* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 07 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 468916
Prefixes after maximum aggregation: 188540
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234858
Total ASes present in the Internet Routing Table: 45497
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35419
Origin ASes announcing only one prefix: 16293
Transit ASes present in the Internet Routing Table: 5821
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 1056
Unregistered ASNs in the Routing Table: 288
Number of 32-bit ASNs allocated by the RIRs: 5465
Number of 32-bit ASNs visible in the Routing Table: 4257
Prefixes from 32-bit ASNs in the Routing Table: 13223
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1349
Number of addresses announced to Internet: 2677841408
Equivalent to 159 /8s, 156 /16s and 158 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 163116
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108342
Total APNIC prefixes after maximum aggregation: 33470
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 111257
Unique aggregates announced from the APNIC address blocks: 47710
APNIC Region origin ASes present in the Internet Routing Table: 4839
APNIC Prefixes per ASN: 22.99
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 823
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 778
Number of APNIC addresses announced to Internet: 727459072
Equivalent to 43 /8s, 92 /16s and 37 /24s
Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 161711
Total ARIN prefixes after maximum aggregation: 81285
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162506
Unique aggregates announced from the ARIN address blocks: 75666
ARIN Region origin ASes present in the Internet Routing Table: 15874
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6009
ARIN Region transit ASes present in the Internet Routing Table: 1592
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 42
Number of ARIN addresses announced to Internet: 1072948736
Equivalent to 63 /8s, 243 /16s and 230 /24s
Percentage of available ARIN address space announced: 56.8
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 119757
Total RIPE prefixes after maximum aggregation: 61133
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123509
Unique aggregates announced from the RIPE address blocks: 78968
RIPE Region origin ASes present in the Internet Routing Table: 17533
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8295
RIPE Region transit ASes present in the Internet Routing Table: 2810
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2512
Number of RIPE addresses announced to Internet: 656036608
Equivalent to 39 /8s, 26 /16s and 83 /24s
Percentage of available RIPE address space announced: 95.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 196608-200191
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 52568
Total LACNIC prefixes after maximum aggregation: 9836
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 57783
Unique aggregates announced from the LACNIC address blocks: 27385
LACNIC Region origin ASes present in the Internet Routing Table: 2037
LACNIC Prefixes per ASN: 28.37
LACNIC Region origin ASes announcing only one prefix: 558
LACNIC Region transit ASes present in the Internet Routing Table: 382
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 917
Number of LACNIC addresses announced to Internet: 146150656
Equivalent to 8 /8s, 182 /16s and 21 /24s
Percentage of available LACNIC address space announced: 87.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 11874
Total AfriNIC prefixes after maximum aggregation: 2586
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12511
Unique aggregates announced from the AfriNIC address blocks: 4058
AfriNIC Region origin ASes present in the Internet Routing Table: 690
AfriNIC Prefixes per ASN: 18.13
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 140
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 48527360
Equivalent to 2 /8s, 228 /16s and 120 /24s
Percentage of available AfriNIC address space announced: 48.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17974 2704 902 92 PT TELEKOMUNIKASI INDONESIA
4766 2162 11551 653 Korea Telecom (KIX)
7545 2095 319 109 TPG Internet Pty Ltd
4755 1809 401 186 TATA Communications formerly
9829 1530 1244 47 BSNL National Internet Backbo
9583 1343 107 560 Sify Limited
9498 1220 309 73 BHARTI Airtel Ltd.
7552 1167 1080 13 Vietel Corporation
24560 1098 382 166 Bharti Airtel Ltd., Telemedia
4808 1058 2014 310 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3038 3688 53 BellSouth.net Inc.
22773 2298 2939 138 Cox Communications, Inc.
18566 2049 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
20115 1679 1655 596 Charter Communications
4323 1648 1114 420 Time Warner Telecom
701 1511 11144 784 MCI Communications Services,
30036 1381 311 581 Mediacom Communications Corp
7018 1333 17797 875 AT&T WorldNet Services
6983 1292 755 578 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1843 544 16 OJSC "Vimpelcom"
34984 1369 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1200 455 900 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 870 99 50 TOV "Bank-Inform"
6849 855 363 39 JSC UKRTELECOM,
8551 796 370 41 Bezeq International
6830 772 2327 425 UPC Distribution Services
12479 679 798 53 Uni2 Autonomous System
9116 554 326 35 Goldenlines main autonomous s
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3421 1829 94 NET Servicos de Comunicao S.A
10620 2693 436 200 Telmex Colombia S.A.
7303 1735 1161 230 Telecom Argentina Stet-France
18881 1709 908 20 Global Village Telecom
8151 1355 2852 418 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 823 94 90 Telconet S.A
6147 793 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 765 434 61 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 872 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 414 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
29571 228 21 13 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 219 32 6 Sudatel Internet Exchange Aut
37054 213 11 5 Data Telecom Service
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3421 1829 94 NET Servicos de Comunicao S.A
6389 3038 3688 53 BellSouth.net Inc.
17974 2704 902 92 PT TELEKOMUNIKASI INDONESIA
10620 2693 436 200 Telmex Colombia S.A.
22773 2298 2939 138 Cox Communications, Inc.
4766 2162 11551 653 Korea Telecom (KIX)
7545 2095 319 109 TPG Internet Pty Ltd
18566 2049 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3038 2985 BellSouth.net Inc.
17974 2704 2612 PT TELEKOMUNIKASI INDONESIA
10620 2693 2493 Telmex Colombia S.A.
22773 2298 2160 Cox Communications, Inc.
7545 2095 1986 TPG Internet Pty Ltd
1785 2048 1917 PaeTec Communications, Inc.
18566 2049 1872 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1843 1827 OJSC "Vimpelcom"
18881 1709 1689 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 IANA Private Address Space
100.64.0.0/10 65333 IANA Private Address Space
169.254.0.0/16 65333 IANA Private Address Space
172.16.0.0/12 65333 IANA Private Address Space
192.0.0.0/24 65333 IANA Private Address Space
192.0.2.0/24 65333 IANA Private Address Space
192.168.0.0/16 0 *
198.18.0.0/15 65333 IANA Private Address Space
198.51.100.0/24 65333 IANA Private Address Space
203.0.113.0/24 65333 IANA Private Address Space
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:11 /10:32 /11:92 /12:254
/13:474 /14:934 /15:1637 /16:12811 /17:6800 /18:11276
/19:23135 /20:32984 /21:35508 /22:49703 /23:43590 /24:248985
/25:8 /26:11 /27:12 /28:124 /29:219 /30:159
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2004 2049 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1700 3038 BellSouth.net Inc.
8402 1554 1843 OJSC "Vimpelcom"
22773 1550 2298 Cox Communications, Inc.
30036 1221 1381 Mediacom Communications Corp
11492 1183 1224 Cable One
1785 1088 2048 PaeTec Communications, Inc.
6983 1034 1292 ITC^Deltacom
22561 964 1239 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:919 2:839 3:3 4:15 5:807 6:21
8:608 12:1876 13:3 14:876 15:11 16:3
17:19 18:19 20:25 23:615 24:1754 27:1699
31:1530 32:40 33:2 34:5 36:96 37:1923
38:913 39:5 40:181 41:3313 42:227 44:14
46:2064 47:11 49:698 50:863 52:12 54:44
55:5 56:4 57:29 58:1066 59:582 60:365
61:1467 62:1251 63:1965 64:4389 65:2327 66:4125
67:2108 68:1094 69:3278 70:909 71:503 72:2020
74:2579 75:324 76:304 77:1184 78:1001 79:667
80:1283 81:1054 82:637 83:753 84:583 85:1238
86:382 87:1036 88:549 89:1567 90:154 91:5716
92:620 93:1613 94:2115 95:1503 96:515 97:349
98:1129 99:41 100:32 101:438 103:3763 105:530
106:143 107:229 108:520 109:2003 110:970 111:1120
112:579 113:800 114:732 115:1002 116:994 117:801
118:1218 119:1276 120:331 121:740 122:1782 123:1262
124:1347 125:1434 128:597 129:223 130:338 131:654
132:344 133:158 134:294 135:72 136:274 137:265
138:352 139:168 140:170 141:330 142:536 143:402
144:497 145:90 146:544 147:424 148:724 149:368
150:152 151:486 152:415 153:207 154:46 155:515
156:303 157:368 158:284 159:687 160:361 161:450
162:902 163:204 164:624 165:576 166:276 167:637
168:1037 169:123 170:1124 171:185 172:11 173:1624
174:664 175:522 176:1295 177:2497 178:1872 179:314
180:1594 181:886 182:1405 183:476 184:621 185:1102
186:2653 187:1442 188:1949 189:1255 190:7274 192:7001
193:5428 194:4035 195:3360 196:1349 197:1092 198:4696
199:5463 200:6045 201:2523 202:8792 203:8819 204:4465
205:2624 206:2801 207:2727 208:3952 209:3649 210:2940
211:1603 212:2198 213:1994 214:881 215:84 216:5400
217:1714 218:627 219:309 220:1263 221:587 222:328
223:512
End of report
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