* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 03 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 469334
Prefixes after maximum aggregation: 188345
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234398
Total ASes present in the Internet Routing Table: 45468
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 35416
Origin ASes announcing only one prefix: 16308
Transit ASes present in the Internet Routing Table: 5826
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: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1001
Unregistered ASNs in the Routing Table: 281
Number of 32-bit ASNs allocated by the RIRs: 5435
Number of 32-bit ASNs visible in the Routing Table: 4226
Prefixes from 32-bit ASNs in the Routing Table: 13316
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: 1265
Number of addresses announced to Internet: 2677466368
Equivalent to 159 /8s, 150 /16s and 229 /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: 163458
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108342
Total APNIC prefixes after maximum aggregation: 33369
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111300
Unique aggregates announced from the APNIC address blocks: 47575
APNIC Region origin ASes present in the Internet Routing Table: 4841
APNIC Prefixes per ASN: 22.99
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 828
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 769
Number of APNIC addresses announced to Internet: 727075840
Equivalent to 43 /8s, 86 /16s and 76 /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: 162334
Total ARIN prefixes after maximum aggregation: 81311
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163202
Unique aggregates announced from the ARIN address blocks: 75793
ARIN Region origin ASes present in the Internet Routing Table: 15880
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6013
ARIN Region transit ASes present in the Internet Routing Table: 1591
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 40
Number of ARIN addresses announced to Internet: 1073591552
Equivalent to 63 /8s, 253 /16s and 181 /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: 119651
Total RIPE prefixes after maximum aggregation: 61027
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123401
Unique aggregates announced from the RIPE address blocks: 78719
RIPE Region origin ASes present in the Internet Routing Table: 17536
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8303
RIPE Region transit ASes present in the Internet Routing Table: 2811
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: 2507
Number of RIPE addresses announced to Internet: 656149248
Equivalent to 39 /8s, 28 /16s and 11 /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: 52459
Total LACNIC prefixes after maximum aggregation: 9846
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 57673
Unique aggregates announced from the LACNIC address blocks: 27277
LACNIC Region origin ASes present in the Internet Routing Table: 2039
LACNIC Prefixes per ASN: 28.28
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 383
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 903
Number of LACNIC addresses announced to Internet: 145650944
Equivalent to 8 /8s, 174 /16s and 117 /24s
Percentage of available LACNIC address space announced: 86.8
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: 11844
Total AfriNIC prefixes after maximum aggregation: 2577
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12492
Unique aggregates announced from the AfriNIC address blocks: 4012
AfriNIC Region origin ASes present in the Internet Routing Table: 684
AfriNIC Prefixes per ASN: 18.26
AfriNIC Region origin ASes announcing only one prefix: 204
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 7
Number of AfriNIC addresses announced to Internet: 48523520
Equivalent to 2 /8s, 228 /16s and 105 /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 2709 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2083 319 110 TPG Internet Pty Ltd
4755 1808 401 186 TATA Communications formerly
9829 1541 1244 47 BSNL National Internet Backbo
9583 1251 95 510 Sify Limited
9498 1219 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1102 382 166 Bharti Airtel Ltd., Telemedia
4808 1061 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 3042 3688 53 BellSouth.net Inc.
22773 2211 2939 138 Cox Communications, Inc.
18566 2050 379 177 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
20115 1684 1653 600 Charter Communications
4323 1653 1114 422 Time Warner Telecom
701 1506 11144 782 MCI Communications Services,
30036 1392 313 578 Mediacom Communications Corp
7018 1342 17798 882 AT&T WorldNet Services
6983 1293 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 1884 544 16 OJSC "Vimpelcom"
34984 1366 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1191 451 897 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 895 99 48 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 799 370 41 Bezeq International
6830 773 2327 425 UPC Distribution Services
12479 676 798 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 3412 1807 96 NET Servicos de Comunicao S.A
10620 2673 433 213 Telmex Colombia S.A.
7303 1730 1151 233 Telecom Argentina Stet-France
18881 1706 908 20 Global Village Telecom
8151 1350 2850 416 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 822 94 91 Telconet S.A
6147 789 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 771 434 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 871 338 26 LINKdotNET AS number
6713 551 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 251 921 209 The Internet Solution
29571 229 21 15 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 219 32 6 Sudatel Internet Exchange Aut
37054 212 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 3412 1807 96 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2709 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2673 433 213 Telmex Colombia S.A.
22773 2211 2939 138 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2083 319 110 TPG Internet Pty Ltd
18566 2050 379 177 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
8402 1884 544 16 OJSC "Vimpelcom"
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 3042 2989 BellSouth.net Inc.
17974 2709 2621 PT TELEKOMUNIKASI INDONESIA
10620 2673 2460 Telmex Colombia S.A.
22773 2211 2073 Cox Communications, Inc.
7545 2083 1973 TPG Internet Pty Ltd
1785 2044 1912 PaeTec Communications, Inc.
18566 2050 1873 MegaPath Corporation
8402 1884 1868 OJSC "Vimpelcom"
36998 1854 1849 Sudanese Mobile Telephone (ZA
18881 1706 1686 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 /15:1640 /16:12828 /17:6807 /18:11293
/19:23155 /20:33004 /21:35480 /22:49671 /23:43749 /24:249221
/25:8 /26:11 /27:12 /28:126 /29:218 /30:156
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2005 2050 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1574 1884 OJSC "Vimpelcom"
22773 1464 2211 Cox Communications, Inc.
30036 1232 1392 Mediacom Communications Corp
11492 1180 1218 Cable One
1785 1088 2044 PaeTec Communications, Inc.
6983 1035 1293 ITC^Deltacom
22561 961 1237 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:907 2:898 3:3 4:16 5:807 6:21
8:605 12:1875 13:3 14:879 15:11 16:3
17:18 18:19 20:25 23:610 24:1755 27:1691
31:1530 32:40 33:2 34:5 36:95 37:1940
38:911 39:5 40:184 41:3342 42:321 44:14
46:2056 47:11 49:695 50:852 52:12 54:44
55:4 56:4 57:29 58:1093 59:580 60:365
61:1461 62:1241 63:1974 64:4394 65:2354 66:4245
67:2097 68:1113 69:3294 70:949 71:498 72:2022
74:2631 75:384 76:304 77:1187 78:1031 79:665
80:1276 81:1054 82:637 83:692 84:583 85:1251
86:382 87:1038 88:548 89:1556 90:155 91:5676
92:612 93:1610 94:2077 95:1513 96:515 97:348
98:1061 99:41 100:30 101:403 103:3707 105:530
106:143 107:217 108:519 109:2003 110:971 111:1122
112:581 113:799 114:745 115:1016 116:987 117:804
118:1213 119:1276 120:333 121:738 122:1785 123:1275
124:1375 125:1433 128:618 129:222 130:336 131:662
132:339 133:158 134:293 135:72 136:275 137:246
138:351 139:168 140:172 141:323 142:536 143:402
144:497 145:90 146:541 147:425 148:727 149:368
150:151 151:600 152:413 153:207 154:43 155:508
156:307 157:369 158:283 159:695 160:359 161:452
162:891 163:206 164:621 165:581 166:270 167:637
168:1034 169:124 170:1106 171:185 172:11 173:1662
174:719 175:519 176:1321 177:2500 178:1877 179:292
180:1599 181:880 182:1403 183:475 184:634 185:1086
186:2656 187:1438 188:1854 189:1242 190:7236 192:7021
193:5437 194:4034 195:3364 196:1332 197:1061 198:4687
199:5468 200:6036 201:2488 202:8824 203:8793 204:4465
205:2633 206:2794 207:2747 208:3955 209:3656 210:2937
211:1572 212:2163 213:1995 214:883 215:83 216:5422
217:1713 218:625 219:316 220:1272 221:587 222:328
223:509
End of report
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