* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 05 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 468739
Prefixes after maximum aggregation: 188444
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234605
Total ASes present in the Internet Routing Table: 45467
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35418
Origin ASes announcing only one prefix: 16281
Transit ASes present in the Internet Routing Table: 5810
Transit-only ASes present in the Internet Routing Table: 139
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: 1021
Unregistered ASNs in the Routing Table: 285
Number of 32-bit ASNs allocated by the RIRs: 5441
Number of 32-bit ASNs visible in the Routing Table: 4239
Prefixes from 32-bit ASNs in the Routing Table: 13185
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: 1308
Number of addresses announced to Internet: 2678105088
Equivalent to 159 /8s, 160 /16s and 164 /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: 163018
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108285
Total APNIC prefixes after maximum aggregation: 33418
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 111164
Unique aggregates announced from the APNIC address blocks: 47646
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.96
APNIC Region origin ASes announcing only one prefix: 1230
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: 768
Number of APNIC addresses announced to Internet: 727375360
Equivalent to 43 /8s, 90 /16s and 222 /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: 161833
Total ARIN prefixes after maximum aggregation: 81317
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162639
Unique aggregates announced from the ARIN address blocks: 75612
ARIN Region origin ASes present in the Internet Routing Table: 15881
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6008
ARIN Region transit ASes present in the Internet Routing Table: 1588
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: 41
Number of ARIN addresses announced to Internet: 1073320192
Equivalent to 63 /8s, 249 /16s and 145 /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: 119719
Total RIPE prefixes after maximum aggregation: 61075
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123484
Unique aggregates announced from the RIPE address blocks: 78928
RIPE Region origin ASes present in the Internet Routing Table: 17524
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8287
RIPE Region transit ASes present in the Internet Routing Table: 2806
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: 2511
Number of RIPE addresses announced to Internet: 656276224
Equivalent to 39 /8s, 29 /16s and 251 /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: 52438
Total LACNIC prefixes after maximum aggregation: 9848
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 57646
Unique aggregates announced from the LACNIC address blocks: 27356
LACNIC Region origin ASes present in the Internet Routing Table: 2036
LACNIC Prefixes per ASN: 28.31
LACNIC Region origin ASes announcing only one prefix: 555
LACNIC Region transit ASes present in the Internet Routing Table: 378
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: 912
Number of LACNIC addresses announced to Internet: 145951232
Equivalent to 8 /8s, 179 /16s and 10 /24s
Percentage of available LACNIC address space announced: 87.0
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: 11873
Total AfriNIC prefixes after maximum aggregation: 2568
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12497
Unique aggregates announced from the AfriNIC address blocks: 4020
AfriNIC Region origin ASes present in the Internet Routing Table: 683
AfriNIC Prefixes per ASN: 18.30
AfriNIC Region origin ASes announcing only one prefix: 201
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: 7
Number of AfriNIC addresses announced to Internet: 48507648
Equivalent to 2 /8s, 228 /16s and 43 /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 2720 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
4755 1809 401 186 TATA Communications formerly
9829 1542 1245 45 BSNL National Internet Backbo
9583 1239 95 508 Sify Limited
9498 1219 309 74 BHARTI Airtel Ltd.
7552 1166 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 3041 3688 53 BellSouth.net Inc.
22773 2211 2939 138 Cox Communications, Inc.
18566 2050 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
20115 1683 1654 601 Charter Communications
4323 1651 1114 421 Time Warner Telecom
701 1511 11144 784 MCI Communications Services,
30036 1381 311 581 Mediacom Communications Corp
7018 1342 17798 881 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 1860 544 16 OJSC "Vimpelcom"
34984 1368 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1197 453 897 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 895 99 48 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 797 370 41 Bezeq International
6830 773 2327 425 UPC Distribution Services
12479 677 798 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 3379 1829 94 NET Servicos de Comunicao S.A
10620 2674 433 214 Telmex Colombia S.A.
7303 1733 1153 229 Telecom Argentina Stet-France
18881 1708 908 20 Global Village Telecom
8151 1354 2852 419 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 822 94 91 Telconet S.A
6147 794 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 773 434 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 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 247 921 209 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 3379 1829 94 NET Servicos de Comunicao S.A
6389 3041 3688 53 BellSouth.net Inc.
17974 2720 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2674 433 214 Telmex Colombia S.A.
22773 2211 2939 138 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
18566 2050 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
8402 1860 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 3041 2988 BellSouth.net Inc.
17974 2720 2632 PT TELEKOMUNIKASI INDONESIA
10620 2674 2460 Telmex Colombia S.A.
22773 2211 2073 Cox Communications, Inc.
7545 2084 1973 TPG Internet Pty Ltd
1785 2048 1917 PaeTec Communications, Inc.
18566 2050 1873 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1860 1844 OJSC "Vimpelcom"
18881 1708 1688 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
/13:473 /14:935 /15:1636 /16:12816 /17:6803 /18:11287
/19:23127 /20:33028 /21:35517 /22:49671 /23:43580 /24:248787
/25:8 /26:11 /27:12 /28:125 /29:219 /30:156
/31:0 /32:142
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 3041 BellSouth.net Inc.
8402 1573 1860 OJSC "Vimpelcom"
22773 1464 2211 Cox Communications, Inc.
30036 1221 1381 Mediacom Communications Corp
11492 1185 1223 Cable One
1785 1088 2048 PaeTec Communications, Inc.
6983 1035 1293 ITC^Deltacom
22561 962 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:916 2:879 3:3 4:16 5:804 6:21
8:609 12:1880 13:3 14:876 15:11 16:3
17:19 18:19 20:25 23:615 24:1764 27:1702
31:1531 32:40 33:2 34:5 36:95 37:1941
38:912 39:5 40:181 41:3343 42:228 44:14
46:2060 47:11 49:699 50:861 52:12 54:44
55:6 56:4 57:29 58:1066 59:580 60:365
61:1465 62:1247 63:1974 64:4395 65:2345 66:4146
67:2104 68:1086 69:3289 70:898 71:503 72:2013
74:2588 75:327 76:304 77:1188 78:999 79:657
80:1285 81:1051 82:637 83:696 84:584 85:1253
86:382 87:1039 88:548 89:1565 90:155 91:5700
92:613 93:1610 94:2112 95:1510 96:514 97:349
98:1100 99:41 100:30 101:407 103:3742 105:531
106:143 107:223 108:519 109:2007 110:972 111:1117
112:579 113:800 114:733 115:1002 116:996 117:807
118:1213 119:1276 120:331 121:738 122:1785 123:1266
124:1351 125:1437 128:595 129:224 130:337 131:660
132:347 133:158 134:292 135:72 136:275 137:265
138:351 139:168 140:172 141:324 142:535 143:407
144:496 145:90 146:541 147:424 148:727 149:367
150:152 151:485 152:413 153:207 154:45 155:510
156:307 157:368 158:285 159:695 160:361 161:453
162:902 163:205 164:621 165:577 166:275 167:636
168:1037 169:124 170:1109 171:185 172:11 173:1626
174:671 175:522 176:1323 177:2473 178:1875 179:314
180:1596 181:884 182:1404 183:474 184:627 185:1093
186:2643 187:1425 188:1943 189:1243 190:7241 192:7016
193:5416 194:4038 195:3365 196:1346 197:1060 198:4693
199:5466 200:6050 201:2488 202:8779 203:8816 204:4470
205:2635 206:2802 207:2728 208:3947 209:3642 210:2946
211:1583 212:2172 213:1990 214:883 215:84 216:5395
217:1709 218:626 219:311 220:1262 221:587 222:328
223:511
End of report
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