[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 15 18:10:43 UTC 2013
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 16 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 472903
Prefixes after maximum aggregation: 189382
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 234611
Total ASes present in the Internet Routing Table: 45459
Prefixes per ASN: 10.40
Origin-only ASes present in the Internet Routing Table: 35351
Origin ASes announcing only one prefix: 16281
Transit ASes present in the Internet Routing Table: 5951
Transit-only ASes present in the Internet Routing Table: 164
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 2046
Unregistered ASNs in the Routing Table: 428
Number of 32-bit ASNs allocated by the RIRs: 5358
Number of 32-bit ASNs visible in the Routing Table: 4157
Prefixes from 32-bit ASNs in the Routing Table: 13071
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1082
Number of addresses announced to Internet: 2655478552
Equivalent to 158 /8s, 71 /16s and 99 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.2
Total number of prefixes smaller than registry allocations: 165126
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111822
Total APNIC prefixes after maximum aggregation: 33900
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 114037
Unique aggregates announced from the APNIC address blocks: 47694
APNIC Region origin ASes present in the Internet Routing Table: 4878
APNIC Prefixes per ASN: 23.38
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 833
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 742
Number of APNIC addresses announced to Internet: 730096320
Equivalent to 43 /8s, 132 /16s and 98 /24s
Percentage of available APNIC address space announced: 85.3
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: 163112
Total ARIN prefixes after maximum aggregation: 81716
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163887
Unique aggregates announced from the ARIN address blocks: 76079
ARIN Region origin ASes present in the Internet Routing Table: 15916
ARIN Prefixes per ASN: 10.30
ARIN Region origin ASes announcing only one prefix: 6004
ARIN Region transit ASes present in the Internet Routing Table: 1662
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 35
Number of ARIN addresses announced to Internet: 1073593728
Equivalent to 63 /8s, 253 /16s and 189 /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: 119356
Total RIPE prefixes after maximum aggregation: 61017
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123088
Unique aggregates announced from the RIPE address blocks: 78871
RIPE Region origin ASes present in the Internet Routing Table: 17517
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8304
RIPE Region transit ASes present in the Internet Routing Table: 2836
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2480
Number of RIPE addresses announced to Internet: 656752868
Equivalent to 39 /8s, 37 /16s and 64 /24s
Percentage of available RIPE address space announced: 95.5
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: 53151
Total LACNIC prefixes after maximum aggregation: 9998
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 58393
Unique aggregates announced from the LACNIC address blocks: 27055
LACNIC Region origin ASes present in the Internet Routing Table: 2040
LACNIC Prefixes per ASN: 28.62
LACNIC Region origin ASes announcing only one prefix: 551
LACNIC Region transit ASes present in the Internet Routing Table: 396
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 894
Number of LACNIC addresses announced to Internet: 143157748
Equivalent to 8 /8s, 136 /16s and 105 /24s
Percentage of available LACNIC address space announced: 85.3
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: 11783
Total AfriNIC prefixes after maximum aggregation: 2598
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12416
Unique aggregates announced from the AfriNIC address blocks: 4043
AfriNIC Region origin ASes present in the Internet Routing Table: 682
AfriNIC Prefixes per ASN: 18.21
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 138
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 48082176
Equivalent to 2 /8s, 221 /16s and 173 /24s
Percentage of available AfriNIC address space announced: 47.8
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
4766 2931 11557 943 Korea Telecom (KIX)
17974 2713 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2108 319 110 TPG Internet Pty Ltd
4755 1789 392 190 TATA Communications formerly
9829 1543 1245 45 BSNL National Internet Backbo
9583 1242 94 508 Sify Limited
9498 1215 309 74 BHARTI Airtel Ltd.
7552 1165 1080 13 Vietel Corporation
4808 1146 2124 339 CNCGROUP IP network: China169
24560 1096 380 163 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3051 3688 55 BellSouth.net Inc.
22773 2198 2939 138 Cox Communications, Inc.
18566 2057 379 178 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
20115 1682 1654 607 Charter Communications
4323 1636 1098 417 Time Warner Telecom
701 1507 11146 783 MCI Communications Services,
30036 1382 311 583 Mediacom Communications Corp
7018 1332 17778 871 AT&T WorldNet Services
6983 1293 755 578 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1959 544 17 OJSC "Vimpelcom"
34984 1363 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1125 417 854 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 895 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 787 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 680 798 55 Uni2 Autonomous System
35228 547 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3423 1793 87 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1621 908 20 Global Village Telecom
8151 1362 2853 414 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 846 93 90 Telconet S.A
6147 813 373 27 Telefonica Del Peru
6503 793 434 62 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 887 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 418 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 229 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3423 1793 87 NET Servicos de Comunicao S.A
6389 3051 3688 55 BellSouth.net Inc.
4766 2931 11557 943 Korea Telecom (KIX)
17974 2713 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2198 2939 138 Cox Communications, Inc.
7545 2108 319 110 TPG Internet Pty Ltd
18566 2057 379 178 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
8402 1959 544 17 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3051 2996 BellSouth.net Inc.
17974 2713 2625 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2198 2060 Cox Communications, Inc.
7545 2108 1998 TPG Internet Pty Ltd
4766 2931 1988 Korea Telecom (KIX)
8402 1959 1942 OJSC "Vimpelcom"
1785 2039 1909 PaeTec Communications, Inc.
18566 2057 1879 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
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
65160 PRIVATE 12.1.58.0/24 17361 Sungard Trading Syst
65160 PRIVATE 12.1.59.0/24 17361 Sungard Trading Syst
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/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.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/current/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 /8:16 /9:11 /10:31 /11:92 /12:254
/13:474 /14:922 /15:1628 /16:12833 /17:6760 /18:11334
/19:23102 /20:32903 /21:35605 /22:50000 /23:43850 /24:250577
/25:875 /26:997 /27:472 /28:51 /29:81 /30:21
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2011 2057 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1705 3051 BellSouth.net Inc.
8402 1622 1959 OJSC "Vimpelcom"
22773 1457 2198 Cox Communications, Inc.
30036 1228 1382 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1086 2039 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 965 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:899 2:842 3:3 4:17 5:1025 6:21
8:620 12:1883 13:3 14:891 15:11 16:3
17:17 18:19 20:21 23:560 24:1746 27:1643
31:1445 32:44 33:2 34:5 36:86 37:1923
38:919 39:5 40:182 41:3265 42:274 44:14
46:2032 47:10 49:689 50:846 52:12 54:43
55:7 56:4 57:26 58:1166 59:574 60:378
61:1468 62:1242 63:1979 64:4330 65:2344 66:4148
67:2118 68:1109 69:3299 70:875 71:489 72:2043
74:2563 75:326 76:307 77:1156 78:1077 79:673
80:1300 81:1039 82:646 83:660 84:591 85:1257
86:383 87:1027 88:557 89:1557 90:150 91:5657
92:622 93:1610 94:2066 95:1631 96:512 97:350
98:1039 99:41 100:32 101:643 103:3616 105:527
106:140 107:217 108:536 109:1948 110:972 111:1114
112:595 113:808 114:748 115:1052 116:1013 117:823
118:1179 119:1279 120:336 121:751 122:1859 123:1265
124:1398 125:1429 128:680 129:229 130:332 131:660
132:365 133:158 134:558 135:72 136:283 137:249
138:351 139:176 140:198 141:331 142:545 143:416
144:502 145:90 146:530 147:409 148:782 149:368
150:139 151:653 152:411 153:205 154:53 155:497
156:294 157:421 158:280 159:782 160:361 161:458
162:857 163:223 164:636 165:588 166:260 167:634
168:1044 169:125 170:1119 171:185 172:27 173:1589
174:696 175:526 176:1309 177:2476 178:1975 179:302
180:1591 181:865 182:1376 183:466 184:658 185:1024
186:2610 187:1467 188:1877 189:1265 190:7307 192:7055
193:5426 194:4037 195:3363 196:1342 197:1039 198:4760
199:5489 200:6070 201:2521 202:8982 203:8884 204:4534
205:2651 206:2837 207:2830 208:4002 209:3653 210:3038
211:1568 212:2159 213:1976 214:906 215:91 216:5421
217:1693 218:627 219:323 220:1278 221:578 222:326
223:507
End of report
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