[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 1 18:07:05 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 02 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 470880
Prefixes after maximum aggregation: 189231
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 233598
Total ASes present in the Internet Routing Table: 45368
Prefixes per ASN: 10.38
Origin-only ASes present in the Internet Routing Table: 35324
Origin ASes announcing only one prefix: 16267
Transit ASes present in the Internet Routing Table: 5954
Transit-only ASes present in the Internet Routing Table: 161
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: 720
Unregistered ASNs in the Routing Table: 194
Number of 32-bit ASNs allocated by the RIRs: 5284
Number of 32-bit ASNs visible in the Routing Table: 4090
Prefixes from 32-bit ASNs in the Routing Table: 12675
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 889
Number of addresses announced to Internet: 2653744084
Equivalent to 158 /8s, 44 /16s and 235 /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: 95.1
Total number of prefixes smaller than registry allocations: 164648
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111522
Total APNIC prefixes after maximum aggregation: 33881
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113638
Unique aggregates announced from the APNIC address blocks: 47281
APNIC Region origin ASes present in the Internet Routing Table: 4884
APNIC Prefixes per ASN: 23.27
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 836
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: 721
Number of APNIC addresses announced to Internet: 729894080
Equivalent to 43 /8s, 129 /16s and 76 /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: 162649
Total ARIN prefixes after maximum aggregation: 81501
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163562
Unique aggregates announced from the ARIN address blocks: 75922
ARIN Region origin ASes present in the Internet Routing Table: 15916
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6011
ARIN Region transit ASes present in the Internet Routing Table: 1668
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: 32
Number of ARIN addresses announced to Internet: 1073461888
Equivalent to 63 /8s, 251 /16s and 186 /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: 119308
Total RIPE prefixes after maximum aggregation: 61150
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122943
Unique aggregates announced from the RIPE address blocks: 78932
RIPE Region origin ASes present in the Internet Routing Table: 17520
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8296
RIPE Region transit ASes present in the Internet Routing Table: 2844
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2453
Number of RIPE addresses announced to Internet: 656599396
Equivalent to 39 /8s, 34 /16s and 233 /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: 52561
Total LACNIC prefixes after maximum aggregation: 9998
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 57608
Unique aggregates announced from the LACNIC address blocks: 26745
LACNIC Region origin ASes present in the Internet Routing Table: 2032
LACNIC Prefixes per ASN: 28.35
LACNIC Region origin ASes announcing only one prefix: 548
LACNIC Region transit ASes present in the Internet Routing Table: 388
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: 878
Number of LACNIC addresses announced to Internet: 142306864
Equivalent to 8 /8s, 123 /16s and 110 /24s
Percentage of available LACNIC address space announced: 84.8
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: 11584
Total AfriNIC prefixes after maximum aggregation: 2566
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 12240
Unique aggregates announced from the AfriNIC address blocks: 3973
AfriNIC Region origin ASes present in the Internet Routing Table: 672
AfriNIC Prefixes per ASN: 18.21
AfriNIC Region origin ASes announcing only one prefix: 198
AfriNIC Region transit ASes present in the Internet Routing Table: 137
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: 48064000
Equivalent to 2 /8s, 221 /16s and 102 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2937 11558 943 Korea Telecom (KIX)
17974 2711 903 89 PT TELEKOMUNIKASI INDONESIA
7545 2101 319 111 TPG Internet Pty Ltd
4755 1787 391 188 TATA Communications formerly
9829 1539 1242 48 BSNL National Internet Backbo
9498 1210 309 74 BHARTI Airtel Ltd.
9583 1187 90 513 Sify Limited
4808 1158 2128 342 CNCGROUP IP network: China169
7552 1158 1080 13 Vietel Corporation
24560 1092 380 165 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 3056 3688 56 BellSouth.net Inc.
22773 2188 2939 138 Cox Communications, Inc.
18566 2058 379 179 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
20115 1679 1653 610 Charter Communications
4323 1627 1102 420 Time Warner Telecom
701 1507 11145 782 MCI Communications Services,
30036 1382 312 580 Mediacom Communications Corp
7018 1333 17779 869 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 1835 544 17 OJSC "Vimpelcom"
34984 1363 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1113 406 847 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 888 99 49 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
6830 771 2327 423 UPC Distribution Services
8551 759 370 41 Bezeq International
12479 675 798 55 Uni2 Autonomous System
35228 542 246 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 3436 1783 83 NET Servicos de Comunicao S.A
10620 2640 428 242 TVCABLE BOGOTA
7303 1722 1144 233 Telecom Argentina Stet-France
18881 1538 844 20 Global Village Telecom
8151 1348 2840 416 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 846 93 92 Telconet S.A
6147 792 373 27 Telefonica Del Peru
6503 788 434 61 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 1854 112 5 Sudanese Mobile Telephone (ZA
24863 884 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 386 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 259 921 216 The Internet Solution
36992 227 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 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 3436 1783 83 NET Servicos de Comunicao S.A
6389 3056 3688 56 BellSouth.net Inc.
4766 2937 11558 943 Korea Telecom (KIX)
17974 2711 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2640 428 242 TVCABLE BOGOTA
22773 2188 2939 138 Cox Communications, Inc.
7545 2101 319 111 TPG Internet Pty Ltd
18566 2058 379 179 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA
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 3056 3000 BellSouth.net Inc.
17974 2711 2622 PT TELEKOMUNIKASI INDONESIA
10620 2640 2398 TVCABLE BOGOTA
22773 2188 2050 Cox Communications, Inc.
4766 2937 1994 Korea Telecom (KIX)
7545 2101 1990 TPG Internet Pty Ltd
1785 2036 1906 PaeTec Communications, Inc.
18566 2058 1879 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1835 1818 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 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.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 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 40676 Psychz Networks
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 /14:920 /15:1628 /16:12847 /17:6742 /18:11318
/19:22981 /20:32664 /21:35483 /22:50123 /23:43756 /24:249089
/25:832 /26:988 /27:467 /28:50 /29:79 /30:21
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2058 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3056 BellSouth.net Inc.
8402 1533 1835 OJSC "Vimpelcom"
22773 1454 2188 Cox Communications, Inc.
30036 1230 1382 Mediacom Communications Corp
11492 1200 1241 Cable One
1785 1086 2036 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 968 1245 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:878 2:829 3:3 4:17 5:1007 6:21
8:615 12:1893 13:3 14:891 15:11 16:3
17:18 18:19 20:21 23:510 24:1741 27:1608
31:1488 32:45 33:2 34:5 36:81 37:1886
38:921 39:4 40:181 41:3186 42:246 44:14
46:2029 47:10 49:682 50:844 52:12 54:42
55:4 56:2 57:26 58:1154 59:576 60:373
61:1468 62:1209 63:1985 64:4371 65:2345 66:4137
67:2100 68:1103 69:3299 70:873 71:489 72:2036
74:2561 75:328 76:306 77:1166 78:1069 79:644
80:1294 81:1017 82:673 83:632 84:587 85:1252
86:420 87:1008 88:562 89:1598 90:150 91:5647
92:611 93:1599 94:2015 95:1593 96:509 97:342
98:1045 99:42 100:31 101:621 103:3520 105:528
106:142 107:214 108:535 109:1914 110:958 111:1103
112:595 113:810 114:752 115:1057 116:998 117:836
118:1160 119:1286 120:365 121:751 122:1874 123:1255
124:1353 125:1432 128:649 129:229 130:333 131:666
132:359 133:157 134:553 135:67 136:279 137:269
138:350 139:177 140:193 141:336 142:540 143:398
144:496 145:87 146:513 147:397 148:771 149:367
150:158 151:587 152:413 153:205 154:51 155:491
156:285 157:424 158:282 159:771 160:359 161:459
162:817 163:225 164:630 165:583 166:258 167:632
168:1047 169:127 170:1131 171:182 172:25 173:1605
174:687 175:517 176:1275 177:2359 178:1939 179:195
180:1587 181:791 182:1345 183:455 184:664 185:987
186:2643 187:1481 188:1845 189:1267 190:7238 192:7088
193:5413 194:4035 195:3350 196:1322 197:1014 198:4750
199:5480 200:6093 201:2532 202:8963 203:8921 204:4527
205:2641 206:2843 207:2831 208:4006 209:3618 210:3010
211:1569 212:2123 213:1983 214:897 215:92 216:5389
217:1685 218:626 219:321 220:1280 221:567 222:327
223:509
End of report
More information about the sanog
mailing list