[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Tue Nov 26 15:11:18 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 0400 +10GMT Sat 23 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 472996
Prefixes after maximum aggregation: 189628
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234531
Total ASes present in the Internet Routing Table: 41350
Prefixes per ASN: 11.44
Origin-only ASes present in the Internet Routing Table: 35408
Origin ASes announcing only one prefix: 16278
Transit ASes present in the Internet Routing Table: 5942
Transit-only ASes present in the Internet Routing Table: 166
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 103
Max AS path prepend of ASN ( 50404) 101
Prefixes from unregistered ASNs in the Routing Table: 985
Unregistered ASNs in the Routing Table: 282
Number of 32-bit ASNs allocated by the RIRs: 5399
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 13142
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1166
Number of addresses announced to Internet: 2654800220
Equivalent to 158 /8s, 61 /16s and 9 /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: 95.3
Total number of prefixes smaller than registry allocations: 165017
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111990
Total APNIC prefixes after maximum aggregation: 34022
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 114240
Unique aggregates announced from the APNIC address blocks: 47745
APNIC Region origin ASes present in the Internet Routing Table: 4875
APNIC Prefixes per ASN: 23.43
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 835
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: 0
Number of APNIC addresses announced to Internet: 728686528
Equivalent to 43 /8s, 110 /16s and 223 /24s
Percentage of available APNIC address space announced: 85.2
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: 162923
Total ARIN prefixes after maximum aggregation: 81714
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 163759
Unique aggregates announced from the ARIN address blocks: 75912
ARIN Region origin ASes present in the Internet Routing Table: 15939
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1658
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: 0
Number of ARIN addresses announced to Internet: 1073967232
Equivalent to 64 /8s, 3 /16s and 112 /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: 119427
Total RIPE prefixes after maximum aggregation: 61061
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123136
Unique aggregates announced from the RIPE address blocks: 78812
RIPE Region origin ASes present in the Internet Routing Table: 17527
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8293
RIPE Region transit ASes present in the Internet Routing Table: 2826
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 103
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 656226532
Equivalent to 39 /8s, 29 /16s and 56 /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: 53080
Total LACNIC prefixes after maximum aggregation: 10038
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 58307
Unique aggregates announced from the LACNIC address blocks: 27085
LACNIC Region origin ASes present in the Internet Routing Table: 2040
LACNIC Prefixes per ASN: 28.58
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 390
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 143625784
Equivalent to 8 /8s, 143 /16s and 142 /24s
Percentage of available LACNIC address space announced: 85.6
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: 11750
Total AfriNIC prefixes after maximum aggregation: 2600
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12388
Unique aggregates announced from the AfriNIC address blocks: 4039
AfriNIC Region origin ASes present in the Internet Routing Table: 689
AfriNIC Prefixes per ASN: 17.98
AfriNIC Region origin ASes announcing only one prefix: 210
AfriNIC Region transit ASes present in the Internet Routing Table: 139
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: 0
Number of AfriNIC addresses announced to Internet: 48324352
Equivalent to 2 /8s, 225 /16s and 95 /24s
Percentage of available AfriNIC address space announced: 48.0
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 940 Korea Telecom (KIX)
17974 2714 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2111 319 111 TPG Internet Pty Ltd
4755 1792 392 190 TATA Communications formerly
9829 1543 1245 45 BSNL National Internet Backbo
9583 1246 95 509 Sify Limited
9498 1210 309 73 BHARTI Airtel Ltd.
7552 1165 1080 13 Vietel Corporation
4808 1144 2119 337 CNCGROUP IP network: China169
24560 1095 380 166 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 3042 3688 53 BellSouth.net Inc.
22773 2208 2941 141 Cox Communications, Inc.
1785 2058 686 145 PaeTec Communications, Inc.
18566 2055 379 178 MegaPath Corporation
20115 1681 1655 598 Charter Communications
4323 1641 1098 419 Time Warner Telecom
701 1509 11162 784 MCI Communications Services,
30036 1388 313 578 Mediacom Communications Corp
7018 1331 17778 870 AT&T WorldNet Services
6983 1294 756 580 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 1923 544 16 OJSC "Vimpelcom"
34984 1367 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1164 437 871 Akamai Technologies European
31148 1009 45 19 FreeNet ISP
13188 895 99 48 TOV "Bank-Inform"
6849 869 363 39 JSC UKRTELECOM,
8551 787 370 41 Bezeq International
6830 773 2327 425 UPC Distribution Services
12479 679 797 57 Uni2 Autonomous System
35228 548 246 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 3306 1781 123 NET Servicos de Comunicao S.A
10620 2670 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1647 908 20 Global Village Telecom
8151 1358 2850 419 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 92 Telconet S.A
6503 793 434 62 AVANTEL, S.A.
6147 790 373 27 Telefonica Del Peru
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 888 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 411 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
29571 226 17 13 Ci Telecom Autonomous system
15706 221 32 6 Sudatel Internet Exchange Aut
36992 219 501 29 Etisalat MISR
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 3306 1781 123 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
4766 2931 11557 940 Korea Telecom (KIX)
17974 2714 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2670 433 213 Telmex Colombia S.A.
22773 2208 2941 141 Cox Communications, Inc.
7545 2111 319 111 TPG Internet Pty Ltd
1785 2058 686 145 PaeTec Communications, Inc.
18566 2055 379 178 MegaPath Corporation
8402 1923 544 16 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 3042 2989 BellSouth.net Inc.
17974 2714 2626 PT TELEKOMUNIKASI INDONESIA
10620 2670 2457 Telmex Colombia S.A.
22773 2208 2067 Cox Communications, Inc.
7545 2111 2000 TPG Internet Pty Ltd
4766 2931 1991 Korea Telecom (KIX)
1785 2058 1913 PaeTec Communications, Inc.
8402 1923 1907 OJSC "Vimpelcom"
18566 2055 1877 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
23.91.21.0/24 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.
23.91.160.0/22 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 /12:253
/13:474 /14:924 /15:1625 /16:12820 /17:6775 /18:11309
/19:23082 /20:32928 /21:35636 /22:49999 /23:43870 /24:250678
/25:871 /26:993 /27:467 /28:42 /29:69 /30:17
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2055 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1594 1923 OJSC "Vimpelcom"
22773 1463 2208 Cox Communications, Inc.
30036 1232 1388 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1095 2058 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 964 1241 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 2:825 3:3 4:17 5:1027 6:21
8:624 12:1880 13:3 14:900 15:11 16:3
17:18 18:19 20:21 23:585 24:1757 27:1625
31:1506 32:45 33:2 34:5 36:86 37:1936
38:916 39:5 40:182 41:3235 42:290 44:14
46:2034 47:10 49:695 50:861 52:12 54:44
55:5 56:4 57:26 58:1165 59:575 60:368
61:1476 62:1247 63:1987 64:4325 65:2348 66:4160
67:2114 68:1093 69:3301 70:889 71:488 72:2012
74:2577 75:325 76:303 77:1158 78:1073 79:662
80:1272 81:1049 82:648 83:682 84:588 85:1260
86:375 87:1021 88:557 89:1562 90:152 91:5690
92:615 93:1611 94:2075 95:1554 96:515 97:348
98:1041 99:41 100:32 101:653 103:3675 105:527
106:141 107:218 108:536 109:1981 110:979 111:1119
112:597 113:812 114:753 115:1062 116:990 117:822
118:1184 119:1281 120:338 121:754 122:1872 123:1266
124:1397 125:1437 128:674 129:229 130:353 131:665
132:361 133:158 134:303 135:72 136:284 137:250
138:352 139:298 140:201 141:331 142:547 143:400
144:495 145:90 146:532 147:412 148:775 149:361
150:153 151:665 152:412 153:205 154:54 155:500
156:295 157:421 158:284 159:783 160:361 161:458
162:867 163:225 164:622 165:592 166:263 167:634
168:1043 169:125 170:1126 171:185 172:27 173:1591
174:694 175:526 176:1321 177:2472 178:1864 179:297
180:1597 181:859 182:1379 183:468 184:630 185:1057
186:2642 187:1484 188:1875 189:1265 190:7310 192:7078
193:5434 194:4026 195:3366 196:1340 197:1041 198:4766
199:5491 200:6055 201:2524 202:8976 203:8897 204:4546
205:2649 206:2833 207:2837 208:3985 209:3653 210:3047
211:1577 212:2151 213:1998 214:898 215:91 216:5423
217:1694 218:627 219:323 220:1277 221:585 222:328
223:509
End of report
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