[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 6 18:08:07 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 07 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 473989
Prefixes after maximum aggregation: 189922
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 235181
Total ASes present in the Internet Routing Table: 45624
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35427
Origin ASes announcing only one prefix: 16261
Transit ASes present in the Internet Routing Table: 5952
Transit-only ASes present in the Internet Routing Table: 171
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: 1033
Unregistered ASNs in the Routing Table: 289
Number of 32-bit ASNs allocated by the RIRs: 5465
Number of 32-bit ASNs visible in the Routing Table: 4245
Prefixes from 32-bit ASNs in the Routing Table: 13223
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1331
Number of addresses announced to Internet: 2657192828
Equivalent to 158 /8s, 97 /16s and 139 /24s
Percentage of available address space announced: 71.8
Percentage of allocated address space announced: 71.8
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: 165389
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 112564
Total APNIC prefixes after maximum aggregation: 34192
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 114799
Unique aggregates announced from the APNIC address blocks: 47947
APNIC Region origin ASes present in the Internet Routing Table: 4875
APNIC Prefixes per ASN: 23.55
APNIC Region origin ASes announcing only one prefix: 1210
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: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 775
Number of APNIC addresses announced to Internet: 728720576
Equivalent to 43 /8s, 111 /16s and 100 /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: 163081
Total ARIN prefixes after maximum aggregation: 81731
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163820
Unique aggregates announced from the ARIN address blocks: 75763
ARIN Region origin ASes present in the Internet Routing Table: 15926
ARIN Prefixes per ASN: 10.29
ARIN Region origin ASes announcing only one prefix: 6000
ARIN Region transit ASes present in the Internet Routing Table: 1666
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: 41
Number of ARIN addresses announced to Internet: 1073321856
Equivalent to 63 /8s, 249 /16s and 151 /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: 119610
Total RIPE prefixes after maximum aggregation: 61148
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123359
Unique aggregates announced from the RIPE address blocks: 78944
RIPE Region origin ASes present in the Internet Routing Table: 17538
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8285
RIPE Region transit ASes present in the Internet Routing Table: 2830
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: 2506
Number of RIPE addresses announced to Internet: 656022500
Equivalent to 39 /8s, 26 /16s and 27 /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: 53068
Total LACNIC prefixes after maximum aggregation: 10006
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 58322
Unique aggregates announced from the LACNIC address blocks: 27386
LACNIC Region origin ASes present in the Internet Routing Table: 2046
LACNIC Prefixes per ASN: 28.51
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 393
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: 915
Number of LACNIC addresses announced to Internet: 146170648
Equivalent to 8 /8s, 182 /16s and 99 /24s
Percentage of available LACNIC address space announced: 87.1
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: 11711
Total AfriNIC prefixes after maximum aggregation: 2612
AfriNIC Deaggregation factor: 4.48
Prefixes being announced from the AfriNIC address blocks: 12358
Unique aggregates announced from the AfriNIC address blocks: 4091
AfriNIC Region origin ASes present in the Internet Routing Table: 694
AfriNIC Prefixes per ASN: 17.81
AfriNIC Region origin ASes announcing only one prefix: 213
AfriNIC Region transit ASes present in the Internet Routing Table: 144
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: 8
Number of AfriNIC addresses announced to Internet: 48528448
Equivalent to 2 /8s, 228 /16s and 124 /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
4766 2955 11559 952 Korea Telecom (KIX)
17974 2721 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2112 319 110 TPG Internet Pty Ltd
4755 1794 392 190 TATA Communications formerly
9829 1538 1244 47 BSNL National Internet Backbo
9583 1321 102 543 Sify Limited
9498 1218 309 72 BHARTI Airtel Ltd.
7552 1169 1080 13 Vietel Corporation
4808 1143 2119 337 CNCGROUP IP network: China169
24560 1098 382 166 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 3038 3688 53 BellSouth.net Inc.
22773 2296 2939 137 Cox Communications, Inc.
18566 2052 379 178 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
20115 1684 1657 600 Charter Communications
4323 1638 1098 418 Time Warner Telecom
701 1511 11144 782 MCI Communications Services,
30036 1381 311 581 Mediacom Communications Corp
7018 1326 17779 865 AT&T WorldNet Services
6983 1292 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 1926 544 16 OJSC "Vimpelcom"
34984 1368 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1189 450 893 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 897 99 42 TOV "Bank-Inform"
6849 855 363 39 JSC UKRTELECOM,
8551 786 370 41 Bezeq International
6830 755 2326 409 UPC Distribution Services
12479 679 798 53 Uni2 Autonomous System
35228 549 246 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 3422 1829 94 NET Servicos de Comunicao S.A
10620 2687 435 198 Telmex Colombia S.A.
7303 1735 1161 230 Telecom Argentina Stet-France
18881 1708 908 20 Global Village Telecom
8151 1367 2855 422 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 851 93 89 Telconet S.A
6147 793 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 776 434 60 AVANTEL, 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 872 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 414 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
29571 228 21 13 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
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 3422 1829 94 NET Servicos de Comunicao S.A
6389 3038 3688 53 BellSouth.net Inc.
4766 2955 11559 952 Korea Telecom (KIX)
17974 2721 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2687 435 198 Telmex Colombia S.A.
22773 2296 2939 137 Cox Communications, Inc.
7545 2112 319 110 TPG Internet Pty Ltd
18566 2052 379 178 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
8402 1926 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 3038 2985 BellSouth.net Inc.
17974 2721 2633 PT TELEKOMUNIKASI INDONESIA
10620 2687 2489 Telmex Colombia S.A.
22773 2296 2159 Cox Communications, Inc.
4766 2955 2003 Korea Telecom (KIX)
7545 2112 2002 TPG Internet Pty Ltd
1785 2048 1917 PaeTec Communications, Inc.
8402 1926 1910 OJSC "Vimpelcom"
18566 2052 1874 MegaPath Corporation
36998 1854 1849 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 46887 Lightower Fiber Netw
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
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
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
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.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 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
/13:476 /14:932 /15:1635 /16:12838 /17:6785 /18:11330
/19:23161 /20:32947 /21:35652 /22:50197 /23:43974 /24:251235
/25:830 /26:986 /27:452 /28:49 /29:73 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2007 2052 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1700 3038 BellSouth.net Inc.
8402 1632 1926 OJSC "Vimpelcom"
22773 1548 2296 Cox Communications, Inc.
30036 1221 1381 Mediacom Communications Corp
11492 1183 1224 Cable One
1785 1088 2048 PaeTec Communications, Inc.
6983 1034 1292 ITC^Deltacom
22561 964 1239 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:923 2:869 3:3 4:16 5:812 6:21
8:613 12:1878 13:3 14:899 15:11 16:3
17:19 18:19 20:25 23:616 24:1755 27:1700
31:1521 32:45 33:2 34:5 36:96 37:1945
38:918 39:5 40:181 41:3220 42:231 44:14
46:2073 47:10 49:700 50:864 52:12 54:44
55:5 56:4 57:26 58:1147 59:584 60:367
61:1495 62:1249 63:1973 64:4399 65:2333 66:4145
67:2109 68:1096 69:3297 70:909 71:504 72:2018
74:2580 75:324 76:304 77:1216 78:1016 79:670
80:1277 81:1055 82:630 83:753 84:590 85:1253
86:380 87:1039 88:548 89:1564 90:154 91:5716
92:620 93:1612 94:2118 95:1510 96:515 97:349
98:1130 99:41 100:33 101:686 103:3782 105:530
106:143 107:229 108:538 109:2008 110:976 111:1123
112:594 113:804 114:752 115:1045 116:1009 117:831
118:1221 119:1296 120:338 121:763 122:1871 123:1267
124:1386 125:1439 128:636 129:233 130:355 131:663
132:350 133:158 134:307 135:72 136:275 137:269
138:352 139:171 140:198 141:343 142:549 143:406
144:501 145:90 146:553 147:417 148:773 149:367
150:153 151:485 152:415 153:207 154:45 155:516
156:306 157:419 158:285 159:783 160:361 161:457
162:901 163:225 164:628 165:582 166:276 167:637
168:1039 169:124 170:1125 171:185 172:11 173:1626
174:667 175:540 176:1320 177:2480 178:1867 179:315
180:1600 181:886 182:1406 183:479 184:621 185:1102
186:2641 187:1453 188:1958 189:1253 190:7298 192:7085
193:5425 194:4032 195:3358 196:1343 197:1057 198:4758
199:5511 200:6069 201:2525 202:8976 203:8894 204:4537
205:2647 206:2892 207:2793 208:3957 209:3662 210:3080
211:1629 212:2177 213:1983 214:887 215:84 216:5427
217:1711 218:637 219:318 220:1267 221:587 222:332
223:521
End of report
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