Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 25 18:07:08 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 26 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 470253
Prefixes after maximum aggregation: 189267
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233307
Total ASes present in the Internet Routing Table: 41263
Prefixes per ASN: 11.40
Origin-only ASes present in the Internet Routing Table: 35299
Origin ASes announcing only one prefix: 16281
Transit ASes present in the Internet Routing Table: 5957
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: 713
Unregistered ASNs in the Routing Table: 192
Number of 32-bit ASNs allocated by the RIRs: 5249
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12489
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 847
Number of addresses announced to Internet: 2652267476
Equivalent to 158 /8s, 22 /16s and 99 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
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: 164267
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111549
Total APNIC prefixes after maximum aggregation: 33829
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 113639
Unique aggregates announced from the APNIC address blocks: 46970
APNIC Region origin ASes present in the Internet Routing Table: 4880
APNIC Prefixes per ASN: 23.29
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 839
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: 1
Number of APNIC addresses announced to Internet: 729582016
Equivalent to 43 /8s, 124 /16s and 137 /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: 162893
Total ARIN prefixes after maximum aggregation: 81514
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163685
Unique aggregates announced from the ARIN address blocks: 75962
ARIN Region origin ASes present in the Internet Routing Table: 15905
ARIN Prefixes per ASN: 10.29
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1670
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: 2
Number of ARIN addresses announced to Internet: 1073475200
Equivalent to 63 /8s, 251 /16s and 238 /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: 118701
Total RIPE prefixes after maximum aggregation: 61311
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122310
Unique aggregates announced from the RIPE address blocks: 78965
RIPE Region origin ASes present in the Internet Routing Table: 17512
RIPE Prefixes per ASN: 6.98
RIPE Region origin ASes announcing only one prefix: 8301
RIPE Region transit ASes present in the Internet Routing Table: 2841
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: 1
Number of RIPE addresses announced to Internet: 656716388
Equivalent to 39 /8s, 36 /16s and 178 /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: 52444
Total LACNIC prefixes after maximum aggregation: 9927
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 57512
Unique aggregates announced from the LACNIC address blocks: 26693
LACNIC Region origin ASes present in the Internet Routing Table: 2040
LACNIC Prefixes per ASN: 28.19
LACNIC Region origin ASes announcing only one prefix: 560
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: 2
Number of LACNIC addresses announced to Internet: 141095728
Equivalent to 8 /8s, 104 /16s and 243 /24s
Percentage of available LACNIC address space announced: 84.1
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: 11607
Total AfriNIC prefixes after maximum aggregation: 2559
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12260
Unique aggregates announced from the AfriNIC address blocks: 4004
AfriNIC Region origin ASes present in the Internet Routing Table: 667
AfriNIC Prefixes per ASN: 18.38
AfriNIC Region origin ASes announcing only one prefix: 199
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 1
Number of AfriNIC addresses announced to Internet: 48076544
Equivalent to 2 /8s, 221 /16s and 151 /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 2938 11558 943 Korea Telecom (KIX)
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
7545 2095 319 112 TPG Internet Pty Ltd
4755 1782 391 187 TATA Communications formerly
9829 1557 1241 45 BSNL National Internet Backbo
9498 1206 309 74 BHARTI Airtel Ltd.
9583 1187 90 513 Sify Limited
4808 1164 2127 341 CNCGROUP IP network: China169
7552 1156 1080 13 Vietel Corporation
24560 1091 380 164 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 3062 3689 58 BellSouth.net Inc.
22773 2185 2941 139 Cox Communications, Inc.
18566 2059 379 180 Covad Communications
1785 2035 684 130 PaeTec Communications, Inc.
20115 1682 1653 613 Charter Communications
4323 1615 1101 417 Time Warner Telecom
701 1509 11145 784 UUNET Technologies, Inc.
30036 1387 313 577 Mediacom Communications Corp
7018 1336 17778 865 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 1839 544 17 OJSC "Vimpelcom"
34984 1361 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1081 394 828 Akamai Technologies European
31148 1000 44 19 FreeNet ISP
13188 885 99 58 TOV "Bank-Inform"
6830 770 2327 423 UPC Distribution Services
8551 755 370 41 Bezeq International
12479 686 800 49 Uni2 Autonomous System
35228 542 246 16 Avatar Broadband Limited
34744 515 158 54 SC GVM SISTEM 2003 SRL
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 3451 1780 88 NET Servicos de Comunicao S.A
10620 2610 424 240 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1486 844 20 Global Village Telecom
8151 1348 2827 417 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 843 93 92 Telconet S.A
6147 789 373 27 Telefonica Del Peru
6503 788 434 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 882 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 409 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
36992 226 501 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 3451 1780 88 NET Servicos de Comunicao S.A
6389 3062 3689 58 BellSouth.net Inc.
4766 2938 11558 943 Korea Telecom (KIX)
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2610 424 240 TVCABLE BOGOTA
22773 2185 2941 139 Cox Communications, Inc.
7545 2095 319 112 TPG Internet Pty Ltd
18566 2059 379 180 Covad Communications
1785 2035 684 130 PaeTec Communications, Inc.
36998 1864 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 3062 3004 BellSouth.net Inc.
17974 2717 2628 PT TELEKOMUNIKASI INDONESIA
10620 2610 2370 TVCABLE BOGOTA
22773 2185 2046 Cox Communications, Inc.
4766 2938 1995 Korea Telecom (KIX)
7545 2095 1983 TPG Internet Pty Ltd
1785 2035 1905 PaeTec Communications, Inc.
18566 2059 1879 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1839 1822 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
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
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
23.91.32.0/19 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
23.91.164.0/22 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
/13:480 /14:917 /15:1630 /16:12844 /17:6719 /18:11266
/19:22958 /20:32707 /21:35361 /22:49971 /23:43374 /24:249130
/25:871 /26:990 /27:469 /28:50 /29:79 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2059 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1712 3062 BellSouth.net Inc.
8402 1535 1839 OJSC "Vimpelcom"
22773 1451 2185 Cox Communications, Inc.
30036 1235 1387 Mediacom Communications Corp
11492 1197 1238 Cable One
1785 1085 2035 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 965 1241 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:857 2:820 3:3 4:17 5:999 6:20
8:614 12:1888 13:3 14:884 15:11 16:3
17:17 18:19 20:21 23:498 24:1736 27:1604
31:1484 32:45 33:2 34:5 36:82 37:1841
38:920 39:4 40:181 41:3171 42:248 44:14
46:2031 47:7 49:681 50:837 52:12 54:39
55:6 56:2 57:26 58:1154 59:576 60:359
61:1473 62:1205 63:1979 64:4559 65:2340 66:4138
67:2116 68:1099 69:3291 70:877 71:491 72:2021
74:2566 75:328 76:309 77:1167 78:1074 79:656
80:1291 81:1015 82:657 83:635 84:590 85:1241
86:415 87:1009 88:563 89:1661 90:155 91:5658
92:618 93:1596 94:2037 95:1597 96:508 97:344
98:1048 99:42 100:31 101:613 103:3481 105:525
106:143 107:213 108:526 109:1912 110:974 111:1098
112:590 113:809 114:751 115:1035 116:990 117:838
118:1174 119:1294 120:372 121:745 122:1875 123:1252
124:1369 125:1434 128:647 129:237 130:328 131:661
132:348 133:158 134:545 135:67 136:278 137:268
138:351 139:176 140:203 141:334 142:544 143:420
144:501 145:89 146:519 147:405 148:767 149:356
150:142 151:592 152:410 153:205 154:49 155:486
156:286 157:424 158:282 159:768 160:356 161:483
162:805 163:227 164:634 165:574 166:256 167:624
168:1045 169:128 170:1122 171:181 172:25 173:1607
174:682 175:510 176:1275 177:2328 178:1947 179:195
180:1579 181:779 182:1341 183:454 184:661 185:951
186:2651 187:1502 188:1861 189:1290 190:7194 192:7111
193:5408 194:4040 195:3319 196:1321 197:1027 198:4744
199:5483 200:6106 201:2524 202:8974 203:8914 204:4517
205:2639 206:2836 207:2894 208:3983 209:3639 210:3012
211:1563 212:2140 213:1977 214:894 215:91 216:5402
217:1691 218:622 219:317 220:1275 221:566 222:326
223:508
End of report
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