[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 5 18:33:12 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 06 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 449057
Prefixes after maximum aggregation: 184025
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 221630
Total ASes present in the Internet Routing Table: 43748
Prefixes per ASN: 10.26
Origin-only ASes present in the Internet Routing Table: 34414
Origin ASes announcing only one prefix: 16061
Transit ASes present in the Internet Routing Table: 5792
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 368
Unregistered ASNs in the Routing Table: 137
Number of 32-bit ASNs allocated by the RIRs: 4688
Number of 32-bit ASNs visible in the Routing Table: 3542
Prefixes from 32-bit ASNs in the Routing Table: 10367
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 217
Number of addresses announced to Internet: 2628059756
Equivalent to 156 /8s, 165 /16s and 2 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 158789
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107913
Total APNIC prefixes after maximum aggregation: 33314
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109122
Unique aggregates announced from the APNIC address blocks: 44393
APNIC Region origin ASes present in the Internet Routing Table: 4823
APNIC Prefixes per ASN: 22.63
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 486
Number of APNIC addresses announced to Internet: 720399840
Equivalent to 42 /8s, 240 /16s and 109 /24s
Percentage of available APNIC address space announced: 84.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 157436
Total ARIN prefixes after maximum aggregation: 79453
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158125
Unique aggregates announced from the ARIN address blocks: 72365
ARIN Region origin ASes present in the Internet Routing Table: 15598
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5935
ARIN Region transit ASes present in the Internet Routing Table: 1611
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1078792832
Equivalent to 64 /8s, 77 /16s and 18 /24s
Percentage of available ARIN address space announced: 57.1
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, 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: 115684
Total RIPE prefixes after maximum aggregation: 59313
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 119410
Unique aggregates announced from the RIPE address blocks: 76882
RIPE Region origin ASes present in the Internet Routing Table: 17117
RIPE Prefixes per ASN: 6.98
RIPE Region origin ASes announcing only one prefix: 8148
RIPE Region transit ASes present in the Internet Routing Table: 2801
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2276
Number of RIPE addresses announced to Internet: 656040676
Equivalent to 39 /8s, 26 /16s and 98 /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, 196608-199679
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: 47491
Total LACNIC prefixes after maximum aggregation: 9422
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 51537
Unique aggregates announced from the LACNIC address blocks: 23997
LACNIC Region origin ASes present in the Internet Routing Table: 1889
LACNIC Prefixes per ASN: 27.28
LACNIC Region origin ASes announcing only one prefix: 564
LACNIC Region transit ASes present in the Internet Routing Table: 349
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 755
Number of LACNIC addresses announced to Internet: 126168872
Equivalent to 7 /8s, 133 /16s and 47 /24s
Percentage of available LACNIC address space announced: 75.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 10033
Total AfriNIC prefixes after maximum aggregation: 2474
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 10646
Unique aggregates announced from the AfriNIC address blocks: 3791
AfriNIC Region origin ASes present in the Internet Routing Table: 611
AfriNIC Prefixes per ASN: 17.42
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 46211584
Equivalent to 2 /8s, 193 /16s and 34 /24s
Percentage of available AfriNIC address space announced: 45.9
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 11558 923 Korea Telecom (KIX)
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1862 302 94 TPG Internet Pty Ltd
4755 1732 392 198 TATA Communications formerly
9829 1500 1205 40 BSNL National Internet Backbo
9583 1278 97 535 Sify Limited
4808 1122 2109 326 CNCGROUP IP network: China169
7552 1121 1063 21 Vietel Corporation
9498 1065 310 73 BHARTI Airtel Ltd.
24560 1060 385 164 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 3038 3694 88 bellsouth.net, inc.
7029 2151 1266 213 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2008 2929 125 Cox Communications, Inc.
1785 1973 677 123 PaeTec Communications, Inc.
20115 1668 1610 610 Charter Communications
4323 1607 1139 397 Time Warner Telecom
30036 1338 296 657 Mediacom Communications Corp
7018 1312 10805 853 AT&T WorldNet Services
11492 1216 223 331 Cable One
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 1830 544 16 Corbina telecom
34984 1131 234 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 813 283 646 Akamai Technologies European
31148 790 41 20 FreeNet ISP
8551 745 370 43 Bezeq International
6830 734 2314 435 UPC Distribution Services
58113 666 74 386 LIR DATACENTER TELECOM 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 2561 1418 94 NET Servicos de Comunicao S.A
10620 2355 408 227 TVCABLE BOGOTA
7303 1673 1152 210 Telecom Argentina Stet-France
8151 1222 2666 400 UniNet S.A. de C.V.
6503 1184 435 68 AVANTEL, S.A.
14754 951 131 89 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 802 87 95 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 693 306 85 Empresa Nacional de Telecomun
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 1137 80 4 MOBITEL
24863 671 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 356 958 13 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 187 698 88 MTN Network Solutions
33776 178 12 18 Starcomms Nigeria Limited
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
6389 3038 3694 88 bellsouth.net, inc.
4766 2955 11558 923 Korea Telecom (KIX)
28573 2561 1418 94 NET Servicos de Comunicao S.A
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2355 408 227 TVCABLE BOGOTA
7029 2151 1266 213 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2008 2929 125 Cox Communications, Inc.
1785 1973 677 123 PaeTec Communications, Inc.
7545 1862 302 94 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2561 2467 NET Servicos de Comunicao S.A
17974 2510 2424 PT TELEKOMUNIKASI INDONESIA
10620 2355 2128 TVCABLE BOGOTA
4766 2955 2032 Korea Telecom (KIX)
7029 2151 1938 Windstream Communications Inc
18566 2068 1884 Covad Communications
22773 2008 1883 Cox Communications, Inc.
1785 1973 1850 PaeTec Communications, Inc.
8402 1830 1814 Corbina telecom
7545 1862 1768 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 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
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
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 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
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
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 /8:17 /9:13 /10:29 /11:88 /12:248
/13:485 /14:875 /15:1557 /16:12685 /17:6615 /18:10898
/19:21781 /20:31876 /21:33682 /22:46513 /23:41693 /24:235817
/25:1398 /26:1781 /27:862 /28:43 /29:64 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3038 bellsouth.net, inc.
7029 1597 2151 Windstream Communications Inc
8402 1527 1830 Corbina telecom
22773 1314 2008 Cox Communications, Inc.
30036 1215 1338 Mediacom Communications Corp
11492 1178 1216 Cable One
36998 1131 1137 MOBITEL
1785 1045 1973 PaeTec Communications, Inc.
6983 929 1043 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:752 2:786 3:3 4:13 5:841 6:4
8:519 12:1918 13:3 14:770 15:11 16:3
17:9 20:19 23:255 24:1773 27:1433 31:1192
32:42 33:2 34:5 36:43 37:1675 38:862
39:2 40:164 41:2701 42:185 44:6 46:1786
47:2 49:616 50:676 52:12 54:29 55:8
57:27 58:1106 59:586 60:304 61:1445 62:992
63:2036 64:4289 65:2181 66:4282 67:2060 68:1117
69:3254 70:873 71:526 72:1890 74:2551 75:407
76:287 77:1088 78:1033 79:583 80:1247 81:978
82:609 83:581 84:569 85:1159 86:466 87:962
88:526 89:1789 90:281 91:5458 92:618 93:1707
94:1873 95:1536 96:502 97:340 98:1048 99:41
100:29 101:309 103:2375 105:488 106:126 107:207
108:514 109:1812 110:877 111:1045 112:491 113:768
114:688 115:1019 116:875 117:795 118:1015 119:1268
120:382 121:815 122:1740 123:1187 124:1331 125:1314
128:634 129:224 130:331 131:655 132:339 133:148
134:258 135:62 136:221 137:246 138:343 139:184
140:200 141:314 142:544 143:365 144:481 145:93
146:509 147:380 148:697 149:365 150:162 151:554
152:415 153:194 154:43 155:382 156:260 157:392
158:270 159:713 160:334 161:424 162:373 163:202
164:574 165:452 166:331 167:578 168:1018 169:133
170:1021 171:174 172:4 173:1591 174:579 175:442
176:1140 177:1887 178:2027 179:2 180:1383 181:304
182:1123 183:379 184:661 185:335 186:2381 187:1258
188:1986 189:1394 190:6646 192:6476 193:5659 194:4518
195:3465 196:1311 197:777 198:4313 199:5269 200:6024
201:2367 202:8854 203:8790 204:4507 205:2549 206:2788
207:2825 208:4060 209:3547 210:2923 211:1566 212:2012
213:1942 214:925 215:94 216:5186 217:1571 218:607
219:348 220:1271 221:544 222:319 223:499
End of report
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