[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 26 18:34:46 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 27 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 452463
Prefixes after maximum aggregation: 184927
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 223134
Total ASes present in the Internet Routing Table: 43963
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34555
Origin ASes announcing only one prefix: 16096
Transit ASes present in the Internet Routing Table: 5809
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 4742
Number of 32-bit ASNs visible in the Routing Table: 3599
Prefixes from 32-bit ASNs in the Routing Table: 10189
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2615429996
Equivalent to 155 /8s, 228 /16s and 75 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
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: 159320
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108746
Total APNIC prefixes after maximum aggregation: 33420
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109994
Unique aggregates announced from the APNIC address blocks: 44571
APNIC Region origin ASes present in the Internet Routing Table: 4837
APNIC Prefixes per ASN: 22.74
APNIC Region origin ASes announcing only one prefix: 1228
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 509
Number of APNIC addresses announced to Internet: 720942304
Equivalent to 42 /8s, 248 /16s and 180 /24s
Percentage of available APNIC address space announced: 84.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 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: 158813
Total ARIN prefixes after maximum aggregation: 79935
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159458
Unique aggregates announced from the ARIN address blocks: 72851
ARIN Region origin ASes present in the Internet Routing Table: 15671
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5971
ARIN Region transit ASes present in the Internet Routing Table: 1626
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: 1063168896
Equivalent to 63 /8s, 94 /16s and 171 /24s
Percentage of available ARIN address space announced: 56.2
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: 116767
Total RIPE prefixes after maximum aggregation: 59562
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120320
Unique aggregates announced from the RIPE address blocks: 77310
RIPE Region origin ASes present in the Internet Routing Table: 17150
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8143
RIPE Region transit ASes present in the Internet Routing Table: 2794
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: 2308
Number of RIPE addresses announced to Internet: 656946660
Equivalent to 39 /8s, 40 /16s and 53 /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, 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: 47383
Total LACNIC prefixes after maximum aggregation: 9451
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 51423
Unique aggregates announced from the LACNIC address blocks: 24391
LACNIC Region origin ASes present in the Internet Routing Table: 1912
LACNIC Prefixes per ASN: 26.89
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 354
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 758
Number of LACNIC addresses announced to Internet: 127623720
Equivalent to 7 /8s, 155 /16s and 98 /24s
Percentage of available LACNIC address space announced: 76.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10481
Total AfriNIC prefixes after maximum aggregation: 2518
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 11069
Unique aggregates announced from the AfriNIC address blocks: 3827
AfriNIC Region origin ASes present in the Internet Routing Table: 619
AfriNIC Prefixes per ASN: 17.88
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46315264
Equivalent to 2 /8s, 194 /16s and 183 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2950 11558 922 Korea Telecom (KIX)
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1888 320 109 TPG Internet Pty Ltd
4755 1739 392 198 TATA Communications formerly
9829 1504 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1172 1064 12 Vietel Corporation
4808 1117 2110 326 CNCGROUP IP network: China169
9498 1088 310 73 BHARTI Airtel Ltd.
24560 1071 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 3033 3694 86 bellsouth.net, inc.
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
20115 1669 1610 613 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1342 298 652 Mediacom Communications Corp
7018 1314 10805 850 AT&T WorldNet Services
11492 1239 228 330 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 1802 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 235 206 BILISIM TELEKOM
12479 839 785 66 Uni2 Autonomous System
13188 834 99 70 Educational Network
20940 815 285 650 Akamai Technologies European
31148 797 41 21 FreeNet ISP
6830 775 2376 446 UPC Distribution Services
8551 764 370 43 Bezeq International
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 2700 1468 102 NET Servicos de Comunicao S.A
10620 2383 413 215 TVCABLE BOGOTA
7303 1681 1154 214 Telecom Argentina Stet-France
8151 1236 2692 395 UniNet S.A. de C.V.
6503 1065 435 68 AVANTEL, S.A.
18881 906 780 19 Global Village Telecom
27947 815 88 94 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 696 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 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 1286 80 4 MOBITEL
24863 702 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 404 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 181 12 19 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 3033 3694 86 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
28573 2700 1468 102 NET Servicos de Comunicao S.A
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2383 413 215 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
7545 1888 320 109 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 2700 2598 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2383 2168 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1989 1865 PaeTec Communications, Inc.
22773 1970 1845 Cox Communications, Inc.
8402 1802 1786 Corbina telecom
7545 1888 1779 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
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 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 /8:16 /9:13 /10:29 /11:88 /12:249
/13:486 /14:885 /15:1566 /16:12687 /17:6635 /18:11105
/19:21997 /20:32039 /21:33962 /22:47079 /23:41918 /24:237699
/25:1343 /26:1662 /27:857 /28:45 /29:66 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1738 3033 bellsouth.net, inc.
7029 1611 2174 Windstream Communications Inc
8402 1500 1802 Corbina telecom
22773 1280 1970 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1216 1342 Mediacom Communications Corp
11492 1198 1239 Cable One
1785 1060 1989 PaeTec Communications, Inc.
6983 1006 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:781 2:757 3:3 4:15 5:876 6:5
8:550 12:1918 13:3 14:773 15:11 16:3
17:9 20:18 23:273 24:1763 27:1489 31:1249
32:43 33:2 34:5 36:44 37:1801 38:867
39:2 40:171 41:2767 42:186 44:6 46:1874
47:2 49:629 50:685 52:12 54:32 55:9
57:27 58:1139 59:588 60:308 61:1453 62:1032
63:2040 64:4314 65:2178 66:4312 67:2058 68:1118
69:3248 70:873 71:536 72:1956 74:2550 75:416
76:289 77:1112 78:1052 79:583 80:1242 81:984
82:618 83:569 84:523 85:1169 86:463 87:978
88:526 89:1807 90:280 91:5504 92:618 93:1730
94:1837 95:1542 96:521 97:343 98:1051 99:41
100:29 101:318 103:2509 105:520 106:143 107:209
108:517 109:1839 110:864 111:1046 112:503 113:785
114:699 115:1012 116:890 117:798 118:1058 119:1268
120:404 121:826 122:1757 123:1231 124:1334 125:1331
128:638 129:223 130:324 131:654 132:340 133:149
134:254 135:64 136:224 137:249 138:346 139:197
140:206 141:322 142:546 143:377 144:488 145:92
146:507 147:389 148:694 149:370 150:166 151:533
152:419 153:195 154:39 155:394 156:265 157:394
158:275 159:722 160:337 161:423 162:406 163:207
164:587 165:450 166:334 167:580 168:1032 169:133
170:1026 171:177 172:5 173:1603 174:589 175:462
176:1277 177:1856 178:1834 179:4 180:1412 181:409
182:1144 183:373 184:672 185:395 186:2295 187:1326
188:2047 189:1376 190:6164 192:6547 193:5838 194:4650
195:3492 196:1316 197:941 198:4391 199:5280 200:5899
201:2407 202:8882 203:8790 204:4518 205:2559 206:2843
207:2857 208:4053 209:3613 210:2953 211:1552 212:2043
213:1900 214:914 215:98 216:5199 217:1572 218:617
219:347 220:1273 221:554 222:317 223:443
End of report
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