[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jan 7 06:25:24 EST 2012
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 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 388994
Prefixes after maximum aggregation: 168547
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190697
Total ASes present in the Internet Routing Table: 39774
Prefixes per ASN: 9.78
Origin-only ASes present in the Internet Routing Table: 32587
Origin ASes announcing only one prefix: 15529
Transit ASes present in the Internet Routing Table: 5365
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 2082
Unregistered ASNs in the Routing Table: 1044
Number of 32-bit ASNs allocated by the RIRs: 2160
Number of 32-bit ASNs visible in the Routing Table: 1822
Prefixes from 32-bit ASNs in the Routing Table: 4340
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2506673712
Equivalent to 149 /8s, 104 /16s and 206 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 164906
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96263
Total APNIC prefixes after maximum aggregation: 31431
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92611
Unique aggregates announced from the APNIC address blocks: 38795
APNIC Region origin ASes present in the Internet Routing Table: 4630
APNIC Prefixes per ASN: 20.00
APNIC Region origin ASes announcing only one prefix: 1254
APNIC Region transit ASes present in the Internet Routing Table: 730
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 125
Number of APNIC addresses announced to Internet: 633118080
Equivalent to 37 /8s, 188 /16s and 157 /24s
Percentage of available APNIC address space announced: 80.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 147034
Total ARIN prefixes after maximum aggregation: 74945
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119074
Unique aggregates announced from the ARIN address blocks: 49000
ARIN Region origin ASes present in the Internet Routing Table: 14841
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5683
ARIN Region transit ASes present in the Internet Routing Table: 1574
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804838592
Equivalent to 47 /8s, 248 /16s and 220 /24s
Percentage of available ARIN address space announced: 64.0
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, 173/8,
174/8, 184/8, 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: 95494
Total RIPE prefixes after maximum aggregation: 51954
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87490
Unique aggregates announced from the RIPE address blocks: 55635
RIPE Region origin ASes present in the Internet Routing Table: 16229
RIPE Prefixes per ASN: 5.39
RIPE Region origin ASes announcing only one prefix: 7979
RIPE Region transit ASes present in the Internet Routing Table: 2578
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1269
Number of RIPE addresses announced to Internet: 496218056
Equivalent to 29 /8s, 147 /16s and 175 /24s
Percentage of available RIPE address space announced: 79.9
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 37108
Total LACNIC prefixes after maximum aggregation: 8068
LACNIC Deaggregation factor: 4.60
Prefixes being announced from the LACNIC address blocks: 36658
Unique aggregates announced from the LACNIC address blocks: 19174
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 23.48
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 287
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 410
Number of LACNIC addresses announced to Internet: 95243144
Equivalent to 5 /8s, 173 /16s and 75 /24s
Percentage of available LACNIC address space announced: 63.1
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8593
Total AfriNIC prefixes after maximum aggregation: 2076
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6622
Unique aggregates announced from the AfriNIC address blocks: 2089
AfriNIC Region origin ASes present in the Internet Routing Table: 509
AfriNIC Prefixes per ASN: 13.01
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30739456
Equivalent to 1 /8s, 213 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 45.8
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2467 11099 965 Korea Telecom (KIX)
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4755 1517 385 157 TATA Communications formerly
7552 1409 1064 7 Vietel Corporation
9829 1172 989 28 BSNL National Internet Backbo
9583 1111 81 496 Sify Limited
4808 1091 2036 310 CNCGROUP IP network: China169
24560 986 381 164 Bharti Airtel Ltd., Telemedia
18101 975 131 156 Reliance Infocom Ltd Internet
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 3476 3814 217 bellsouth.net, inc.
7029 3161 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1864 680 122 PaeTec Communications, Inc.
4323 1620 1065 385 Time Warner Telecom
20115 1616 1551 619 Charter Communications
22773 1518 2909 107 Cox Communications, Inc.
30036 1484 264 691 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1302 7013 853 AT&T WorldNet Services
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 1564 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1928 414 UPC Distribution Services
34984 636 132 198 BILISIM TELEKOM
20940 563 183 449 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
3320 531 8162 397 Deutsche Telekom AG
8551 504 360 81 Bezeq International
3292 480 2106 407 TDC Tele Danmark
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
10620 1721 319 159 TVCABLE BOGOTA
28573 1573 1064 76 NET Servicos de Comunicao S.A
8151 1459 2989 346 UniNet S.A. de C.V.
7303 1255 756 178 Telecom Argentina Stet-France
27947 632 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 91 Empresa Nacional de Telecomun
6503 538 434 67 AVANTEL, S.A.
11172 533 86 99 Servicios Alestra S.A de C.V
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
8452 1032 958 13 TEDATA
24863 794 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 191 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions
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 3476 3814 217 bellsouth.net, inc.
7029 3161 1017 200 Windstream Communications Inc
4766 2467 11099 965 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1864 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4323 1620 1065 385 Time Warner Telecom
20115 1616 1551 619 Charter Communications
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3161 2961 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1864 1742 PaeTec Communications, Inc.
17974 1719 1682 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
8402 1564 1549 Corbina telecom
7545 1630 1544 TPG Internet Pty Ltd
4766 2467 1502 Korea Telecom (KIX)
28573 1573 1497 NET Servicos de Comunicao S.A
22773 1518 1411 Cox Communications, Inc.
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
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.35.8.0/21 8400 "TELEKOM SRBIJA" a.d.
37.35.64.0/21 33983 IP network of ARTMOTION n.p.s
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 /8:19 /9:12 /10:27 /11:81 /12:237
/13:465 /14:815 /15:1453 /16:12097 /17:6127 /18:10171
/19:20180 /20:27922 /21:28372 /22:38717 /23:36054 /24:202631
/25:1177 /26:1403 /27:780 /28:167 /29:55 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2789 3161 Windstream Communications Inc
6389 2121 3476 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1543 1564 Corbina telecom
30036 1443 1484 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1066 1864 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1046 1096 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:494 2:417 4:15 5:1 6:3 8:364
12:1949 13:1 14:583 15:11 16:3 17:7
20:9 23:85 24:1717 27:1171 31:787 32:67
33:2 34:2 36:4 37:15 38:794 40:114
41:3004 42:85 43:1 44:3 46:1166 47:3
49:297 50:501 52:13 55:6 56:2 57:41
58:942 59:487 60:343 61:1177 62:938 63:1966
64:4116 65:2302 66:4368 67:1989 68:1165 69:3147
70:921 71:419 72:1787 74:2645 75:442 76:321
77:940 78:894 79:501 80:1187 81:859 82:523
83:530 84:581 85:1167 86:748 87:911 88:349
89:1583 90:261 91:4403 92:534 93:1523 94:1336
95:1049 96:401 97:295 98:788 99:38 100:18
101:127 103:612 106:10 107:126 108:101 109:1422
110:681 111:835 112:429 113:494 114:599 115:738
116:867 117:724 118:889 119:1234 120:386 121:673
122:1621 123:1051 124:1338 125:1351 128:536 129:192
130:189 131:586 132:163 133:21 134:226 135:54
136:213 137:151 138:286 139:135 140:490 141:261
142:379 143:403 144:501 145:67 146:474 147:222
148:632 149:276 150:165 151:192 152:444 153:169
154:7 155:393 156:210 157:366 158:155 159:511
160:345 161:221 162:336 163:187 164:523 165:393
166:552 167:454 168:816 169:147 170:828 171:95
172:4 173:1785 174:588 175:417 176:333 177:442
178:1169 180:1215 181:43 182:686 183:267 184:422
185:1 186:1479 187:816 188:1006 189:1169 190:5328
192:5988 193:5447 194:3788 195:3192 196:1286 197:174
198:3619 199:4256 200:5570 201:1690 202:8512 203:8592
204:4342 205:2423 206:2701 207:2803 208:4009 209:3545
210:2747 211:1477 212:1963 213:1813 214:837 215:93
216:4909 217:1478 218:568 219:338 220:1243 221:563
222:324 223:266
End of report
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