[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jun 23 04:48:35 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 23 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 414975
Prefixes after maximum aggregation: 175345
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 202288
Total ASes present in the Internet Routing Table: 41358
Prefixes per ASN: 10.03
Origin-only ASes present in the Internet Routing Table: 33312
Origin ASes announcing only one prefix: 15660
Transit ASes present in the Internet Routing Table: 5532
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 392
Unregistered ASNs in the Routing Table: 123
Number of 32-bit ASNs allocated by the RIRs: 2879
Number of 32-bit ASNs visible in the Routing Table: 2514
Prefixes from 32-bit ASNs in the Routing Table: 6440
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 260
Number of addresses announced to Internet: 2568129068
Equivalent to 153 /8s, 18 /16s and 138 /24s
Percentage of available address space announced: 69.3
Percentage of allocated address space announced: 69.4
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.0
Total number of prefixes smaller than registry allocations: 144378
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101060
Total APNIC prefixes after maximum aggregation: 32679
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 101493
Unique aggregates announced from the APNIC address blocks: 41912
APNIC Region origin ASes present in the Internet Routing Table: 4708
APNIC Prefixes per ASN: 21.56
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 743
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 238
Number of APNIC addresses announced to Internet: 703274368
Equivalent to 41 /8s, 235 /16s and 29 /24s
Percentage of available APNIC address space announced: 82.2
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: 152044
Total ARIN prefixes after maximum aggregation: 77265
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 152987
Unique aggregates announced from the ARIN address blocks: 68132
ARIN Region origin ASes present in the Internet Routing Table: 15172
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5752
ARIN Region transit ASes present in the Internet Routing Table: 1601
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 1080985216
Equivalent to 64 /8s, 110 /16s and 134 /24s
Percentage of available ARIN address space announced: 57.2
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: 103551
Total RIPE prefixes after maximum aggregation: 54846
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105587
Unique aggregates announced from the RIPE address blocks: 66781
RIPE Region origin ASes present in the Internet Routing Table: 16640
RIPE Prefixes per ASN: 6.35
RIPE Region origin ASes announcing only one prefix: 8070
RIPE Region transit ASes present in the Internet Routing Table: 2666
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1654
Number of RIPE addresses announced to Internet: 631874948
Equivalent to 37 /8s, 169 /16s and 165 /24s
Percentage of available RIPE address space announced: 91.9
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
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: 42327
Total LACNIC prefixes after maximum aggregation: 8320
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 44845
Unique aggregates announced from the LACNIC address blocks: 21926
LACNIC Region origin ASes present in the Internet Routing Table: 1600
LACNIC Prefixes per ASN: 28.03
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 308
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 600
Number of LACNIC addresses announced to Internet: 111077288
Equivalent to 6 /8s, 158 /16s and 231 /24s
Percentage of available LACNIC address space announced: 66.2
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: 9352
Total AfriNIC prefixes after maximum aggregation: 2173
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 9803
Unique aggregates announced from the AfriNIC address blocks: 3304
AfriNIC Region origin ASes present in the Internet Routing Table: 548
AfriNIC Prefixes per ASN: 17.89
AfriNIC Region origin ASes announcing only one prefix: 167
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 6
Number of AfriNIC addresses announced to Internet: 40527872
Equivalent to 2 /8s, 106 /16s and 104 /24s
Percentage of available AfriNIC address space announced: 40.3
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 2704 11117 1196 Korea Telecom (KIX)
17974 1945 533 80 PT TELEKOMUNIKASI INDONESIA
7545 1689 301 87 TPG Internet Pty Ltd
4755 1594 385 154 TATA Communications formerly
9829 1300 1085 28 BSNL National Internet Backbo
9583 1173 89 511 Sify Limited
4808 1107 2054 313 CNCGROUP IP network: China169
7552 1100 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 966 291 63 BHARTI Airtel Ltd.
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 3401 3791 190 bellsouth.net, inc.
7029 3238 986 157 Windstream Communications Inc
18566 2091 382 181 Covad Communications
1785 1925 681 132 PaeTec Communications, Inc.
22773 1650 2911 121 Cox Communications, Inc.
20115 1645 1570 613 Charter Communications
4323 1571 1043 385 Time Warner Telecom
30036 1439 269 763 Mediacom Communications Corp
7018 1225 10013 823 AT&T WorldNet Services
11492 1189 216 356 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 1690 544 16 Corbina telecom
2118 1255 97 14 EUnet/RELCOM Autonomous Syste
12479 757 721 93 Uni2 Autonomous System
34984 710 188 173 BILISIM TELEKOM
31148 686 37 9 FreeNet ISP
6830 685 2234 437 UPC Distribution Services
20940 664 215 520 Akamai Technologies European
8551 577 364 61 Bezeq International
3320 490 8442 403 Deutsche Telekom AG
13188 476 100 10 Educational Network
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 1967 342 205 TVCABLE BOGOTA
28573 1942 1211 54 NET Servicos de Comunicao S.A
6503 1530 418 65 AVANTEL, S.A.
8151 1491 3068 336 UniNet S.A. de C.V.
7303 1440 901 195 Telecom Argentina Stet-France
26615 903 728 33 Tim Brasil S.A.
27947 705 73 93 Telconet S.A
11172 646 91 74 Servicios Alestra S.A de C.V
3816 586 247 89 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET 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
8452 1275 958 13 TEDATA
24863 860 274 35 LINKdotNET AS number
6713 499 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 209 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
16637 172 664 87 MTN Network Solutions
29975 167 571 19 Vodacom
29571 157 15 16 Ci Telecom Autonomous system
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 3401 3791 190 bellsouth.net, inc.
7029 3238 986 157 Windstream Communications Inc
4766 2704 11117 1196 Korea Telecom (KIX)
18566 2091 382 181 Covad Communications
10620 1967 342 205 TVCABLE BOGOTA
17974 1945 533 80 PT TELEKOMUNIKASI INDONESIA
28573 1942 1211 54 NET Servicos de Comunicao S.A
1785 1925 681 132 PaeTec Communications, Inc.
8402 1690 544 16 Corbina telecom
7545 1689 301 87 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
7029 3238 3081 Windstream Communications Inc
18566 2091 1910 Covad Communications
28573 1942 1888 NET Servicos de Comunicao S.A
17974 1945 1865 PT TELEKOMUNIKASI INDONESIA
1785 1925 1793 PaeTec Communications, Inc.
10620 1967 1762 TVCABLE BOGOTA
8402 1690 1674 Corbina telecom
7545 1689 1602 TPG Internet Pty Ltd
22773 1650 1529 Cox Communications, Inc.
4766 2704 1508 Korea Telecom (KIX)
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
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
32873 UNALLOCATED 12.46.102.0/24 10912 InterNAP Network Ser
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
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
27.112.114.0/24 23884 Proimage Engineering and Comm
46.96.0.0/22 31733 Link Telecom PJSC
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 /9:13 /10:28 /11:83 /12:236
/13:462 /14:832 /15:1508 /16:12291 /17:6333 /18:10725
/19:20814 /20:29569 /21:31283 /22:40922 /23:38788 /24:217227
/25:1238 /26:1460 /27:866 /28:171 /29:66 /30:18
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2636 3238 Windstream Communications Inc
18566 2040 2091 Covad Communications
6389 1874 3401 bellsouth.net, inc.
8402 1389 1690 Corbina telecom
30036 1378 1439 Mediacom Communications Corp
11492 1152 1189 Cable One
22773 1082 1650 Cox Communications, Inc.
6503 1061 1530 AVANTEL, S.A.
8452 1040 1275 TEDATA
1785 1036 1925 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:563 2:712 3:1 4:13 5:62 6:3
8:429 12:2014 13:1 14:630 15:12 16:3
17:5 20:24 23:185 24:1784 27:1311 31:984
32:56 33:2 34:2 36:9 37:582 38:814
39:1 40:127 41:3147 42:139 44:3 46:1448
47:2 49:415 50:559 52:13 54:12 55:7
56:1 57:34 58:976 59:504 60:259 61:1227
62:997 63:2040 64:4251 65:2254 66:4460 67:2022
68:1155 69:3194 70:982 71:503 72:1829 74:2601
75:477 76:330 77:951 78:968 79:493 80:1216
81:943 82:653 83:526 84:498 85:1191 86:420
87:936 88:331 89:1721 90:298 91:4956 92:573
93:1402 94:1595 95:1230 96:371 97:316 98:893
99:38 100:17 101:251 103:1200 106:103 107:186
108:340 109:1411 110:785 111:925 112:419 113:623
114:642 115:822 116:949 117:730 118:899 119:1233
120:348 121:694 122:1673 123:1097 124:1400 125:1255
128:560 129:198 130:254 131:633 132:289 133:22
134:244 135:61 136:215 137:239 138:334 139:185
140:491 141:253 142:437 143:372 144:516 145:76
146:510 147:292 148:775 149:314 150:163 151:182
152:473 153:175 154:17 155:420 156:225 157:381
158:190 159:619 160:342 161:269 162:352 163:192
164:643 165:413 166:587 167:475 168:912 169:127
170:885 171:137 172:5 173:1779 174:615 175:436
176:545 177:842 178:1517 180:1264 181:97 182:1020
183:232 184:517 185:1 186:2375 187:1133 188:1349
189:1852 190:5635 192:6005 193:5539 194:4542 195:3430
196:1220 197:161 198:3666 199:4796 200:5897 201:1967
202:8667 203:8580 204:4337 205:2542 206:2805 207:2798
208:4042 209:3608 210:2786 211:1552 212:2032 213:1925
214:874 215:83 216:5102 217:1566 218:555 219:312
220:1241 221:574 222:315 223:354
End of report
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