[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Feb 18 05:55:43 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 18 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 398152
Prefixes after maximum aggregation: 169962
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 192387
Total ASes present in the Internet Routing Table: 40142
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32774
Origin ASes announcing only one prefix: 15521
Transit ASes present in the Internet Routing Table: 5396
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 324
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 2284
Number of 32-bit ASNs visible in the Routing Table: 1972
Prefixes from 32-bit ASNs in the Routing Table: 4748
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 225
Number of addresses announced to Internet: 2516085584
Equivalent to 149 /8s, 248 /16s and 107 /24s
Percentage of available address space announced: 67.9
Percentage of allocated address space announced: 67.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 169239
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98012
Total APNIC prefixes after maximum aggregation: 31831
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94322
Unique aggregates announced from the APNIC address blocks: 39128
APNIC Region origin ASes present in the Internet Routing Table: 4661
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 738
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 149
Number of APNIC addresses announced to Internet: 636127072
Equivalent to 37 /8s, 234 /16s and 135 /24s
Percentage of available APNIC address space announced: 80.7
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: 148390
Total ARIN prefixes after maximum aggregation: 75337
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120289
Unique aggregates announced from the ARIN address blocks: 49478
ARIN Region origin ASes present in the Internet Routing Table: 14911
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5685
ARIN Region transit ASes present in the Internet Routing Table: 1565
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 805086400
Equivalent to 47 /8s, 252 /16s and 164 /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: 99249
Total RIPE prefixes after maximum aggregation: 52504
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 90947
Unique aggregates announced from the RIPE address blocks: 55992
RIPE Region origin ASes present in the Internet Routing Table: 16316
RIPE Prefixes per ASN: 5.57
RIPE Region origin ASes announcing only one prefix: 7989
RIPE Region transit ASes present in the Internet Routing Table: 2603
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1356
Number of RIPE addresses announced to Internet: 501182472
Equivalent to 29 /8s, 223 /16s and 112 /24s
Percentage of available RIPE address space announced: 80.7
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: 38624
Total LACNIC prefixes after maximum aggregation: 8109
LACNIC Deaggregation factor: 4.76
Prefixes being announced from the LACNIC address blocks: 38253
Unique aggregates announced from the LACNIC address blocks: 19501
LACNIC Region origin ASes present in the Internet Routing Table: 1574
LACNIC Prefixes per ASN: 24.30
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 291
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 448
Number of LACNIC addresses announced to Internet: 96604808
Equivalent to 5 /8s, 194 /16s and 18 /24s
Percentage of available LACNIC address space announced: 64.0
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: 8956
Total AfriNIC prefixes after maximum aggregation: 2096
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 6976
Unique aggregates announced from the AfriNIC address blocks: 2176
AfriNIC Region origin ASes present in the Internet Routing Table: 514
AfriNIC Prefixes per ASN: 13.57
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.4
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: 30956544
Equivalent to 1 /8s, 216 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2485 11107 989 Korea Telecom (KIX)
17974 1729 501 36 PT TELEKOMUNIKASI INDONESIA
7545 1643 303 86 TPG Internet Pty Ltd
4755 1550 385 160 TATA Communications formerly
7552 1267 1064 7 Vietel Corporation
9829 1181 997 29 BSNL National Internet Backbo
4808 1149 2114 318 CNCGROUP IP network: China169
9583 1124 84 482 Sify Limited
24560 1019 385 167 Bharti Airtel Ltd., Telemedia
18101 950 130 156 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 3440 3807 201 bellsouth.net, inc.
7029 3389 1014 159 Windstream Communications Inc
18566 2091 382 177 Covad Communications
1785 1871 680 126 PaeTec Communications, Inc.
20115 1627 1550 630 Charter Communications
4323 1608 1062 384 Time Warner Telecom
22773 1527 2910 110 Cox Communications, Inc.
30036 1400 248 750 Mediacom Communications Corp
19262 1388 4703 397 Verizon Global Networks
7018 1307 6996 848 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 1768 480 15 Corbina telecom
2118 1399 97 13 EUnet/RELCOM Autonomous Syste
15557 1098 2184 60 LDCOM NETWORKS
34984 653 188 173 BILISIM TELEKOM
6830 644 1927 413 UPC Distribution Services
20940 615 198 472 Akamai Technologies European
12479 605 643 54 Uni2 Autonomous System
8551 576 360 81 Bezeq International
31148 538 37 9 FreeNet ISP
3320 533 8450 399 Deutsche Telekom AG
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 1744 323 172 TVCABLE BOGOTA
28573 1671 1085 65 NET Servicos de Comunicao S.A
8151 1475 3007 345 UniNet S.A. de C.V.
7303 1263 758 182 Telecom Argentina Stet-France
26615 860 672 33 Tim Brasil S.A.
27947 661 67 108 Telconet S.A
11172 631 91 73 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
6503 552 418 66 AVANTEL, S.A.
3816 551 237 91 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
8452 1232 958 13 TEDATA
24863 830 156 44 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
33776 237 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
16637 163 664 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 3440 3807 201 bellsouth.net, inc.
7029 3389 1014 159 Windstream Communications Inc
4766 2485 11107 989 Korea Telecom (KIX)
18566 2091 382 177 Covad Communications
1785 1871 680 126 PaeTec Communications, Inc.
8402 1768 480 15 Corbina telecom
10620 1744 323 172 TVCABLE BOGOTA
17974 1729 501 36 PT TELEKOMUNIKASI INDONESIA
28573 1671 1085 65 NET Servicos de Comunicao S.A
7545 1643 303 86 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 3389 3230 Windstream Communications Inc
18566 2091 1914 Covad Communications
8402 1768 1753 Corbina telecom
1785 1871 1745 PaeTec Communications, Inc.
17974 1729 1693 PT TELEKOMUNIKASI INDONESIA
28573 1671 1606 NET Servicos de Comunicao S.A
10620 1744 1572 TVCABLE BOGOTA
7545 1643 1557 TPG Internet Pty Ltd
4766 2485 1496 Korea Telecom (KIX)
22773 1527 1417 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
23.27.0.0/16 18779 Guru.com
27.112.114.0/24 23884 Proimage Engineering and Comm
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 /11:80 /12:231
/13:458 /14:814 /15:1471 /16:12149 /17:6211 /18:10346
/19:20464 /20:28291 /21:29265 /22:39904 /23:37028 /24:207711
/25:1186 /26:1449 /27:779 /28:168 /29:57 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3045 3389 Windstream Communications Inc
6389 2110 3440 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1747 1768 Corbina telecom
10620 1641 1744 TVCABLE BOGOTA
30036 1354 1400 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1064 1871 PaeTec Communications, Inc.
15557 1045 1098 LDCOM NETWORKS
8452 1042 1232 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:505 2:740 4:14 5:1 6:3 8:384
12:1960 13:1 14:597 15:11 16:3 17:7
20:8 23:135 24:1730 27:1186 31:945 32:65
33:2 34:2 36:9 37:186 38:781 40:115
41:3149 42:96 43:1 44:3 46:1298 47:3
49:331 50:501 52:13 54:2 55:10 56:3
57:38 58:966 59:494 60:344 61:1195 62:949
63:2005 64:4148 65:2284 66:4452 67:2034 68:1174
69:3163 70:934 71:412 72:1795 74:2658 75:463
76:320 77:979 78:948 79:486 80:1212 81:879
82:604 83:523 84:587 85:1153 86:749 87:914
88:338 89:1556 90:282 91:4472 92:530 93:1349
94:1378 95:1116 96:418 97:311 98:812 99:38
100:4 101:144 103:805 106:65 107:155 108:168
109:1489 110:700 111:851 112:437 113:527 114:602
115:765 116:862 117:710 118:903 119:1254 120:361
121:685 122:1624 123:1082 124:1333 125:1325 128:538
129:190 130:216 131:588 132:166 133:21 134:234
135:62 136:215 137:182 138:288 139:145 140:490
141:263 142:394 143:403 144:509 145:69 146:483
147:237 148:732 149:282 150:172 151:198 152:447
153:170 154:7 155:408 156:212 157:367 158:160
159:512 160:321 161:245 162:341 163:187 164:531
165:395 166:558 167:458 168:762 169:147 170:838
171:114 172:4 173:1722 174:592 175:421 176:516
177:503 178:1255 180:1180 181:67 182:726 183:280
184:430 185:1 186:2013 187:846 188:1070 189:1172
190:5504 192:5979 193:5532 194:4341 195:3402 196:1289
197:164 198:3622 199:4393 200:5704 201:1742 202:8419
203:8619 204:4369 205:2440 206:2744 207:2781 208:4076
209:3557 210:2760 211:1481 212:2011 213:1838 214:857
215:91 216:5029 217:1488 218:551 219:337 220:1225
221:561 222:324 223:313
End of report
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