[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Feb 25 05:55:16 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 25 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 398370
Prefixes after maximum aggregation: 170083
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 193498
Total ASes present in the Internet Routing Table: 40222
Prefixes per ASN: 9.90
Origin-only ASes present in the Internet Routing Table: 32798
Origin ASes announcing only one prefix: 15535
Transit ASes present in the Internet Routing Table: 5416
Transit-only ASes present in the Internet Routing Table: 144
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: 321
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 2294
Number of 32-bit ASNs visible in the Routing Table: 2008
Prefixes from 32-bit ASNs in the Routing Table: 4823
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 303
Number of addresses announced to Internet: 2521478992
Equivalent to 150 /8s, 74 /16s and 183 /24s
Percentage of available address space announced: 68.0
Percentage of allocated address space announced: 68.0
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: 169400
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97749
Total APNIC prefixes after maximum aggregation: 31742
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 94211
Unique aggregates announced from the APNIC address blocks: 39264
APNIC Region origin ASes present in the Internet Routing Table: 4664
APNIC Prefixes per ASN: 20.20
APNIC Region origin ASes announcing only one prefix: 1235
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: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 151
Number of APNIC addresses announced to Internet: 639946592
Equivalent to 38 /8s, 36 /16s and 207 /24s
Percentage of available APNIC address space announced: 81.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 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: 148408
Total ARIN prefixes after maximum aggregation: 75382
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120229
Unique aggregates announced from the ARIN address blocks: 49575
ARIN Region origin ASes present in the Internet Routing Table: 14921
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5683
ARIN Region transit ASes present in the Internet Routing Table: 1575
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: 805439424
Equivalent to 48 /8s, 2 /16s and 7 /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: 99486
Total RIPE prefixes after maximum aggregation: 52692
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91151
Unique aggregates announced from the RIPE address blocks: 56714
RIPE Region origin ASes present in the Internet Routing Table: 16336
RIPE Prefixes per ASN: 5.58
RIPE Region origin ASes announcing only one prefix: 8012
RIPE Region transit ASes present in the Internet Routing Table: 2613
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: 1380
Number of RIPE addresses announced to Internet: 500978952
Equivalent to 29 /8s, 220 /16s and 85 /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: 38762
Total LACNIC prefixes after maximum aggregation: 8083
LACNIC Deaggregation factor: 4.80
Prefixes being announced from the LACNIC address blocks: 38441
Unique aggregates announced from the LACNIC address blocks: 19555
LACNIC Region origin ASes present in the Internet Routing Table: 1576
LACNIC Prefixes per ASN: 24.39
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 289
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 458
Number of LACNIC addresses announced to Internet: 97295240
Equivalent to 5 /8s, 204 /16s and 155 /24s
Percentage of available LACNIC address space announced: 64.4
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: 8970
Total AfriNIC prefixes after maximum aggregation: 2091
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 6985
Unique aggregates announced from the AfriNIC address blocks: 2124
AfriNIC Region origin ASes present in the Internet Routing Table: 517
AfriNIC Prefixes per ASN: 13.51
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 116
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: 31523072
Equivalent to 1 /8s, 225 /16s and 1 /24s
Percentage of available AfriNIC address space announced: 47.0
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 991 Korea Telecom (KIX)
17974 1725 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 86 TPG Internet Pty Ltd
4755 1557 385 157 TATA Communications formerly
7552 1282 1064 7 Vietel Corporation
4808 1148 2112 319 CNCGROUP IP network: China169
9583 1126 84 483 Sify Limited
9829 1106 996 29 BSNL National Internet Backbo
24560 1011 385 167 Bharti Airtel Ltd., Telemedia
18101 949 130 155 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 3433 3807 199 bellsouth.net, inc.
7029 3416 1014 159 Windstream Communications Inc
18566 2091 382 177 Covad Communications
1785 1873 680 126 PaeTec Communications, Inc.
20115 1629 1551 630 Charter Communications
4323 1607 1043 381 Time Warner Telecom
22773 1536 2910 110 Cox Communications, Inc.
30036 1415 254 745 Mediacom Communications Corp
19262 1388 4703 398 Verizon Global Networks
7018 1311 6980 851 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 1753 480 15 Corbina telecom
2118 1398 97 13 EUnet/RELCOM Autonomous Syste
15557 1099 2184 60 LDCOM NETWORKS
34984 656 188 173 BILISIM TELEKOM
6830 644 1927 413 UPC Distribution Services
20940 627 203 480 Akamai Technologies European
12479 608 644 55 Uni2 Autonomous System
8551 565 360 81 Bezeq International
31148 541 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 1751 324 171 TVCABLE BOGOTA
28573 1685 1088 62 NET Servicos de Comunicao S.A
8151 1483 3011 349 UniNet S.A. de C.V.
7303 1326 822 186 Telecom Argentina Stet-France
26615 881 668 32 Tim Brasil S.A.
27947 662 67 108 Telconet S.A
11172 632 91 72 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
6503 576 418 66 AVANTEL, S.A.
3816 554 237 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 1254 958 13 TEDATA
24863 834 274 37 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 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
33776 182 12 20 Starcomms Nigeria Limited
16637 157 647 81 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 3433 3807 199 bellsouth.net, inc.
7029 3416 1014 159 Windstream Communications Inc
4766 2485 11107 991 Korea Telecom (KIX)
18566 2091 382 177 Covad Communications
1785 1873 680 126 PaeTec Communications, Inc.
8402 1753 480 15 Corbina telecom
10620 1751 324 171 TVCABLE BOGOTA
17974 1725 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1685 1088 62 NET Servicos de Comunicao S.A
7545 1642 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 3416 3257 Windstream Communications Inc
18566 2091 1914 Covad Communications
1785 1873 1747 PaeTec Communications, Inc.
8402 1753 1738 Corbina telecom
17974 1725 1689 PT TELEKOMUNIKASI INDONESIA
28573 1685 1623 NET Servicos de Comunicao S.A
10620 1751 1580 TVCABLE BOGOTA
7545 1642 1556 TPG Internet Pty Ltd
4766 2485 1494 Korea Telecom (KIX)
22773 1536 1426 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 /10:28 /11:81 /12:232
/13:459 /14:812 /15:1473 /16:12149 /17:6216 /18:10375
/19:20480 /20:28362 /21:29291 /22:39795 /23:37056 /24:207890
/25:1174 /26:1425 /27:782 /28:170 /29:56 /30:14
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3070 3416 Windstream Communications Inc
6389 2107 3433 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1732 1753 Corbina telecom
10620 1648 1751 TVCABLE BOGOTA
30036 1365 1415 Mediacom Communications Corp
11492 1122 1159 Cable One
1785 1064 1873 PaeTec Communications, Inc.
8452 1062 1254 TEDATA
15557 1046 1099 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:503 2:712 4:14 6:3 8:387 12:1962
13:1 14:595 15:11 16:3 17:7 20:8
23:134 24:1736 27:1195 31:944 32:65 33:2
34:2 36:9 37:198 38:781 40:116 41:3117
42:112 43:1 44:3 46:1324 47:3 49:319
50:509 52:13 54:2 55:7 56:3 57:38
58:965 59:494 60:344 61:1189 62:966 63:2010
64:4122 65:2285 66:4460 67:2020 68:1167 69:3163
70:909 71:406 72:1791 74:2648 75:470 76:320
77:970 78:958 79:509 80:1224 81:878 82:629
83:528 84:585 85:1155 86:728 87:912 88:334
89:1564 90:282 91:4501 92:510 93:1351 94:1386
95:1118 96:421 97:311 98:831 99:38 100:4
101:154 103:830 106:66 107:161 108:176 109:1542
110:708 111:853 112:435 113:528 114:601 115:779
116:870 117:710 118:906 119:1258 120:364 121:690
122:1617 123:1078 124:1329 125:1316 128:536 129:190
130:217 131:590 132:162 133:21 134:234 135:62
136:214 137:183 138:268 139:145 140:468 141:261
142:394 143:420 144:515 145:69 146:486 147:240
148:734 149:300 150:163 151:198 152:448 153:171
154:7 155:395 156:212 157:370 158:163 159:517
160:319 161:245 162:342 163:181 164:523 165:393
166:559 167:459 168:737 169:148 170:838 171:118
172:4 173:1721 174:598 175:422 176:507 177:507
178:1282 180:1184 181:68 182:736 183:281 184:432
185:1 186:2039 187:856 188:1084 189:1186 190:5463
192:5970 193:5539 194:4344 195:3394 196:1288 197:167
198:3622 199:4415 200:5710 201:1737 202:8401 203:8633
204:4362 205:2441 206:2741 207:2795 208:4067 209:3551
210:2752 211:1476 212:2015 213:1843 214:837 215:101
216:5030 217:1501 218:547 219:337 220:1224 221:562
222:324 223:312
End of report
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