[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jul 25 04:12:17 EST 2009
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 25 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 292250
Prefixes after maximum aggregation: 138369
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 145253
Total ASes present in the Internet Routing Table: 31825
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 27671
Origin ASes announcing only one prefix: 13487
Transit ASes present in the Internet Routing Table: 4154
Transit-only ASes present in the Internet Routing Table: 101
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 434
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 213
Prefixes from 32-bit ASNs in the Routing Table: 76
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 342
Number of addresses announced to Internet: 2061480576
Equivalent to 122 /8s, 223 /16s and 178 /24s
Percentage of available address space announced: 55.6
Percentage of allocated address space announced: 64.4
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.4
Total number of prefixes smaller than registry allocations: 144712
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69858
Total APNIC prefixes after maximum aggregation: 24855
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69293
Unique aggregates announced from the APNIC address blocks: 31631
APNIC Region origin ASes present in the Internet Routing Table: 3715
APNIC Prefixes per ASN: 18.65
APNIC Region origin ASes announcing only one prefix: 1012
APNIC Region transit ASes present in the Internet Routing Table: 576
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 473972672
Equivalent to 28 /8s, 64 /16s and 63 /24s
Percentage of available APNIC address space announced: 88.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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,
180/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 124246
Total ARIN prefixes after maximum aggregation: 66104
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 124900
Unique aggregates announced from the ARIN address blocks: 52323
ARIN Region origin ASes present in the Internet Routing Table: 13128
ARIN Prefixes per ASN: 9.51
ARIN Region origin ASes announcing only one prefix: 5058
ARIN Region transit ASes present in the Internet Routing Table: 1289
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 995143360
Equivalent to 59 /8s, 80 /16s and 174 /24s
Percentage of available ARIN address space announced: 191.3
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
ARIN Address Blocks 24/8, 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, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 66929
Total RIPE prefixes after maximum aggregation: 39578
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66512
Unique aggregates announced from the RIPE address blocks: 44870
RIPE Region origin ASes present in the Internet Routing Table: 13327
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6965
RIPE Region transit ASes present in the Internet Routing Table: 1987
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 497559744
Equivalent to 29 /8s, 168 /16s and 40 /24s
Percentage of available RIPE address space announced: 98.9
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
RIPE Address Blocks 25/8, 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, 178/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 24706
Total LACNIC prefixes after maximum aggregation: 6074
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24652
Unique aggregates announced from the LACNIC address blocks: 13642
LACNIC Region origin ASes present in the Internet Routing Table: 1146
LACNIC Prefixes per ASN: 21.51
LACNIC Region origin ASes announcing only one prefix: 365
LACNIC Region transit ASes present in the Internet Routing Table: 192
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 72665344
Equivalent to 4 /8s, 84 /16s and 201 /24s
Percentage of available LACNIC address space announced: 72.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 6131
Total AfriNIC prefixes after maximum aggregation: 1475
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6538
Unique aggregates announced from the AfriNIC address blocks: 2506
AfriNIC Region origin ASes present in the Internet Routing Table: 302
AfriNIC Prefixes per ASN: 21.65
AfriNIC Region origin ASes announcing only one prefix: 87
AfriNIC Region transit ASes present in the Internet Routing Table: 64
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20171264
Equivalent to 1 /8s, 51 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 60.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1704 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
4755 1221 292 145 TATA Communications formerly
9583 1111 86 548 Sify Limited
4134 972 17321 375 CHINANET-BACKBONE
7545 812 198 101 TPG Internet Pty Ltd
23577 786 34 667 Korea Telecom (ATM-MPLS)
9829 782 611 14 BSNL National Internet Backbo
18101 750 201 32 Reliance Infocom Ltd Internet
24560 731 247 170 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4241 3643 324 bellsouth.net, inc.
4323 1899 1050 386 Time Warner Telecom
1785 1713 714 139 PaeTec Communications, Inc.
7018 1511 5907 1047 AT&T WorldNet Services
20115 1423 1461 678 Charter Communications
2386 1272 670 924 AT&T Data Communications Serv
6478 1242 275 315 AT&T Worldnet Services
3356 1190 10960 441 Level 3 Communications, LLC
11492 1128 208 12 Cable One
22773 1077 2604 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30890 481 91 195 Evolva Telecom
12479 475 578 6 Uni2 Autonomous System
3292 459 1903 394 TDC Tele Danmark
702 430 1861 346 UUNET - Commercial IP service
9198 360 138 12 Kazakhtelecom Data Network Ad
3320 352 7082 305 Deutsche Telekom AG
3301 349 1684 311 TeliaNet Sweden
3215 343 3065 108 France Telecom Transpac
8866 333 109 20 Bulgarian Telecommunication C
8551 306 290 38 Bezeq International
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1489 2888 241 UniNet S.A. de C.V.
10620 938 218 114 TVCABLE BOGOTA
28573 651 581 36 NET Servicos de Comunicao S.A
7303 596 316 92 Telecom Argentina Stet-France
22047 543 302 14 VTR PUNTO NET S.A.
11830 488 309 56 Instituto Costarricense de El
11172 443 99 69 Servicios Alestra S.A de C.V
6471 434 96 31 ENTEL CHILE S.A.
7738 410 858 29 Telecomunicacoes da Bahia S.A
3816 382 188 78 Empresa Nacional de Telecomun
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1026 188 7 TEDATA
24863 903 90 48 LINKdotNET AS number
20858 323 34 5 EgyNet
3741 277 856 237 The Internet Solution
2018 244 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
24835 129 46 9 RAYA Telecom - Egypt
5536 123 8 9 Internet Egypt Network
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4241 3643 324 bellsouth.net, inc.
4323 1899 1050 386 Time Warner Telecom
1785 1713 714 139 PaeTec Communications, Inc.
4766 1704 6934 409 Korea Telecom (KIX)
17488 1543 137 103 Hathway IP Over Cable Interne
7018 1511 5907 1047 AT&T WorldNet Services
8151 1489 2888 241 UniNet S.A. de C.V.
20115 1423 1461 678 Charter Communications
2386 1272 670 924 AT&T Data Communications Serv
6478 1242 275 315 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1713 1574 PaeTec Communications, Inc.
4323 1899 1513 Time Warner Telecom
17488 1543 1440 Hathway IP Over Cable Interne
4766 1704 1295 Korea Telecom (KIX)
8151 1489 1248 UniNet S.A. de C.V.
11492 1128 1116 Cable One
4755 1221 1076 TATA Communications formerly
18566 1062 1052 Covad Communications
8452 1026 1019 TEDATA
22773 1077 1011 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
Complete listing at http://thyme.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 /8:18 /9:10 /10:24 /11:58 /12:169
/13:350 /14:613 /15:1170 /16:10543 /17:4767 /18:8242
/19:17172 /20:20526 /21:20395 /22:26268 /23:26180 /24:153024
/25:933 /26:1035 /27:570 /28:159 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2752 4241 bellsouth.net, inc.
4766 1402 1704 Korea Telecom (KIX)
17488 1290 1543 Hathway IP Over Cable Interne
1785 1183 1713 PaeTec Communications, Inc.
11492 1054 1128 Cable One
18566 1043 1062 Covad Communications
2386 989 1272 AT&T Data Communications Serv
9583 964 1111 Sify Limited
4323 963 1899 Time Warner Telecom
8452 948 1026 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:209 12:2145 13:7 15:19 16:3
17:5 20:36 24:1100 32:52 34:2 38:577
40:98 41:1749 43:1 44:2 47:22 52:6
55:2 56:2 57:24 58:596 59:649 60:461
61:1078 62:1106 63:2037 64:3711 65:2401 66:3582
67:1663 68:861 69:2640 70:552 71:154 72:1651
73:2 74:1636 75:175 76:348 77:849 78:580
79:359 80:974 81:840 82:585 83:451 84:624
85:1060 86:369 87:678 88:363 89:1468 90:50
91:2415 92:377 93:1069 94:1068 95:1122 96:155
97:225 98:250 99:27 110:176 111:348 112:113
113:144 114:254 115:330 116:1123 117:534 118:355
119:734 120:147 121:783 122:1059 123:704 124:974
125:1374 128:225 129:232 130:128 131:414 132:74
133:9 134:186 135:40 136:225 137:165 138:167
139:81 140:449 141:121 142:383 143:354 144:359
145:48 146:387 147:155 148:517 149:223 150:175
151:193 152:145 153:147 154:2 155:275 156:167
157:301 158:118 159:342 160:289 161:156 162:274
163:164 164:475 165:520 166:467 167:361 168:708
169:171 170:479 171:41 172:10 173:315 174:258
178:1 186:107 187:146 188:354 189:537 190:2914
192:5783 193:4270 194:3313 195:2692 196:1123 198:3647
199:3369 200:5140 201:1282 202:7716 203:8324 204:3903
205:2159 206:2447 207:2746 208:3895 209:3436 210:2539
211:1123 212:1666 213:1631 214:82 215:29 216:4540
217:1365 218:402 219:451 220:1107 221:475 222:327
End of report
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