[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jun 28 04:08:39 EST 2008
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 28 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 261031
Prefixes after maximum aggregation: 128186
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 127105
Total ASes present in the Internet Routing Table: 28561
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24896
Origin ASes announcing only one prefix: 12051
Transit ASes present in the Internet Routing Table: 3665
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 18
Max AS path prepend of ASN (43380) 13
Prefixes from unregistered ASNs in the Routing Table: 612
Unregistered ASNs in the Routing Table: 221
Number of 32-bit ASNs allocated by the RIRs: 48
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 778
Number of addresses announced to Internet: 1864217696
Equivalent to 111 /8s, 29 /16s and 180 /24s
Percentage of available address space announced: 50.3
Percentage of allocated address space announced: 61.1
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.4
Total number of prefixes smaller than registry allocations: 127006
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59718
Total APNIC prefixes after maximum aggregation: 22124
APNIC Deaggregation factor: 2.70
Prefixes being announced from the APNIC address blocks: 56731
Unique aggregates announced from the APNIC address blocks: 25012
APNIC Region origin ASes present in the Internet Routing Table: 3284
APNIC Prefixes per ASN: 17.27
APNIC Region origin ASes announcing only one prefix: 878
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 359769888
Equivalent to 21 /8s, 113 /16s and 167 /24s
Percentage of available APNIC address space announced: 76.6
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, 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, 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: 119970
Total ARIN prefixes after maximum aggregation: 64949
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89671
Unique aggregates announced from the ARIN address blocks: 34705
ARIN Region origin ASes present in the Internet Routing Table: 12240
ARIN Prefixes per ASN: 7.33
ARIN Region origin ASes announcing only one prefix: 4741
ARIN Region transit ASes present in the Internet Routing Table: 1144
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353360032
Equivalent to 21 /8s, 15 /16s and 216 /24s
Percentage of available ARIN address space announced: 72.6
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
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, 173/8, 174/8,
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: 56335
Total RIPE prefixes after maximum aggregation: 34205
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51535
Unique aggregates announced from the RIPE address blocks: 34513
RIPE Region origin ASes present in the Internet Routing Table: 11539
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6041
RIPE Region transit ASes present in the Internet Routing Table: 1742
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 361948800
Equivalent to 21 /8s, 146 /16s and 230 /24s
Percentage of available RIPE address space announced: 83.0
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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 20337
Total LACNIC prefixes after maximum aggregation: 5198
LACNIC Deaggregation factor: 3.91
Prefixes being announced from the LACNIC address blocks: 18584
Unique aggregates announced from the LACNIC address blocks: 10491
LACNIC Region origin ASes present in the Internet Routing Table: 960
LACNIC Prefixes per ASN: 19.36
LACNIC Region origin ASes announcing only one prefix: 315
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 52687360
Equivalent to 3 /8s, 35 /16s and 242 /24s
Percentage of available LACNIC address space announced: 52.3
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4062
Total AfriNIC prefixes after maximum aggregation: 1204
AfriNIC Deaggregation factor: 3.37
Prefixes being announced from the AfriNIC address blocks: 4339
Unique aggregates announced from the AfriNIC address blocks: 1880
AfriNIC Region origin ASes present in the Internet Routing Table: 240
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12233216
Equivalent to 0 /8s, 186 /16s and 170 /24s
Percentage of available AfriNIC address space announced: 36.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4755 1668 387 90 Videsh Sanchar Nigam Ltd. Aut
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1163 111 420 Sify Limited
9498 1078 550 62 BHARTI BT INTERNET LTD.
4766 846 6006 343 Korea Telecom (KIX)
4134 829 12995 328 CHINANET-BACKBONE
23577 824 35 704 Korea Telecom (ATM-MPLS)
4780 704 351 63 Digital United Inc.
18101 688 167 35 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
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
209 3013 3874 622 Qwest
6389 2671 3260 199 bellsouth.net, inc.
2386 1496 663 877 AT&T Data Communications Serv
4323 1469 1044 376 Time Warner Telecom
7018 1395 5822 976 AT&T WorldNet Services
11492 1231 150 12 Cable One
1785 1080 510 104 AppliedTheory Corporation
20115 1048 1068 561 Charter Communications
18566 1045 296 10 Covad Communications
7011 1015 287 554 Citizens Utilities
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
3292 414 1788 372 TDC Tele Danmark
8452 344 188 11 TEDATA
3301 335 1460 305 TeliaNet Sweden
3320 319 7046 268 Deutsche Telekom AG
8866 319 77 21 Bulgarian Telecommunication C
5462 296 666 27 Telewest Broadband
8551 287 269 38 Bezeq International
3215 286 2742 89 France Telecom Transpac
680 274 2047 264 DFN-IP service G-WiN
6746 268 126 243 Dynamic Network Technologies,
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 1273 2464 227 UniNet S.A. de C.V.
11830 604 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
7303 469 231 65 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 411 85 48 ENTEL CHILE S.A.
11172 408 118 70 Servicios Alestra S.A de C.V
10620 397 101 68 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 334 23 98 NEWCOM AMERICAS
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
24863 475 61 30 LINKdotNET AS number
20858 397 34 3 EgyNet
3741 273 853 224 The Internet Solution
2018 201 205 85 Tertiary Education Network
5713 156 558 94 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 133 9 17 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 102 13 8 Ci Telecom Autonomous system
33776 100 6 3 Starcomms Nigeria Limited
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
209 3013 3874 622 Qwest
6389 2671 3260 199 bellsouth.net, inc.
4755 1668 387 90 Videsh Sanchar Nigam Ltd. Aut
2386 1496 663 877 AT&T Data Communications Serv
4323 1469 1044 376 Time Warner Telecom
7018 1395 5822 976 AT&T WorldNet Services
8151 1273 2464 227 UniNet S.A. de C.V.
11492 1231 150 12 Cable One
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1163 111 420 Sify Limited
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2671 2472 bellsouth.net, inc.
4755 1668 1578 Videsh Sanchar Nigam Ltd. Aut
11492 1231 1219 Cable One
17488 1188 1097 Hathway IP Over Cable Interne
4323 1469 1093 Time Warner Telecom
8151 1273 1046 UniNet S.A. de C.V.
18566 1045 1035 Covad Communications
9498 1078 1016 BHARTI BT INTERNET LTD.
1785 1080 976 AppliedTheory Corporation
22773 966 904 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 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.48.244.0/23 7843 Adelphia Corp.
24.51.159.0/24 7843 Adelphia Corp.
24.54.23.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
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 /9:9 /10:16 /11:44 /12:143
/13:281 /14:514 /15:1037 /16:9958 /17:4325 /18:7368
/19:15727 /20:18361 /21:17999 /22:22360 /23:23307 /24:136792
/25:859 /26:1032 /27:783 /28:81 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1769 3013 Qwest
6389 1670 2671 bellsouth.net, inc.
11492 1211 1231 Cable One
2386 1191 1496 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
9583 1013 1163 Sify Limited
4755 1009 1668 Videsh Sanchar Nigam Ltd. Aut
17488 1002 1188 Hathway IP Over Cable Interne
6298 976 991 Cox Communicatons
6478 947 956 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 8:118 12:2060 13:2 15:22 16:3
17:5 18:13 20:35 24:1071 25:1 32:62
38:446 40:92 41:651 43:1 44:2 47:6
52:3 55:3 56:3 57:24 58:501 59:501
60:448 61:1001 62:1188 63:2031 64:3288 65:2386
66:3533 67:1229 68:694 69:2278 70:681 71:121
72:1821 73:5 74:1028 75:159 76:299 77:738
78:710 79:199 80:950 81:848 82:612 83:393
84:577 85:1024 86:417 87:701 88:335 89:1285
90:14 91:1301 92:205 93:590 94:52 96:37
97:27 98:168 99:3 112:1 113:1 114:58
116:762 117:329 118:182 119:446 120:49 121:554
122:793 123:360 124:858 125:1153 128:362 129:202
130:131 131:409 132:67 133:9 134:177 135:33
136:220 137:87 138:145 139:93 140:489 141:99
142:415 143:311 144:365 145:51 146:364 147:154
148:511 149:197 150:120 151:191 152:131 153:136
154:10 155:277 156:174 157:277 158:186 159:240
160:276 161:114 162:239 163:187 164:523 165:449
166:319 167:327 168:620 169:136 170:428 171:30
172:10 189:242 190:2141 192:5787 193:4104 194:3221
195:2511 196:1048 198:3730 199:3274 200:5545 201:1456
202:7622 203:8020 204:3970 205:2131 206:2391 207:2772
208:3388 209:3520 210:2571 211:1051 212:1430 213:1631
214:148 215:49 216:4396 217:1199 218:339 219:412
220:1068 221:471 222:309
End of report
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