[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jun 14 04:08:03 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 14 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 259901
Prefixes after maximum aggregation: 128080
Deaggregation factor: 2.03
Unique aggregates announced to Internet: 126786
Total ASes present in the Internet Routing Table: 28442
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24790
Origin ASes announcing only one prefix: 11978
Transit ASes present in the Internet Routing Table: 3652
Transit-only ASes present in the Internet Routing Table: 78
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: 623
Unregistered ASNs in the Routing Table: 229
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: 780
Number of addresses announced to Internet: 1858706912
Equivalent to 110 /8s, 201 /16s and 157 /24s
Percentage of available address space announced: 50.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.2
Total number of prefixes smaller than registry allocations: 126226
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59132
Total APNIC prefixes after maximum aggregation: 22129
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 56160
Unique aggregates announced from the APNIC address blocks: 25128
APNIC Region origin ASes present in the Internet Routing Table: 3275
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 869
APNIC Region transit ASes present in the Internet Routing Table: 508
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 352137632
Equivalent to 20 /8s, 253 /16s and 49 /24s
Percentage of available APNIC address space announced: 75.0
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: 120109
Total ARIN prefixes after maximum aggregation: 65072
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89906
Unique aggregates announced from the ARIN address blocks: 34679
ARIN Region origin ASes present in the Internet Routing Table: 12213
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4736
ARIN Region transit ASes present in the Internet Routing Table: 1147
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356411552
Equivalent to 21 /8s, 62 /16s and 104 /24s
Percentage of available ARIN address space announced: 73.3
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
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: 55926
Total RIPE prefixes after maximum aggregation: 34008
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51103
Unique aggregates announced from the RIPE address blocks: 34277
RIPE Region origin ASes present in the Internet Routing Table: 11456
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 5988
RIPE Region transit ASes present in the Internet Routing Table: 1725
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 360988032
Equivalent to 21 /8s, 132 /16s and 61 /24s
Percentage of available RIPE address space announced: 82.8
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: 20218
Total LACNIC prefixes after maximum aggregation: 5155
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 18456
Unique aggregates announced from the LACNIC address blocks: 10363
LACNIC Region origin ASes present in the Internet Routing Table: 954
LACNIC Prefixes per ASN: 19.35
LACNIC Region origin ASes announcing only one prefix: 305
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: 52287232
Equivalent to 3 /8s, 29 /16s and 215 /24s
Percentage of available LACNIC address space announced: 51.9
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: 3895
Total AfriNIC prefixes after maximum aggregation: 1200
AfriNIC Deaggregation factor: 3.25
Prefixes being announced from the AfriNIC address blocks: 4168
Unique aggregates announced from the AfriNIC address blocks: 1875
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.15
AfriNIC Region origin ASes announcing only one prefix: 80
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: 14
Number of AfriNIC addresses announced to Internet: 12316160
Equivalent to 0 /8s, 187 /16s and 238 /24s
Percentage of available AfriNIC address space announced: 36.7
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 1618 387 89 Videsh Sanchar Nigam Ltd. Aut
9498 1181 550 62 BHARTI BT INTERNET LTD.
17488 1120 78 76 Hathway IP Over Cable Interne
9583 1116 110 450 Sify Limited
4766 850 6006 343 Korea Telecom (KIX)
4134 824 12915 321 CHINANET-BACKBONE
23577 820 34 702 Korea Telecom (ATM-MPLS)
18101 693 167 36 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 550 1919 423 Telstra Pty Ltd
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 3009 3874 620 Qwest
6389 2355 3138 188 bellsouth.net, inc.
4323 1469 1045 378 Time Warner Telecom
2386 1453 660 875 AT&T Data Communications Serv
7018 1370 5810 980 AT&T WorldNet Services
11492 1228 148 12 Cable One
1785 1066 510 105 AppliedTheory Corporation
18566 1044 296 10 Covad Communications
20115 1040 1062 564 Charter Communications
7011 1034 289 569 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 412 1772 371 TDC Tele Danmark
8452 347 188 7 TEDATA
3301 338 1460 308 TeliaNet Sweden
8866 319 77 21 Bulgarian Telecommunication C
3320 315 7045 265 Deutsche Telekom AG
3215 285 2742 89 France Telecom Transpac
8551 283 269 38 Bezeq International
5462 275 666 27 Telewest Broadband
680 274 2047 264 DFN-IP service G-WiN
9155 268 45 10 QualityNet AS number
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 1245 2464 227 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
7303 468 229 66 Telecom Argentina Stet-France
16814 426 27 10 NSS, S.A.
6471 413 85 46 ENTEL CHILE S.A.
11172 411 118 69 Servicios Alestra S.A de C.V
10620 392 100 71 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 340 24 92 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
3741 282 853 223 The Internet Solution
20858 220 34 3 EgyNet
2018 192 189 82 Tertiary Education Network
5713 163 558 99 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 103 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 3009 3874 620 Qwest
6389 2355 3138 188 bellsouth.net, inc.
4755 1618 387 89 Videsh Sanchar Nigam Ltd. Aut
4323 1469 1045 378 Time Warner Telecom
2386 1453 660 875 AT&T Data Communications Serv
7018 1370 5810 980 AT&T WorldNet Services
8151 1245 2464 227 UniNet S.A. de C.V.
11492 1228 148 12 Cable One
9498 1181 550 62 BHARTI BT INTERNET LTD.
17488 1120 78 76 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2355 2167 bellsouth.net, inc.
4755 1618 1529 Videsh Sanchar Nigam Ltd. Aut
11492 1228 1216 Cable One
9498 1181 1119 BHARTI BT INTERNET LTD.
4323 1469 1091 Time Warner Telecom
17488 1120 1044 Hathway IP Over Cable Interne
18566 1044 1034 Covad Communications
8151 1245 1018 UniNet S.A. de C.V.
1785 1066 961 AppliedTheory Corporation
22773 957 895 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
24.51.159.0/24 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
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
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 /11:42 /12:142
/13:279 /14:514 /15:1028 /16:9958 /17:4337 /18:7359
/19:15676 /20:18305 /21:17924 /22:22319 /23:23253 /24:135965
/25:841 /26:1035 /27:782 /28:81 /29:10 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1764 3009 Qwest
6389 1452 2355 bellsouth.net, inc.
11492 1210 1228 Cable One
2386 1150 1453 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
4755 973 1618 Videsh Sanchar Nigam Ltd. Aut
9583 971 1116 Sify Limited
6298 946 961 Cox Communicatons
6478 941 942 AT&T Worldnet Services
17488 932 1120 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:114 12:2049 13:1 15:22 16:3
17:5 18:13 20:35 24:1075 25:1 32:61
33:3 38:440 40:92 41:645 43:1 44:2
47:12 52:3 55:4 56:3 57:23 58:458
59:475 60:443 61:991 62:1100 63:2030 64:3275
65:2419 66:3636 67:1211 68:695 69:2273 70:679
71:126 72:1815 73:5 74:1002 75:220 76:299
77:727 78:706 79:194 80:914 81:849 82:563
83:392 84:565 85:1011 86:422 87:694 88:313
89:1257 90:12 91:1267 92:186 93:574 94:16
96:34 97:23 98:200 99:3 100:1 111:1
112:1 113:1 114:34 116:695 117:326 118:143
119:460 120:59 121:525 122:781 123:346 124:850
125:1137 128:331 129:204 130:130 131:401 132:67
133:9 134:177 135:33 136:218 137:91 138:151
139:78 140:498 141:99 142:403 143:335 144:356
145:51 146:363 147:154 148:505 149:191 150:130
151:193 152:143 153:136 154:10 155:273 156:174
157:273 158:168 159:239 160:266 161:105 162:232
163:184 164:530 165:447 166:316 167:328 168:615
169:138 170:429 171:29 172:10 189:196 190:2103
192:5792 193:4094 194:3200 195:2488 196:1065 198:3740
199:3273 200:5541 201:1441 202:7631 203:7925 204:3986
205:2122 206:2412 207:2795 208:3365 209:3477 210:2520
211:1018 212:1399 213:1662 214:163 215:48 216:4426
217:1196 218:348 219:416 220:1083 221:469 222:308
End of report
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