Routing Table Report 04:00 +10GMT Mon 30 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 261251
Prefixes after maximum aggregation: 128321
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 127397
Total ASes present in the Internet Routing Table: 28575
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24907
Origin ASes announcing only one prefix: 12056
Transit ASes present in the Internet Routing Table: 3668
Transit-only ASes present in the Internet Routing Table: 81
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: 610
Unregistered ASNs in the Routing Table: 223
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: 773
Number of addresses announced to Internet: 1864705632
Equivalent to 111 /8s, 37 /16s and 38 /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: 127178
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59817
Total APNIC prefixes after maximum aggregation: 22239
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 56824
Unique aggregates announced from the APNIC address blocks: 25238
APNIC Region origin ASes present in the Internet Routing Table: 3285
APNIC Prefixes per ASN: 17.30
APNIC Region origin ASes announcing only one prefix: 877
APNIC Region transit ASes present in the Internet Routing Table: 511
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 359872288
Equivalent to 21 /8s, 115 /16s and 55 /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: 119944
Total ARIN prefixes after maximum aggregation: 64949
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89654
Unique aggregates announced from the ARIN address blocks: 34705
ARIN Region origin ASes present in the Internet Routing Table: 12243
ARIN Prefixes per ASN: 7.32
ARIN Region origin ASes announcing only one prefix: 4742
ARIN Region transit ASes present in the Internet Routing Table: 1149
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 353380512
Equivalent to 21 /8s, 16 /16s and 40 /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: 56401
Total RIPE prefixes after maximum aggregation: 34226
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51600
Unique aggregates announced from the RIPE address blocks: 34551
RIPE Region origin ASes present in the Internet Routing Table: 11545
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 6044
RIPE Region transit ASes present in the Internet Routing Table: 1740
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 362022528
Equivalent to 21 /8s, 148 /16s and 6 /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: 20424
Total LACNIC prefixes after maximum aggregation: 5199
LACNIC Deaggregation factor: 3.93
Prefixes being announced from the LACNIC address blocks: 18648
Unique aggregates announced from the LACNIC address blocks: 10531
LACNIC Region origin ASes present in the Internet Routing Table: 963
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: 52781568
Equivalent to 3 /8s, 37 /16s and 98 /24s
Percentage of available LACNIC address space announced: 52.4
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: 4058
Total AfriNIC prefixes after maximum aggregation: 1206
AfriNIC Deaggregation factor: 3.36
Prefixes being announced from the AfriNIC address blocks: 4341
Unique aggregates announced from the AfriNIC address blocks: 1886
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.94
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12236288
Equivalent to 0 /8s, 186 /16s and 182 /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 1661 340 176 Videsh Sanchar Nigam Ltd. Aut
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1157 110 418 Sify Limited
9498 1079 550 62 BHARTI BT INTERNET LTD.
4766 846 6006 343 Korea Telecom (KIX)
4134 828 12993 327 CHINANET-BACKBONE
23577 825 35 705 Korea Telecom (ATM-MPLS)
4780 704 351 63 Digital United Inc.
18101 686 167 34 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 3010 3874 622 Qwest
6389 2670 3260 199 bellsouth.net, inc.
2386 1492 663 877 AT&T Data Communications Serv
4323 1471 1045 377 Time Warner Telecom
7018 1395 5822 976 AT&T WorldNet Services
11492 1232 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 347 188 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 410 118 70 Servicios Alestra S.A de C.V
10620 404 106 65 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 335 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 155 558 93 Telkom SA Ltd
6713 143 135 11 Itissalat Al-MAGHRIB
33783 135 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 102 13 8 Ci Telecom Autonomous system
33776 99 6 8 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 3010 3874 622 Qwest
6389 2670 3260 199 bellsouth.net, inc.
4755 1661 340 176 Videsh Sanchar Nigam Ltd. Aut
2386 1492 663 877 AT&T Data Communications Serv
4323 1471 1045 377 Time Warner Telecom
7018 1395 5822 976 AT&T WorldNet Services
8151 1273 2464 227 UniNet S.A. de C.V.
11492 1232 150 12 Cable One
17488 1188 82 91 Hathway IP Over Cable Interne
9583 1157 110 418 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 2670 2471 bellsouth.net, inc.
4755 1661 1485 Videsh Sanchar Nigam Ltd. Aut
11492 1232 1220 Cable One
17488 1188 1097 Hathway IP Over Cable Interne
4323 1471 1094 Time Warner Telecom
8151 1273 1046 UniNet S.A. de C.V.
18566 1045 1035 Covad Communications
9498 1079 1017 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 /16:9965 /17:4329 /18:7373
/19:15735 /20:18375 /21:18023 /22:22438 /23:23351 /24:136831
/25:858 /26:1029 /27:782 /28:83 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1766 3010 Qwest
6389 1669 2670 bellsouth.net, inc.
11492 1212 1232 Cable One
2386 1187 1492 AT&T Data Communications Serv
18566 1026 1045 Covad Communications
4755 1008 1661 Videsh Sanchar Nigam Ltd. Aut
9583 1008 1157 Sify Limited
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 8:119 12:2068 13:2 15:22 16:3
17:5 18:13 20:35 24:1077 25:1 32:62
38:445 40:92 41:650 43:1 44:2 47:12
52:3 55:3 56:3 57:24 58:497 59:501
60:449 61:996 62:1193 63:2031 64:3286 65:2388
66:3534 67:1231 68:694 69:2263 70:681 71:120
72:1817 73:5 74:1029 75:159 76:299 77:736
78:710 79:197 80:954 81:848 82:613 83:395
84:576 85:1025 86:416 87:701 88:335 89:1288
90:13 91:1299 92:207 93:592 94:52 96:37
97:27 98:168 99:3 112:1 113:1 114:59
116:757 117:332 118:182 119:450 120:57 121:553
122:794 123:359 124:858 125:1153 128:362 129:202
130:131 131:409 132:67 133:9 134:164 135:33
136:221 137:87 138:145 139:93 140:490 141:99
142:407 143:306 144:364 145:51 146:364 147:156
148:503 149:198 150:129 151:191 152:131 153:136
154:10 155:277 156:174 157:277 158:186 159:240
160:276 161:114 162:238 163:187 164:523 165:450
166:316 167:326 168:627 169:136 170:428 171:30
172:10 189:241 190:2141 192:5786 193:4100 194:3226
195:2515 196:1045 198:3735 199:3267 200:5565 201:1458
202:7625 203:8022 204:3972 205:2129 206:2382 207:2762
208:3401 209:3513 210:2576 211:1054 212:1431 213:1636
214:148 215:49 216:4404 217:1199 218:345 219:414
220:1067 221:471 222:309
End of report