Routing Table Report 04:00 +10GMT Tue 17 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 260135
Prefixes after maximum aggregation: 128000
Deaggregation factor: 2.03
Unique aggregates announced to Internet: 126609
Total ASes present in the Internet Routing Table: 28459
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24795
Origin ASes announcing only one prefix: 11979
Transit ASes present in the Internet Routing Table: 3664
Transit-only ASes present in the Internet Routing Table: 79
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: 228
Number of 32-bit ASNs allocated by the RIRs: 47
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: 776
Number of addresses announced to Internet: 1862871520
Equivalent to 111 /8s, 9 /16s and 41 /24s
Percentage of available address space announced: 50.3
Percentage of allocated address space announced: 61.0
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: 126427
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59129
Total APNIC prefixes after maximum aggregation: 22085
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 56147
Unique aggregates announced from the APNIC address blocks: 24897
APNIC Region origin ASes present in the Internet Routing Table: 3275
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 869
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: 17
Number of APNIC addresses announced to Internet: 355960992
Equivalent to 21 /8s, 55 /16s and 136 /24s
Percentage of available APNIC address space announced: 75.8
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: 120129
Total ARIN prefixes after maximum aggregation: 65011
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89881
Unique aggregates announced from the ARIN address blocks: 34691
ARIN Region origin ASes present in the Internet Routing Table: 12226
ARIN Prefixes per ASN: 7.35
ARIN Region origin ASes announcing only one prefix: 4741
ARIN Region transit ASes present in the Internet Routing Table: 1152
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356550560
Equivalent to 21 /8s, 64 /16s and 135 /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: 56039
Total RIPE prefixes after maximum aggregation: 34020
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51223
Unique aggregates announced from the RIPE address blocks: 34299
RIPE Region origin ASes present in the Internet Routing Table: 11459
RIPE Prefixes per ASN: 4.47
RIPE Region origin ASes announcing only one prefix: 5986
RIPE Region transit ASes present in the Internet Routing Table: 1726
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 360999552
Equivalent to 21 /8s, 132 /16s and 106 /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: 20230
Total LACNIC prefixes after maximum aggregation: 5166
LACNIC Deaggregation factor: 3.92
Prefixes being announced from the LACNIC address blocks: 18469
Unique aggregates announced from the LACNIC address blocks: 10368
LACNIC Region origin ASes present in the Internet Routing Table: 954
LACNIC Prefixes per ASN: 19.36
LACNIC Region origin ASes announcing only one prefix: 304
LACNIC Region transit ASes present in the Internet Routing Table: 161
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 52297472
Equivalent to 3 /8s, 29 /16s and 255 /24s
Percentage of available LACNIC address space announced: 52.0
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: 3987
Total AfriNIC prefixes after maximum aggregation: 1202
AfriNIC Deaggregation factor: 3.32
Prefixes being announced from the AfriNIC address blocks: 4258
Unique aggregates announced from the AfriNIC address blocks: 1885
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.52
AfriNIC Region origin ASes announcing only one prefix: 79
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: 12355328
Equivalent to 0 /8s, 188 /16s and 135 /24s
Percentage of available AfriNIC address space announced: 36.8
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 1183 550 63 BHARTI BT INTERNET LTD.
9583 1126 111 411 Sify Limited
17488 1120 78 76 Hathway IP Over Cable Interne
4766 848 6006 343 Korea Telecom (KIX)
4134 826 12981 323 CHINANET-BACKBONE
23577 821 34 703 Korea Telecom (ATM-MPLS)
18101 695 167 36 Reliance Infocom Ltd Internet
9829 597 450 12 BSNL National Internet Backbo
1221 552 1919 425 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 3011 3874 620 Qwest
6389 2355 3138 188 bellsouth.net, inc.
2386 1490 659 874 AT&T Data Communications Serv
4323 1469 1045 378 Time Warner Telecom
7018 1372 5810 981 AT&T WorldNet Services
11492 1230 149 13 Cable One
1785 1070 510 105 AppliedTheory Corporation
18566 1044 296 10 Covad Communications
20115 1042 1064 565 Charter Communications
7011 1035 289 570 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 344 186 11 TEDATA
3301 336 1460 306 TeliaNet Sweden
8866 319 77 21 Bulgarian Telecommunication C
3320 316 7045 266 Deutsche Telekom AG
5462 292 666 27 Telewest Broadband
3215 285 2742 89 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
6746 264 125 239 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 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 393 100 72 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 332 23 97 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 312 34 3 EgyNet
3741 283 853 224 The Internet Solution
2018 192 189 82 Tertiary Education Network
5713 163 558 99 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 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 3011 3874 620 Qwest
6389 2355 3138 188 bellsouth.net, inc.
4755 1618 387 89 Videsh Sanchar Nigam Ltd. Aut
2386 1490 659 874 AT&T Data Communications Serv
4323 1469 1045 378 Time Warner Telecom
7018 1372 5810 981 AT&T WorldNet Services
8151 1245 2464 227 UniNet S.A. de C.V.
11492 1230 149 13 Cable One
9498 1183 550 63 BHARTI BT INTERNET LTD.
9583 1126 111 411 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 2355 2167 bellsouth.net, inc.
4755 1618 1529 Videsh Sanchar Nigam Ltd. Aut
11492 1230 1217 Cable One
9498 1183 1120 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 1070 965 AppliedTheory Corporation
22773 960 898 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 /11:43 /12:143
/13:280 /14:514 /15:1030 /16:9960 /17:4341 /18:7366
/19:15692 /20:18301 /21:17939 /22:22316 /23:23259 /24:136214
/25:815 /26:1002 /27:780 /28:80 /29:9 /30:1
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
209 1767 3011 Qwest
6389 1452 2355 bellsouth.net, inc.
11492 1211 1230 Cable One
2386 1185 1490 AT&T Data Communications Serv
18566 1025 1044 Covad Communications
9583 975 1126 Sify Limited
4755 973 1618 Videsh Sanchar Nigam Ltd. Aut
6298 946 961 Cox Communicatons
6478 942 943 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 8:116 12:2053 13:1 15:22 16:3
17:5 18:13 20:35 24:1075 25:1 32:61
33:3 38:445 40:92 41:641 43:1 44:2
47:12 52:3 55:4 56:3 57:23 58:460
59:476 60:443 61:993 62:1165 63:2029 64:3286
65:2418 66:3637 67:1218 68:696 69:2272 70:679
71:126 72:1817 73:5 74:1007 75:220 76:299
77:727 78:698 79:194 80:951 81:846 82:591
83:395 84:566 85:1012 86:423 87:692 88:329
89:1262 90:12 91:1280 92:191 93:574 94:16
96:36 97:23 98:200 99:3 100:1 111:1
112:1 113:1 114:33 116:700 117:326 118:146
119:459 120:40 121:527 122:783 123:347 124:852
125:1139 128:362 129:204 130:131 131:403 132:67
133:9 134:177 135:33 136:218 137:87 138:151
139:78 140:498 141:99 142:404 143:341 144:354
145:51 146:361 147:154 148:505 149:191 150:130
151:193 152:143 153:136 154:10 155:273 156:174
157:273 158:168 159:240 160:266 161:114 162:232
163:183 164:529 165:447 166:321 167:327 168:612
169:139 170:429 171:29 172:10 189:197 190:2110
192:5795 193:4096 194:3201 195:2487 196:1069 198:3742
199:3260 200:5546 201:1438 202:7615 203:7920 204:3985
205:2118 206:2413 207:2800 208:3364 209:3476 210:2527
211:1017 212:1403 213:1679 214:165 215:49 216:4430
217:1193 218:349 219:415 220:1080 221:470 222:303
End of report