Routing Table Report 04:00 +10GMT Mon 16 Jun, 2008
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 259852
Prefixes after maximum aggregation: 128071
Deaggregation factor: 2.03
Unique aggregates announced to Internet: 126772
Total ASes present in the Internet Routing Table: 28445
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 24782
Origin ASes announcing only one prefix: 11973
Transit ASes present in the Internet Routing Table: 3663
Transit-only ASes present in the Internet Routing Table: 75
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: 621
Unregistered ASNs in the Routing Table: 226
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: 774
Number of addresses announced to Internet: 1858549472
Equivalent to 110 /8s, 199 /16s and 54 /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: 126177
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59184
Total APNIC prefixes after maximum aggregation: 22134
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 56202
Unique aggregates announced from the APNIC address blocks: 25081
APNIC Region origin ASes present in the Internet Routing Table: 3276
APNIC Prefixes per ASN: 17.16
APNIC Region origin ASes announcing only one prefix: 868
APNIC Region transit ASes present in the Internet Routing Table: 509
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 352165280
Equivalent to 20 /8s, 253 /16s and 157 /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: 120056
Total ARIN prefixes after maximum aggregation: 65035
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 89925
Unique aggregates announced from the ARIN address blocks: 34688
ARIN Region origin ASes present in the Internet Routing Table: 12217
ARIN Prefixes per ASN: 7.36
ARIN Region origin ASes announcing only one prefix: 4734
ARIN Region transit ASes present in the Internet Routing Table: 1150
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 15
Number of ARIN addresses announced to Internet: 356349600
Equivalent to 21 /8s, 61 /16s and 118 /24s
Percentage of available ARIN address space announced: 73.2
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: 55903
Total RIPE prefixes after maximum aggregation: 34010
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51088
Unique aggregates announced from the RIPE address blocks: 34311
RIPE Region origin ASes present in the Internet Routing Table: 11459
RIPE Prefixes per ASN: 4.46
RIPE Region origin ASes announcing only one prefix: 5987
RIPE Region transit ASes present in the Internet Routing Table: 1730
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 361011072
Equivalent to 21 /8s, 132 /16s and 151 /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: 20210
Total LACNIC prefixes after maximum aggregation: 5177
LACNIC Deaggregation factor: 3.90
Prefixes being announced from the LACNIC address blocks: 18449
Unique aggregates announced from the LACNIC address blocks: 10364
LACNIC Region origin ASes present in the Internet Routing Table: 953
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: 162
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: 3880
Total AfriNIC prefixes after maximum aggregation: 1200
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4153
Unique aggregates announced from the AfriNIC address blocks: 1880
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.09
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: 12346624
Equivalent to 0 /8s, 188 /16s and 101 /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 1184 550 62 BHARTI BT INTERNET LTD.
9583 1123 110 448 Sify Limited
17488 1120 78 76 Hathway IP Over Cable Interne
4766 848 6006 343 Korea Telecom (KIX)
4134 825 12917 322 CHINANET-BACKBONE
23577 819 34 703 Korea Telecom (ATM-MPLS)
18101 695 167 36 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 549 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 3008 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 1366 5808 978 AT&T WorldNet Services
11492 1230 149 13 Cable One
1785 1071 510 105 AppliedTheory Corporation
18566 1044 296 10 Covad Communications
20115 1041 1063 565 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
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
9155 267 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 1242 2464 226 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 394 101 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
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 135 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
33776 100 6 3 Starcomms Nigeria Limited
24835 88 48 6 RAYA Telecom - Egypt
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 3008 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 1366 5808 978 AT&T WorldNet Services
8151 1242 2464 226 UniNet S.A. de C.V.
11492 1230 149 13 Cable One
9498 1184 550 62 BHARTI BT INTERNET LTD.
9583 1123 110 448 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 1184 1122 BHARTI BT INTERNET LTD.
4323 1469 1091 Time Warner Telecom
17488 1120 1044 Hathway IP Over Cable Interne
18566 1044 1034 Covad Communications
8151 1242 1016 UniNet S.A. de C.V.
1785 1071 966 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 /11:42 /12:142
/13:279 /14:514 /15:1028 /16:9957 /17:4341 /18:7362
/19:15686 /20:18310 /21:17944 /22:22319 /23:23270 /24:135866
/25:837 /26:1034 /27:779 /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 3008 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
4755 973 1618 Videsh Sanchar Nigam Ltd. Aut
9583 973 1123 Sify Limited
6298 946 961 Cox Communicatons
17488 932 1120 Hathway IP Over Cable Interne
7011 927 1034 Citizens Utilities
Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:116 12:2044 13:1 15:22 16:3
17:5 18:13 20:35 24:1074 25:1 32:61
33:3 38:445 40:92 41:635 43:1 44:2
47:12 52:3 55:4 56:3 57:23 58:458
59:475 60:443 61:993 62:1076 63:2026 64:3284
65:2418 66:3634 67:1218 68:696 69:2274 70:679
71:126 72:1819 73:5 74:1006 75:220 76:298
77:721 78:714 79:191 80:913 81:846 82:569
83:391 84:565 85:1010 86:422 87:684 88:313
89:1255 90:12 91:1267 92:186 93:574 94:16
96:35 97:23 98:200 99:3 100:1 111:1
112:1 113:1 114:34 116:696 117:326 118:143
119:461 120:60 121:525 122:785 123:347 124:852
125:1138 128:362 129:206 130:130 131:402 132:66
133:9 134:177 135:33 136:218 137:86 138:151
139:78 140:400 141:99 142:404 143:343 144:355
145:51 146:363 147:154 148:503 149:191 150:130
151:193 152:143 153:136 154:10 155:273 156:174
157:273 158:168 159:240 160:266 161:114 162:232
163:184 164:530 165:447 166:321 167:327 168:614
169:138 170:429 171:29 172:10 189:196 190:2103
192:5783 193:4096 194:3201 195:2487 196:1061 198:3743
199:3271 200:5536 201:1436 202:7628 203:7919 204:3982
205:2118 206:2412 207:2793 208:3367 209:3476 210:2530
211:1018 212:1393 213:1657 214:165 215:48 216:4428
217:1195 218:349 219:416 220:1082 221:470 222:309
End of report