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Routing Table Report 00:00 GMT Tue 30 Dec, 2008
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 79036 Prefixes after maximum aggregation: 34870 Deaggregation factor: 2.27 Unique aggregates announced to Internet: 28094 Total ASes present in the Internet Routing Table: 12395 Prefixes per ASN: 6.38 Origin-only ASes present in the Internet Routing Table: 10449 Origin ASes announcing only one prefix: 6083 Transit ASes present in the Internet Routing Table: 1946 Transit-only ASes present in the Internet Routing Table: 467 Average AS path length visible in the Internet Routing Table: 3.1 Max AS path length visible: 18 Max AS path prepend of ASN (12163) 11 Prefixes from unregistered ASNs in the Routing Table: 166 Unregistered ASNs in the Routing Table: 99 Number of 32-bit ASNs allocated by the RIRs: 70 Prefixes from 32-bit ASNs in the Routing Table: 1 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 36 Number of addresses announced to Internet: 747421572 Equivalent to 44 /8s, 140 /16s and 191 /24s Percentage of available address space announced: 20.2 Percentage of allocated address space announced: 23.8 Percentage of available address space allocated: 84.6 Percentage of address space in use by end-sites: 75.0 Total number of prefixes smaller than registry allocations: 57720
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 7359 Total APNIC prefixes after maximum aggregation: 1738 APNIC Deaggregation factor: 4.23 Prefixes being announced from the APNIC address blocks: 7250 Unique aggregates announced from the APNIC address blocks: 1940 APNIC Region origin ASes present in the Internet Routing Table: 570 APNIC Prefixes per ASN: 12.72 APNIC Region origin ASes announcing only one prefix: 192 APNIC Region transit ASes present in the Internet Routing Table: 162 Average APNIC Region AS path length visible: 3.4 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 61384192 Equivalent to 3 /8s, 168 /16s and 166 /24s Percentage of available APNIC address space announced: 12.2
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, 110/8, 111/8, 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: 52465 Total ARIN prefixes after maximum aggregation: 24605 ARIN Deaggregation factor: 2.13 Prefixes being announced from the ARIN address blocks: 47241 Unique aggregates announced from the ARIN address blocks: 15346 ARIN Region origin ASes present in the Internet Routing Table: 7168 ARIN Prefixes per ASN: 6.59 ARIN Region origin ASes announcing only one prefix: 3772 ARIN Region transit ASes present in the Internet Routing Table: 743 Average ARIN Region AS path length visible: 2.9 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 235761664 Equivalent to 14 /8s, 13 /16s and 112 /24s Percentage of available ARIN address space announced: 45.3
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, 108/8, 173/8, 174/8, 184/8, 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: 16723 Total RIPE prefixes after maximum aggregation: 7754 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 16457 Unique aggregates announced from the RIPE address blocks: 9334 RIPE Region origin ASes present in the Internet Routing Table: 3849 RIPE Prefixes per ASN: 4.28 RIPE Region origin ASes announcing only one prefix: 2027 RIPE Region transit ASes present in the Internet Routing Table: 909 Average RIPE Region AS path length visible: 3.3 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 158253824 Equivalent to 9 /8s, 110 /16s and 195 /24s Percentage of available RIPE address space announced: 36.3
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, 47104-49151 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: 376 Total LACNIC prefixes after maximum aggregation: 187 LACNIC Deaggregation factor: 2.01 Prefixes being announced from the LACNIC address blocks: 44 Unique aggregates announced from the LACNIC address blocks: 22 LACNIC Region origin ASes present in the Internet Routing Table: 77 LACNIC Prefixes per ASN: 0.57 LACNIC Region origin ASes announcing only one prefix: 38 LACNIC Region transit ASes present in the Internet Routing Table: 33 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 130304 Equivalent to 0 /8s, 1 /16s and 253 /24s Percentage of available LACNIC address space announced: 0.1
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: 1947 Total AfriNIC prefixes after maximum aggregation: 446 AfriNIC Deaggregation factor: 4.37 Prefixes being announced from the AfriNIC address blocks: 2391 Unique aggregates announced from the AfriNIC address blocks: 1089 AfriNIC Region origin ASes present in the Internet Routing Table: 170 AfriNIC Prefixes per ASN: 14.06 AfriNIC Region origin ASes announcing only one prefix: 54 AfriNIC Region transit ASes present in the Internet Routing Table: 45 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 8956544 Equivalent to 0 /8s, 136 /16s and 170 /24s Percentage of available AfriNIC address space announced: 17.8
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4538 497 544 3 China Education and Research 17488 373 24 2 Hathway IP Over Cable Interne 9829 352 256 3 BSNL National Internet Backbo 4755 300 113 7 Videsh Sanchar Nigam Ltd. Aut 17908 258 49 87 Tata Communications 4134 211 2749 63 CHINANET-BACKBONE 7545 188 48 2 TPG Internet Pty Ltd 9498 155 58 4 BHARTI BT INTERNET LTD. 4766 105 737 10 Korea Telecom (KIX) 17816 104 80 3 Backbone Network of Jiangsu p
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 2938 2442 34 bellsouth.net, inc. 20115 1577 1130 580 Charter Communications 11492 1202 144 10 Cable One 18566 1060 296 10 Covad Communications 6478 1026 199 363 AT&T Worldnet Services 1785 973 347 45 AppliedTheory Corporation 22773 773 1821 24 Cox Communications, Inc. 7011 757 204 457 Citizens Utilities 2386 704 100 597 AT&T Data Communications Serv 3356 583 9137 91 Level 3 Communications, LLC
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 12479 320 320 3 Uni2 Autonomous System 8551 262 259 14 Bezeq International 8452 236 136 2 TEDATA 8877 148 12 2 BOL.BG Autonomous System 25233 145 27 5 Awalnet 3269 139 1981 32 TELECOM ITALIA 9121 136 842 6 TTnet Autonomous System 9155 131 21 3 QualityNet AS number 8866 111 41 11 Bulgarian Telecommunication C 12491 108 21 54 IPPlanet
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 23216 59 3 12 RAMtelecom Telecomunicaciones 10620 30 10 2 TVCABLE BOGOTA 6458 27 7 9 GUATEL 27696 27 1 9 Multidata S.A. 12127 21 2 10 Telefonica de El Salvador 26608 15 4 1 SkyOnline do Brasil Ltda 26210 13 1 6 Latin American and Caribbean 7910 12 1 5 COLDECON 10318 12 16 1 CABLEVISION S.A. 6505 11 18 5 Global One Communicaoes Ltda
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 349 49 42 LINKdotNET AS number 20858 257 34 3 EgyNet 33783 144 10 17 EEPAD TISP TELECOM & INTERNET 33776 114 6 2 Starcomms Nigeria Limited 6713 95 88 3 Itissalat Al-MAGHRIB 29571 76 10 4 Ci Telecom Autonomous system 5536 64 4 1 Internet Egypt Network 29975 41 504 10 Vodacom 33774 35 37 18 AS Number for Telecom Algeria 36915 28 2 1 Africa Online Kenya
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 2938 2442 34 bellsouth.net, inc. 20115 1577 1130 580 Charter Communications 11492 1202 144 10 Cable One 18566 1060 296 10 Covad Communications 6478 1026 199 363 AT&T Worldnet Services 1785 973 347 45 AppliedTheory Corporation 22773 773 1821 24 Cox Communications, Inc. 7011 757 204 457 Citizens Utilities 2386 704 100 597 AT&T Data Communications Serv 3356 583 9137 91 Level 3 Communications, LLC
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 11492 1202 1192 Cable One 18566 1060 1050 Covad Communications 20115 1577 997 Charter Communications 1785 973 928 AppliedTheory Corporation 22773 773 749 Cox Communications, Inc. 6478 1026 663 AT&T Worldnet Services 4538 497 494 China Education and Research 3356 583 492 Level 3 Communications, LLC 6517 497 487 Yipes Communications, Inc. 33588 469 463 Bresnan Communications, LLC.
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 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 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.246.47/32 286 KPNQwest Backbone AS 10.29.246.48/32 286 KPNQwest Backbone AS 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 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 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/rviews/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 /8:17 /9:8 /10:6 /11:25 /12:71 /13:121 /14:186 /15:379 /16:1854 /17:1591 /18:2682 /19:5346 /20:8206 /21:6341 /22:8125 /23:8483 /24:35425 /25:37 /26:27 /27:41 /28:29 /29:25 /30:1 /31:0 /32:10
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1964 2938 bellsouth.net, inc. 11492 1180 1202 Cable One 18566 1041 1060 Covad Communications 6478 1026 1026 AT&T Worldnet Services 1785 873 973 AppliedTheory Corporation 20115 870 1577 Charter Communications 2386 703 704 AT&T Data Communications Serv 7011 688 757 Citizens Utilities 3356 502 583 Level 3 Communications, LLC 6517 485 497 Yipes Communications, Inc.
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:12 5:1 8:176 12:2229 13:2 15:21 16:3 17:5 20:35 24:1123 32:139 38:534 40:96 41:875 43:1 44:2 47:9 52:3 55:3 56:3 57:47 58:568 59:669 60:456 61:1118 62:1150 63:1934 64:3432 65:2441 66:3651 67:1441 68:660 69:2438 70:530 71:174 72:1608 73:7 74:1342 75:194 76:308 77:904 78:517 79:301 80:943 81:842 82:579 83:380 84:594 85:925
End of report
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