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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Mon 19 Jan, 2009
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: 53916 Prefixes after maximum aggregation: 24164 Deaggregation factor: 2.23 Unique aggregates announced to Internet: 16002 Total ASes present in the Internet Routing Table: 8720 Prefixes per ASN: 6.18 Origin-only ASes present in the Internet Routing Table: 7399 Origin ASes announcing only one prefix: 4300 Transit ASes present in the Internet Routing Table: 1321 Transit-only ASes present in the Internet Routing Table: 424 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 19 Max AS path prepend of ASN ( 7106) 16 Prefixes from unregistered ASNs in the Routing Table: 137 Unregistered ASNs in the Routing Table: 97 Number of 32-bit ASNs allocated by the RIRs: 78 Prefixes from 32-bit ASNs in the Routing Table: 1 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 57 Number of addresses announced to Internet: 514713219 Equivalent to 30 /8s, 173 /16s and 230 /24s Percentage of available address space announced: 13.9 Percentage of allocated address space announced: 16.4 Percentage of available address space allocated: 84.6 Percentage of address space in use by end-sites: 75.3 Total number of prefixes smaller than registry allocations: 42038
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 6856 Total APNIC prefixes after maximum aggregation: 1660 APNIC Deaggregation factor: 4.13 Prefixes being announced from the APNIC address blocks: 6775 Unique aggregates announced from the APNIC address blocks: 1927 APNIC Region origin ASes present in the Internet Routing Table: 567 APNIC Prefixes per ASN: 11.95 APNIC Region origin ASes announcing only one prefix: 191 APNIC Region transit ASes present in the Internet Routing Table: 156 Average APNIC Region AS path length visible: 3.4 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 61383936 Equivalent to 3 /8s, 168 /16s and 165 /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: 41750 Total ARIN prefixes after maximum aggregation: 20666 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 37054 Unique aggregates announced from the ARIN address blocks: 11755 ARIN Region origin ASes present in the Internet Routing Table: 6722 ARIN Prefixes per ASN: 5.51 ARIN Region origin ASes announcing only one prefix: 3626 ARIN Region transit ASes present in the Internet Routing Table: 727 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 145889024 Equivalent to 8 /8s, 178 /16s and 23 /24s Percentage of available ARIN address space announced: 28.1
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: 3305 Total RIPE prefixes after maximum aggregation: 1164 RIPE Deaggregation factor: 2.84 Prefixes being announced from the RIPE address blocks: 2216 Unique aggregates announced from the RIPE address blocks: 997 RIPE Region origin ASes present in the Internet Routing Table: 684 RIPE Prefixes per ASN: 3.24 RIPE Region origin ASes announcing only one prefix: 393 RIPE Region transit ASes present in the Internet Routing Table: 299 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 15595776 Equivalent to 0 /8s, 237 /16s and 249 /24s Percentage of available RIPE address space announced: 3.6
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: 305 Total LACNIC prefixes after maximum aggregation: 182 LACNIC Deaggregation factor: 1.68 Prefixes being announced from the LACNIC address blocks: 38 Unique aggregates announced from the LACNIC address blocks: 16 LACNIC Region origin ASes present in the Internet Routing Table: 75 LACNIC Prefixes per ASN: 0.51 LACNIC Region origin ASes announcing only one prefix: 38 LACNIC Region transit ASes present in the Internet Routing Table: 31 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 128768 Equivalent to 0 /8s, 1 /16s and 247 /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: 1564 Total AfriNIC prefixes after maximum aggregation: 367 AfriNIC Deaggregation factor: 4.26 Prefixes being announced from the AfriNIC address blocks: 2593 Unique aggregates announced from the AfriNIC address blocks: 936 AfriNIC Region origin ASes present in the Internet Routing Table: 158 AfriNIC Prefixes per ASN: 16.41 AfriNIC Region origin ASes announcing only one prefix: 52 AfriNIC Region transit ASes present in the Internet Routing Table: 44 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 8585088 Equivalent to 0 /8s, 130 /16s and 255 /24s Percentage of available AfriNIC address space announced: 17.1
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 17488 373 24 2 Hathway IP Over Cable Interne 9829 355 256 3 BSNL National Internet Backbo 4755 290 62 13 Videsh Sanchar Nigam Ltd. Aut 17908 264 55 21 Tata Communications 4134 193 2749 64 CHINANET-BACKBONE 7545 188 48 2 TPG Internet Pty Ltd 9498 151 58 4 BHARTI BT INTERNET LTD. 4766 103 737 9 Korea Telecom (KIX) 18049 100 13 5 TAIWAN Network Information Ce 17676 98 1559 15 Softbank BB Corp.
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 2010 1158 27 bellsouth.net, inc. 20115 1465 904 440 Charter Communications 11492 978 124 8 Cable One 18566 786 208 6 Covad Communications 2386 711 109 600 AT&T Data Communications Serv 1785 703 283 41 AppliedTheory Corporation 22773 659 1308 18 Cox Communications, Inc. 6478 486 73 379 AT&T Worldnet Services 3356 470 9093 82 Level 3 Communications, LLC 6517 365 41 7 Yipes Communications, Inc.
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 8452 818 128 1 TEDATA 9155 121 16 1 QualityNet AS number 12479 51 32 1 Uni2 Autonomous System 16229 48 4 2 ThunderNet Ltd 3300 41 8 2 AUCS Communications Services 12491 40 8 23 IPPlanet 2647 38 4096 5 SITA 12715 33 32 1 Jazz Telecom S.A. 15723 33 2 1 Azeronline Information Servic 16130 33 2 1 FiberLink Networks Autonomous
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 27696 27 1 9 Multidata S.A. 10620 26 10 6 TVCABLE BOGOTA 27947 24 3 14 Telconet 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 10318 12 16 1 CABLEVISION S.A. 6458 11 4 4 GUATEL 6505 11 18 5 Global One Communicaoes Ltda 18678 8 1 7 Interconexion Electrica S.A.
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 353 43 32 LINKdotNET AS number 33776 112 6 2 Starcomms Nigeria Limited 29571 84 10 4 Ci Telecom Autonomous system 20858 79 16 1 EgyNet 6713 76 72 2 Itissalat Al-MAGHRIB 5536 64 4 1 Internet Egypt Network 33783 44 4 5 EEPAD TISP TELECOM & INTERNET 29975 41 504 10 Vodacom 36915 30 2 1 Africa Online Kenya 16637 27 24 6 Johnnic e-Ventures
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 2010 1158 27 bellsouth.net, inc. 20115 1465 904 440 Charter Communications 11492 978 124 8 Cable One 8452 818 128 1 TEDATA 18566 786 208 6 Covad Communications 2386 711 109 600 AT&T Data Communications Serv 1785 703 283 41 AppliedTheory Corporation 22773 659 1308 18 Cox Communications, Inc. 6478 486 73 379 AT&T Worldnet Services 3356 470 9093 82 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 20115 1465 1025 Charter Communications 11492 978 970 Cable One 8452 818 817 TEDATA 18566 786 780 Covad Communications 1785 703 662 AppliedTheory Corporation 22773 659 641 Cox Communications, Inc. 3356 470 388 Level 3 Communications, LLC 17488 373 371 Hathway IP Over Cable Interne 6517 365 358 Yipes Communications, Inc. 9829 355 352 BSNL National Internet Backbo
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 10.29.246.48/32 286 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. 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.208.128.0/18 8346 SONATEL-AS Autonomous System 41.214.0.0/17 8346 SONATEL-AS Autonomous System 41.220.16.0/20 8668 TelOne Zimbabwe P/L 41.223.112.0/22 5713 Telkom SA Ltd 41.223.132.0/24 12491 IPPlanet 41.223.133.0/24 12491 IPPlanet
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 /8:16 /9:8 /10:2 /11:9 /12:43 /13:76 /14:102 /15:185 /16:1145 /17:848 /18:1632 /19:3268 /20:4955 /21:3788 /22:5234 /23:5897 /24:26575 /25:35 /26:18 /27:24 /28:24 /29:23 /30:0 /31:0 /32:9
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 1630 2010 bellsouth.net, inc. 11492 958 978 Cable One 20115 885 1465 Charter Communications 8452 783 818 TEDATA 18566 771 786 Covad Communications 2386 709 711 AT&T Data Communications Serv 1785 601 703 AppliedTheory Corporation 6478 486 486 AT&T Worldnet Services 22773 415 659 Cox Communications, Inc. 3356 408 470 Level 3 Communications, LLC
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:12 8:177 12:2215 13:2 15:21 16:3 17:5 20:36 24:1151 32:132 38:538 40:96 41:1496 43:1 44:2 47:9 52:3 55:3 56:3 57:47 58:528 59:603 60:454 61:1114 62:1176 63:1923 64:3420 65:2433 66:3692 67:1448 68:677 69:2452 70:532 71:171
End of report
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