Orbit

Routing Table Report 00:00 GMT Sun 18 Jun, 2006

Analysis Summary ----------------

BGP routing table entries examined: 202599 Prefixes after maximum aggregation: 106634 Unique aggregates announced to Internet: 93255 Total ASes present in the Internet Routing Table: 22512 Origin-only ASes present in the Internet Routing Table: 19527 Origin ASes announcing only one prefix: 9346 Transit ASes present in the Internet Routing Table: 2985 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (34527) 16 Prefixes from unregistered ASNs in the Routing Table: 27 Unregistered ASNs in the Routing Table: 18 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 60 Number of addresses announced to Internet: 2009151766 Equivalent to 119 /8s, 193 /16s and 57 /24s Percentage of available address space announced: 54.2 Percentage of allocated address space announced: 78.4 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 104105

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 40736 Total APNIC prefixes after maximum aggregation: 16855 Prefixes being announced from the APNIC address blocks: 38363 Unique aggregates announced from the APNIC address blocks: 18359 APNIC Region origin ASes present in the Internet Routing Table: 2598 APNIC Region origin ASes announcing only one prefix: 740 APNIC Region transit ASes present in the Internet Routing Table: 404 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 287992004 Equivalent to 17 /8s, 42 /16s and 104 /24s Percentage of available APNIC address space announced: 90.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7 210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary ----------------------------

Prefixes being announced by ARIN Region ASes: 108599 Total ARIN prefixes after maximum aggregation: 59409 Prefixes being announced from the ARIN address blocks: 80904 Unique aggregates announced from the ARIN address blocks: 26798 ARIN Region origin ASes present in the Internet Routing Table: 10780 ARIN Region origin ASes announcing only one prefix: 4049 ARIN Region transit ASes present in the Internet Routing Table: 1017 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 294176801 Equivalent to 17 /8s, 136 /16s and 200 /24s Percentage of available ARIN address space announced: 76.2

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 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6, 208/7 and 216/8

RIPE Region Analysis Summary ----------------------------

Prefixes being announced by RIPE Region ASes: 39436 Total RIPE prefixes after maximum aggregation: 25740 Prefixes being announced from the RIPE address blocks: 36838 Unique aggregates announced from the RIPE address blocks: 23758 RIPE Region origin ASes present in the Internet Routing Table: 8198 RIPE Region origin ASes announcing only one prefix: 4284 RIPE Region transit ASes present in the Internet Routing Table: 1378 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 254226624 Equivalent to 15 /8s, 39 /16s and 48 /24s Percentage of available RIPE address space announced: 79.8

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 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8

LACNIC Region Analysis Summary ------------------------------

Prefixes being announced by LACNIC Region ASes: 11533 Total LACNIC prefixes after maximum aggregation: 3714 Prefixes being announced from the LACNIC address blocks: 9686 Unique aggregates announced from the LACNIC address blocks: 5515 LACNIC Region origin ASes present in the Internet Routing Table: 697 LACNIC Region origin ASes announcing only one prefix: 229 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 27418880 Equivalent to 1 /8s, 162 /16s and 97 /24s Percentage of available LACNIC address space announced: 40.9

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary -------------------------------

Prefixes being announced by AfriNIC Region ASes: 2269 Total AfriNIC prefixes after maximum aggregation: 916 Prefixes being announced from the AfriNIC address blocks: 1545 Unique aggregates announced from the AfriNIC address blocks: 959 AfriNIC Region origin ASes present in the Internet Routing Table: 159 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 27 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 4126720 Equivalent to 0 /8s, 62 /16s and 248 /24s Percentage of available AfriNIC address space announced: 12.3

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 919 256 70 Videsh Sanchar Nigam Ltd. Aut 9583 903 109 16 Sify Limited 4134 846 5590 185 CHINANET-BACKBONE 4766 715 4436 310 Korea Telecom (KIX) 9498 661 211 68 BHARTI BT INTERNET LTD. 1221 649 1668 481 Telstra Pty Ltd 7545 547 124 71 TPG Internet Pty Ltd 17488 519 32 10 Hathway IP Over Cable Interne 17676 488 7061 109 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 4538 439 2717 31 China Education and Research 18101 413 85 24 Reliance Infocom Ltd Internet 17557 397 31 176 Pakistan Telecom 9929 385 253 63 China Netcom Corp. 17974 382 129 14 PT TELEKOMUNIKASI INDONESIA 4802 381 80 168 Wantree Development 4780 365 225 27 Digital United Inc. 7474 360 211 228 SingTel Optus Pty Ltd 2907 339 1733 313 SINET Japan 4804 305 295 58 Microplex PTY LTD

RIPE Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 702 688 1951 451 UUNET - Commercial IP service 3215 403 1680 93 France Telecom Transpac 3301 306 1343 293 TeliaNet Sweden 3352 306 1643 30 Ibernet, Internet Access Netw 3320 289 3989 242 Deutsche Telekom AG 8220 276 466 261 COLT Telecommunications 680 245 2025 242 DFN-IP service G-WiN 3246 238 505 228 Song Networks 6746 237 90 212 Dynamic Network Technologies, 5089 235 1691 46 NTL Group Limited 1257 220 741 165 SWIPnet Swedish IP Network 8708 216 275 202 Romania Data Systems S.A. 24863 215 42 10 LINKdotNET AS number 3269 201 2182 72 TELECOM ITALIA 8551 201 198 24 Bezeq International 30890 194 17 72 SC Kappa Invexim SRL 8866 183 37 15 Bulgarian Telecommunication C 5400 174 348 140 BT Ignite European Backbone 786 172 1778 172 The JANET IP Service 3300 170 171 97 AUCS Communications Services

ARIN Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 701 5040 6752 774 UUNET Technologies, Inc. 4323 3142 743 263 Time Warner Telecom 705 1577 578 702 UUNET Technologies, Inc. 7018 1484 6283 955 AT&T WorldNet Services 6197 1013 629 474 BellSouth Network Solutions, 721 1012 21982 313 DLA Systems Automation Center 174 964 5787 898 Cogent Communications 19029 947 151 108 New Edge Networks 18566 943 272 8 Covad Communications 2386 909 560 703 AT&T Data Communications Serv 1239 850 2797 602 Sprint 7046 844 253 700 UUNET Technologies, Inc. 20115 712 617 386 Charter Communications 19262 710 2105 183 Verizon Global Networks 209 709 3687 551 Qwest 22773 661 1741 35 Cox Communications, Inc. 7011 638 218 414 Citizens Utilities 11492 632 87 23 Cable One 6461 606 227 84 AboveNet Communications, Inc. 852 597 1084 382 Telus Advanced Communications

Global Per AS Maximum Aggr summary ----------------------------------

ASN No of nets Net Savings Description 4323 3142 2879 Time Warner Telecom 18566 943 935 Covad Communications 9583 903 887 Sify Limited 705 1577 875 UUNET Technologies, Inc. 4755 919 849 Videsh Sanchar Nigam Ltd. Aut 19029 947 839 New Edge Networks 721 1012 699 DLA Systems Automation Center 4134 846 661 CHINANET-BACKBONE 22773 661 626 Cox Communications, Inc. 11492 632 609 Cable One 9498 661 593 BHARTI BT INTERNET LTD. 6197 1013 539 BellSouth Network Solutions, 7018 1484 529 AT&T WorldNet Services 19262 710 527 Verizon Global Networks 6461 606 522 AboveNet Communications, Inc. 19916 563 509 OLM LLC 17488 519 509 Hathway IP Over Cable Interne 5668 529 506 CenturyTel Internet Holdings, 855 550 486 Canadian Research Network 8151 707 483 UniNet S.A. de C.V.

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Network Transit AS Description 64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati 65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat 65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati 64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli 65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network 64704 PRIVATE 86.70.139.0/24 34383 TELOISE 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65000 PRIVATE 199.133.62.0/24 10886 University of Maryla 65000 PRIVATE 199.133.63.0/24 10886 University of Maryla 65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet 65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65500 PRIVATE 204.147.94.0/24 57 University of Minnes 65500 PRIVATE 205.215.222.0/24 57 University of Minnes 65412 PRIVATE 210.18.22.0/24 9583 Sify Limited 65010 PRIVATE 212.2.12.160/28 8190 VIATEL 64565 PRIVATE 212.111.35.128/27 4513 PFM Communications, 65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr 65517 PRIVATE 213.154.248.0/28 12859 Business Internet Tr 64560 PRIVATE 213.219.53.192/26 4513 PFM Communications, 65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma 64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio 64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio

Prefixes from private and non-routed address space (Global) -----------------------------------------------------------

Prefix Origin AS Description 0.0.0.0/8 3303 Swisscom Ltd 172.16.2.32/27 6325 Illinois Century Network 172.16.2.80/28 6325 Illinois Century Network 172.31.31.0/30 6325 Illinois Century Network 192.168.83.0/24 292 Energy Sciences Network

Advertised Unallocated Addresses --------------------------------

Network Origin AS Description 2.2.2.0/24 64666 PRIVATE ASN 96.0.0.0/9 1660 ANS Communications 96.128.0.0/9 1660 ANS Communications 97.0.0.0/9 1660 ANS Communications 97.128.0.0/9 1660 ANS Communications 98.0.0.0/9 1660 ANS Communications 98.128.0.0/9 1660 ANS Communications 99.0.0.0/9 1660 ANS Communications 99.128.0.0/9 1660 ANS Communications 100.0.0.0/9 1660 ANS Communications 100.128.0.0/9 1660 ANS Communications 101.0.0.0/9 1660 ANS Communications 101.128.0.0/9 1660 ANS Communications 102.0.0.0/9 1660 ANS Communications 102.128.0.0/9 1660 ANS Communications 103.0.0.0/9 1660 ANS Communications 103.128.0.0/9 1660 ANS Communications 104.0.0.0/9 1660 ANS Communications 104.128.0.0/9 1660 ANS Communications 105.0.0.0/9 1660 ANS Communications 105.128.0.0/9 1660 ANS Communications 106.0.0.0/9 1660 ANS Communications 106.128.0.0/9 1660 ANS Communications 107.0.0.0/9 1660 ANS Communications 107.128.0.0/9 1660 ANS Communications 108.0.0.0/9 1660 ANS Communications 108.128.0.0/9 1660 ANS Communications 109.0.0.0/9 1660 ANS Communications 109.128.0.0/9 1660 ANS Communications 110.0.0.0/9 1660 ANS Communications 110.128.0.0/9 1660 ANS Communications 111.0.0.0/9 1660 ANS Communications 111.128.0.0/9 1660 ANS Communications 112.0.0.0/9 1660 ANS Communications 112.128.0.0/9 1660 ANS Communications 113.0.0.0/9 1660 ANS Communications 113.128.0.0/9 1660 ANS Communications 114.0.0.0/9 1660 ANS Communications 114.128.0.0/9 1660 ANS Communications 115.0.0.0/9 1660 ANS Communications 115.128.0.0/9 1660 ANS Communications 116.0.0.0/9 1660 ANS Communications 116.128.0.0/9 1660 ANS Communications 117.0.0.0/9 1660 ANS Communications 117.128.0.0/9 1660 ANS Communications 118.0.0.0/9 1660 ANS Communications 118.128.0.0/9 1660 ANS Communications 119.0.0.0/9 1660 ANS Communications 119.128.0.0/9 1660 ANS Communications 120.0.0.0/9 1660 ANS Communications 120.128.0.0/9 1660 ANS Communications 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 183.206.196.0/24 2188 FR-RENATER-ASTER 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.84.205.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global) -------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:67 /10:10 /11:28 /12:90 /13:201 /14:354 /15:704 /16:8794 /17:3217 /18:5392 /19:11799 /20:13398 /21:11933 /22:15262 /23:16671 /24:112513 /25:469 /26:399 /27:283 /28:211 /29:221 /30:463 /31:0 /32:102

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 701 3784 5040 UUNET Technologies, Inc. 4323 1866 3142 Time Warner Telecom 705 1013 1577 UUNET Technologies, Inc. 18566 926 943 Covad Communications 19029 878 947 New Edge Networks 6197 796 1013 BellSouth Network Solutions, 7018 784 1484 AT&T WorldNet Services 9583 734 903 Sify Limited 2386 631 909 AT&T Data Communications Serv 11492 623 632 Cable One 7046 598 844 UUNET Technologies, Inc. 19916 557 563 OLM LLC 7011 547 638 Citizens Utilities 6461 533 606 AboveNet Communications, Inc. 2686 531 575 IBM 4766 525 715 Korea Telecom (KIX) 702 471 688 UUNET - Commercial IP service 855 424 550 Canadian Research Network 5668 412 529 CenturyTel Internet Holdings, 15270 404 435 PaeTec.net -a division of Pae

Number of /24s announced per /8 block (Global) ----------------------------------------------

2:1 4:9 8:42 12:1634 13:1 15:16 16:3 17:3 18:4 20:41 24:753 25:1 30:2 32:277 38:231 40:54 41:2 44:3 47:6 52:4 55:1 56:3 57:46 58:190 59:247 60:187 61:876 62:905 63:3421 64:3540 65:3613 66:3683 67:652 68:671 69:1553 70:398 71:81 72:764 74:43 80:798 81:660 82:660 83:406 84:394 85:557 86:385 87:369 88:109 89:262 121:1 122:2 123:1 124:279 125:515 128:169 129:188 130:119 131:318 132:33 133:9 134:159 135:43 136:173 137:82 138:206 139:160 140:467 141:133 142:405 143:166 144:222 145:40 146:319 147:141 148:318 149:191 150:113 151:93 152:72 153:107 154:6 155:202 156:97 157:148 158:169 159:173 160:91 161:78 162:244 163:154 164:224 165:217 166:171 167:246 168:606 169:128 170:335 171:14 183:1 190:75 192:5852 193:3387 194:2765 195:2077 196:879 198:4034 199:3290 200:4480 201:982 202:6828 203:7089 204:4060 205:2174 206:2790 207:3549 208:2949 209:4190 210:2085 211:718 212:1413 213:1568 214:362 215:40 216:4595 217:1371 218:312 219:263 220:704 221:359 222:164

End of report