Orbit

Routing Table Report 00:00 GMT Mon 31 Jul, 2006

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

BGP routing table entries examined: 207552 Prefixes after maximum aggregation: 108423 Unique aggregates announced to Internet: 94620 Total ASes present in the Internet Routing Table: 22828 Origin-only ASes present in the Internet Routing Table: 19887 Origin ASes announcing only one prefix: 9485 Transit ASes present in the Internet Routing Table: 2941 Transit-only ASes present in the Internet Routing Table: 64 Average AS path length visible in the Internet Routing Table: 2.9 Max AS path length visible: 23 Max AS path prepend of ASN (24076) 20 Prefixes from unregistered ASNs in the Routing Table: 42 Unregistered ASNs in the Routing Table: 18 Special use prefixes present in the Routing Table: 7 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1576709877 Equivalent to 93 /8s, 250 /16s and 174 /24s Percentage of available address space announced: 42.5 Percentage of allocated address space announced: 61.5 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 106744

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

Prefixes being announced by APNIC Region ASes: 43591 Total APNIC prefixes after maximum aggregation: 17597 Prefixes being announced from the APNIC address blocks: 41198 Unique aggregates announced from the APNIC address blocks: 18611 APNIC Region origin ASes present in the Internet Routing Table: 2666 APNIC Region origin ASes announcing only one prefix: 747 APNIC Region transit ASes present in the Internet Routing Table: 399 Average APNIC Region AS path length visible: 3.3 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 243758468 Equivalent to 14 /8s, 135 /16s and 117 /24s Percentage of available APNIC address space announced: 76.2

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: 109430 Total ARIN prefixes after maximum aggregation: 59917 Prefixes being announced from the ARIN address blocks: 81620 Unique aggregates announced from the ARIN address blocks: 27104 ARIN Region origin ASes present in the Internet Routing Table: 10867 ARIN Region origin ASes announcing only one prefix: 4091 ARIN Region transit ASes present in the Internet Routing Table: 1011 Average ARIN Region AS path length visible: 2.6 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 298316321 Equivalent to 17 /8s, 199 /16s and 242 /24s Percentage of available ARIN address space announced: 77.3

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 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: 40171 Total RIPE prefixes after maximum aggregation: 26263 Prefixes being announced from the RIPE address blocks: 37556 Unique aggregates announced from the RIPE address blocks: 24167 RIPE Region origin ASes present in the Internet Routing Table: 8360 RIPE Region origin ASes announcing only one prefix: 4362 RIPE Region transit ASes present in the Internet Routing Table: 1357 Average RIPE Region AS path length visible: 3.1 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 261005792 Equivalent to 15 /8s, 142 /16s and 161 /24s Percentage of available RIPE address space announced: 81.9

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: 11968 Total LACNIC prefixes after maximum aggregation: 3730 Prefixes being announced from the LACNIC address blocks: 10061 Unique aggregates announced from the LACNIC address blocks: 5738 LACNIC Region origin ASes present in the Internet Routing Table: 711 LACNIC Region origin ASes announcing only one prefix: 240 LACNIC Region transit ASes present in the Internet Routing Table: 123 Average LACNIC Region AS path length visible: 3.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 31320320 Equivalent to 1 /8s, 221 /16s and 233 /24s Percentage of available LACNIC address space announced: 46.7

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: 2351 Total AfriNIC prefixes after maximum aggregation: 916 Prefixes being announced from the AfriNIC address blocks: 1584 Unique aggregates announced from the AfriNIC address blocks: 976 AfriNIC Region origin ASes present in the Internet Routing Table: 160 AfriNIC Region origin ASes announcing only one prefix: 45 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 2.9 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 4203008 Equivalent to 0 /8s, 64 /16s and 34 /24s Percentage of available AfriNIC address space announced: 12.5

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 4134 1295 7855 240 CHINANET-BACKBONE 4755 983 257 71 Videsh Sanchar Nigam Ltd. Aut 9583 926 109 15 Sify Limited 9498 776 211 69 BHARTI BT INTERNET LTD. 4766 717 4435 305 Korea Telecom (KIX) 1221 645 1779 476 Telstra Pty Ltd 7545 553 124 74 TPG Internet Pty Ltd 17488 520 32 18 Hathway IP Over Cable Interne 4538 518 2715 30 China Education and Research 17676 490 7093 110 Softbank BB Corp. 9443 450 111 83 Primus Telecommunications 18101 429 85 22 Reliance Infocom Ltd Internet 4812 412 740 61 China Telecom (Shanghai) 17849 404 30 123 Telecommunications Technology 17974 387 129 14 PT TELEKOMUNIKASI INDONESIA 17557 382 30 174 Pakistan Telecom 4802 378 81 167 Wantree Development 7474 357 211 229 SingTel Optus Pty Ltd 2907 340 1733 313 SINET Japan 9929 324 216 43 China Netcom Corp.

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

ASN No of nets /20 equiv MaxAgg Description 702 625 1948 442 UUNET - Commercial IP service 3215 401 1760 97 France Telecom Transpac 3301 316 1187 301 TeliaNet Sweden 3320 288 5012 235 Deutsche Telekom AG 8220 282 471 265 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 242 90 220 Dynamic Network Technologies, 3352 236 1639 33 Ibernet, Internet Access Netw 24863 235 42 10 LINKdotNET AS number 3246 232 462 222 Song Networks 5089 229 1657 45 NTL Group Limited 1257 224 742 168 SWIPnet Swedish IP Network 8708 215 276 204 Romania Data Systems S.A. 8551 209 198 29 Bezeq International 30890 207 19 79 SC Kappa Invexim SRL 3269 203 2246 73 TELECOM ITALIA 5416 180 12 7 BATELCO-BH 8866 180 37 15 Bulgarian Telecommunication C 6830 177 813 37 UPC Distribution Services 3300 175 171 98 AUCS Communications Services

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

ASN No of nets /20 equiv MaxAgg Description 701 5031 6786 793 UUNET Technologies, Inc. 4323 3188 746 275 Time Warner Telecom 705 1514 559 660 UUNET Technologies, Inc. 7018 1479 6259 965 AT&T WorldNet Services 721 1025 21942 314 DLA Systems Automation Center 6197 1015 635 477 BellSouth Network Solutions, 18566 950 272 8 Covad Communications 174 934 5736 879 Cogent Communications 2386 912 559 703 AT&T Data Communications Serv 1239 865 2800 611 Sprint 7046 828 252 684 UUNET Technologies, Inc. 19262 728 2228 187 Verizon Global Networks 11492 718 89 15 Cable One 20115 715 623 387 Charter Communications 209 688 3662 544 Qwest 22773 677 1741 37 Cox Communications, Inc. 7011 650 218 414 Citizens Utilities 6461 610 228 83 AboveNet Communications, Inc. 4355 606 305 86 EarthLink, Inc. 6198 597 556 237 BellSouth Network Solutions,

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

ASN No of nets Net Savings Description 4323 3188 2913 Time Warner Telecom 4134 1295 1055 CHINANET-BACKBONE 18566 950 942 Covad Communications 4755 983 912 Videsh Sanchar Nigam Ltd. Aut 9583 926 911 Sify Limited 705 1514 854 UUNET Technologies, Inc. 721 1025 711 DLA Systems Automation Center 9498 776 707 BHARTI BT INTERNET LTD. 11492 718 703 Cable One 22773 677 640 Cox Communications, Inc. 19262 728 541 Verizon Global Networks 6197 1015 538 BellSouth Network Solutions, 6461 610 527 AboveNet Communications, Inc. 5668 544 521 CenturyTel Internet Holdings, 8151 735 520 UniNet S.A. de C.V. 4355 606 520 EarthLink, Inc. 7018 1479 514 AT&T WorldNet Services 19916 563 509 OLM LLC 17488 520 502 Hathway IP Over Cable Interne 855 561 490 Canadian Research Network

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

Bad AS Designation Network Transit AS Description 65333 PRIVATE 1.0.0.0/8 23342 UnitedLayer, Inc. 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 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 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 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 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 65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin 65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin 65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin 65350 PRIVATE 219.148.40.0/24 17672 asn for Hebei Provin 65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin 65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin

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 192.0.2.0/24 812 Rogers WAVE 192.168.83.0/24 292 Energy Sciences Network 198.18.1.0/24 3301 TeliaNet Sweden

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

Network Origin AS Description 1.0.0.0/8 65333 PRIVATE ASN 2.2.2.0/24 64666 PRIVATE ASN 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 /8:19 /9:9 /10:11 /11:28 /12:97 /13:212 /14:372 /15:737 /16:8958 /17:3451 /18:5645 /19:12249 /20:13902 /21:12348 /22:15765 /23:17129 /24:114471 /25:462 /26:359 /27:289 /28:211 /29:191 /30:523 /31:0 /32:114

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

ASN No of nets Total ann. Description 701 3759 5031 UUNET Technologies, Inc. 4323 1892 3188 Time Warner Telecom 705 957 1514 UUNET Technologies, Inc. 18566 933 950 Covad Communications 6197 795 1015 BellSouth Network Solutions, 7018 780 1479 AT&T WorldNet Services 9583 757 926 Sify Limited 11492 706 718 Cable One 2386 632 912 AT&T Data Communications Serv 7046 585 828 UUNET Technologies, Inc. 7011 558 650 Citizens Utilities 19916 557 563 OLM LLC 6461 538 610 AboveNet Communications, Inc. 4766 528 717 Korea Telecom (KIX) 2686 512 557 IBM 9498 446 776 BHARTI BT INTERNET LTD. 6198 440 597 BellSouth Network Solutions, 855 438 561 Canadian Research Network 5668 426 544 CenturyTel Internet Holdings, 15270 419 450 PaeTec.net -a division of Pae

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

2:1 4:10 8:48 12:1612 13:1 15:15 16:3 17:3 18:4 20:41 24:808 25:1 30:2 32:265 38:241 40:53 41:8 44:3 47:6 52:4 55:1 56:3 57:48 58:213 59:277 60:178 61:940 62:932 63:3412 64:3604 65:3668 66:3797 67:650 68:681 69:1587 70:393 71:87 72:832 74:62 75:1 80:817 81:684 82:699 83:398 84:412 85:581 86:411 87:467 88:141 89:379 91:1 121:10 122:3 123:1 124:341 125:569 128:163 129:188 130:119 131:318 132:35 133:8 134:160 135:49 136:173 137:86 138:212 139:134 140:493 141:136 142:395 143:187 144:244 145:40 146:317 147:145 148:350 149:189 150:114 151:98 152:74 153:116 154:6 155:212 156:178 157:140 158:167 159:173 160:93 161:80 162:244 163:164 164:282 165:232 166:182 167:243 168:598 169:125 170:354 171:14 183:1 190:97 192:5837 193:3406 194:2791 195:2161 196:891 198:4043 199:3366 200:4609 201:1029 202:6956 203:7143 204:4071 205:2158 206:2822 207:3629 208:3018 209:3936 210:2230 211:852 212:1362 213:1477 214:364 215:41 216:4383 217:1415 218:333 219:280 220:744 221:360 222:227

End of report