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Routing Table Report 00:00 GMT Wed 28 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 224836 Prefixes after maximum aggregation: 116625 Deaggregation factor: 1.93 Unique aggregates announced to Internet: 103994 Total ASes present in the Internet Routing Table: 24560 Origin-only ASes present in the Internet Routing Table: 21337 Origin ASes announcing only one prefix: 10284 Transit ASes present in the Internet Routing Table: 3223 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 33 Max AS path prepend of ASN (17697) 13 Prefixes from unregistered ASNs in the Routing Table: 66 Unregistered ASNs in the Routing Table: 25 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1690096164 Equivalent to 100 /8s, 188 /16s and 210 /24s Percentage of available address space announced: 45.6 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 119421
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 49900 Total APNIC prefixes after maximum aggregation: 19807 APNIC Deaggregation factor: 2.52 Prefixes being announced from the APNIC address blocks: 46932 Unique aggregates announced from the APNIC address blocks: 20562 APNIC Region origin ASes present in the Internet Routing Table: 2904 APNIC Region origin ASes announcing only one prefix: 785 APNIC Region transit ASes present in the Internet Routing Table: 434 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 290439552 Equivalent to 17 /8s, 79 /16s and 193 /24s Percentage of available APNIC address space announced: 71.9
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, 116/6, 120/6, 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: 112806 Total ARIN prefixes after maximum aggregation: 62555 ARIN Deaggregation factor: 1.80 Prefixes being announced from the ARIN address blocks: 83835 Unique aggregates announced from the ARIN address blocks: 29577 ARIN Region origin ASes present in the Internet Routing Table: 11379 ARIN Region origin ASes announcing only one prefix: 4352 ARIN Region transit ASes present in the Internet Routing Table: 1073 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 321457120 Equivalent to 19 /8s, 41 /16s and 11 /24s Percentage of available ARIN address space announced: 71.0
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, 96/6, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 45272 Total RIPE prefixes after maximum aggregation: 29208 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 42183 Unique aggregates announced from the RIPE address blocks: 27120 RIPE Region origin ASes present in the Internet Routing Table: 9255 RIPE Region origin ASes announcing only one prefix: 4840 RIPE Region transit ASes present in the Internet Routing Table: 1509 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 33 Number of RIPE addresses announced to Internet: 292526976 Equivalent to 17 /8s, 111 /16s and 155 /24s Percentage of available RIPE address space announced: 79.3
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 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 14133 Total LACNIC prefixes after maximum aggregation: 4054 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 12219 Unique aggregates announced from the LACNIC address blocks: 7041 LACNIC Region origin ASes present in the Internet Routing Table: 762 LACNIC Region origin ASes announcing only one prefix: 246 LACNIC Region transit ASes present in the Internet Routing Table: 133 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 37905920 Equivalent to 2 /8s, 66 /16s and 102 /24s Percentage of available LACNIC address space announced: 56.5
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: 2661 Total AfriNIC prefixes after maximum aggregation: 999 AfriNIC Deaggregation factor: 2.66 Prefixes being announced from the AfriNIC address blocks: 1957 Unique aggregates announced from the AfriNIC address blocks: 1184 AfriNIC Region origin ASes present in the Internet Routing Table: 183 AfriNIC Region origin ASes announcing only one prefix: 60 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 5415680 Equivalent to 0 /8s, 82 /16s and 163 /24s Percentage of available AfriNIC address space announced: 16.1
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 1274 8702 278 CHINANET-BACKBONE 4755 1130 383 73 Videsh Sanchar Nigam Ltd. Aut 9498 1092 468 66 BHARTI BT INTERNET LTD. 9583 1079 78 365 Sify Limited 23577 782 35 710 Korea Telecom (ATM-MPLS) 4766 773 4943 311 Korea Telecom (KIX) 1221 622 1687 454 Telstra Pty Ltd 17488 602 40 25 Hathway IP Over Cable Interne 7545 590 142 77 TPG Internet Pty Ltd 18101 530 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 501 779 73 China Telecom (Shanghai) 4668 454 68 10 LG-EDS Systems Inc. 7474 451 216 259 SingTel Optus Pty Ltd 9443 443 111 74 Primus Telecommunications 9942 434 85 129 COMindico Australia 4802 361 86 148 Wantree Development 17849 357 34 100 Telecommunications Technology 17557 354 34 169 Pakistan Telecom 2907 340 1749 311 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 540 1879 418 UUNET - Commercial IP service 2119 447 819 377 Telenor Internet Access 24863 327 45 21 LINKdotNET AS number 3301 313 1200 292 TeliaNet Sweden 3320 297 4993 248 Deutsche Telekom AG 8220 272 469 262 COLT Telecommunications 6746 269 95 248 Dynamic Network Technologies, 1257 260 1115 171 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 5416 253 16 12 BATELCO-BH 5089 240 1657 52 NTL Group Limited 8708 240 284 228 Romania Data Systems S.A. 3215 239 2224 92 France Telecom Transpac 3269 212 2423 72 TELECOM ITALIA 3246 209 355 198 Song Networks 30890 207 17 97 SC Kappa Invexim SRL 8551 206 197 25 Bezeq International 3352 201 1783 33 Ibernet, Internet Access Netw 20858 197 34 3 EgyNet 3300 189 171 92 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4778 6695 740 UUNET Technologies, Inc. 7018 1509 6134 990 AT&T WorldNet Services 4323 1442 1005 349 Time Warner Telecom 7015 1385 983 92 AT&T Broadband 705 1295 558 598 UUNET Technologies, Inc. 6478 1127 444 190 AT&T Worldnet Services 2386 1114 570 739 AT&T Data Communications Serv 6197 1023 654 508 BellSouth Network Solutions, 18566 992 288 9 Covad Communications 11492 983 101 17 Cable One 174 945 6792 868 Cogent Communications 1239 816 2698 572 Sprint 20115 802 707 428 Charter Communications 7011 800 229 475 Citizens Utilities 7046 798 267 658 UUNET Technologies, Inc. 19262 756 2591 177 Verizon Global Networks 22773 732 1872 41 Cox Communications, Inc. 209 720 3746 574 Qwest 721 632 21787 274 DLA Systems Automation Center 852 609 1088 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7015 1385 1293 AT&T Broadband 4323 1442 1093 Time Warner Telecom 4755 1130 1057 Videsh Sanchar Nigam Ltd. Aut 9498 1092 1026 BHARTI BT INTERNET LTD. 4134 1274 996 CHINANET-BACKBONE 18566 992 983 Covad Communications 11492 983 966 Cable One 6478 1127 937 AT&T Worldnet Services 8151 1042 833 UniNet S.A. de C.V. 9583 1079 714 Sify Limited 705 1295 697 UUNET Technologies, Inc. 22773 732 691 Cox Communications, Inc. 19262 756 579 Verizon Global Networks 17488 602 577 Hathway IP Over Cable Interne 5668 572 556 CenturyTel Internet Holdings, 7018 1509 519 AT&T WorldNet Services 6197 1023 515 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 590 513 TPG Internet Pty Ltd 18101 530 507 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65533 PRIVATE 4.33.8.0/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.16/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.32/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.48/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.64/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.80/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.96/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.112/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.128/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.144/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.160/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.176/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.192/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.208/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.224/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.240/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.0/26 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.128/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.192/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.224/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.0/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.16/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.32/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.48/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.64/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.80/28 293 Energy Sciences Netw 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65323 PRIVATE 135.124.149.0/25 18676 Avaya Inc. 65323 PRIVATE 135.124.150.0/25 18676 Avaya Inc. 65323 PRIVATE 135.124.150.128/25 18676 Avaya Inc. 65323 PRIVATE 135.124.151.0/25 18676 Avaya Inc. 65323 PRIVATE 135.124.151.128/25 18676 Avaya Inc. 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In 64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In 64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In 64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In 65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 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 192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 7.1.1.0/24 1239 Sprint 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 172.33.1.0/24 7018 AT&T WorldNet Services 180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /8:20 /9:9 /10:12 /11:34 /12:119 /13:238 /14:430 /15:832 /16:9293 /17:3803 /18:6275 /19:13411 /20:15216 /21:14012 /22:18166 /23:19708 /24:120177 /25:902 /26:716 /27:524 /28:218 /29:177 /30:463 /31:0 /32:81
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3544 4778 UUNET Technologies, Inc. 7015 1240 1385 AT&T Broadband 6478 1079 1127 AT&T Worldnet Services 18566 974 992 Covad Communications 11492 969 983 Cable One 9583 915 1079 Sify Limited 2386 838 1114 AT&T Data Communications Serv 7018 815 1509 AT&T WorldNet Services 705 807 1295 UUNET Technologies, Inc. 6197 796 1023 BellSouth Network Solutions, 23577 768 782 Korea Telecom (ATM-MPLS) 9498 739 1092 BHARTI BT INTERNET LTD. 7011 699 800 Citizens Utilities 4323 631 1442 Time Warner Telecom 4766 581 773 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 548 798 UUNET Technologies, Inc. 4755 535 1130 Videsh Sanchar Nigam Ltd. Aut 15270 475 507 PaeTec.net -a division of Pae 855 466 567 Canadian Research Network
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:64 9:1 12:1821 13:1 15:16 16:3 17:3 18:5 20:38 24:920 25:1 32:172 38:284 40:57 41:93 44:2 47:7 52:4 55:1 56:3 57:52 58:329 59:381 60:214 61:953 62:1084 63:3332 64:3295 65:3669 66:3265 67:749 68:661 69:1746 70:462 71:98 72:1214 73:7 74:383 75:82 76:48 77:67 80:845 81:789 82:705 83:375 84:513 85:772 86:443 87:498 88:246 89:810 90:3 91:210 97:1 116:1 117:1 118:1 119:1 120:1 121:144 122:517 123:50 124:676 125:972 128:307 129:218 130:124 131:347 132:50 133:10 134:187 135:39 136:181 137:98 138:195 139:104 140:499 141:142 142:395 143:211 144:271 145:43 146:318 147:150 148:377 149:189 150:114 151:116 152:96 153:118 154:6 155:251 156:153 157:175 158:168 159:151 160:99 161:92 162:230 163:162 164:460 165:381 166:245 167:280 168:495 169:119 170:388 171:15 172:1 189:194 190:428 192:5788 193:3748 194:3041 195:2298 196:1007 198:3888 199:3359 200:4663 201:989 202:7269 203:7424 204:4106 205:2173 206:2630 207:3107 208:3187 209:3717 210:2401 211:974 212:1345 213:1460 214:416 215:39 216:4256 217:1183 218:369 219:269 220:874 221:374 222:260
End of report
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