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Routing Table Report 00:00 GMT Mon 12 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 220100 Prefixes after maximum aggregation: 115214 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 102636 Total ASes present in the Internet Routing Table: 24393 Origin-only ASes present in the Internet Routing Table: 21123 Origin ASes announcing only one prefix: 10240 Transit ASes present in the Internet Routing Table: 3270 Transit-only ASes present in the Internet Routing Table: 86 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 71 Unregistered ASNs in the Routing Table: 29 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1677561608 Equivalent to 99 /8s, 253 /16s and 143 /24s Percentage of available address space announced: 45.3 Percentage of allocated address space announced: 62.2 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 115421
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 48282 Total APNIC prefixes after maximum aggregation: 18989 APNIC Deaggregation factor: 2.54 Prefixes being announced from the APNIC address blocks: 45471 Unique aggregates announced from the APNIC address blocks: 19608 APNIC Region origin ASes present in the Internet Routing Table: 2860 APNIC Region origin ASes announcing only one prefix: 791 APNIC Region transit ASes present in the Internet Routing Table: 440 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 283477568 Equivalent to 16 /8s, 229 /16s and 134 /24s Percentage of available APNIC address space announced: 70.2
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, 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: 110442 Total ARIN prefixes after maximum aggregation: 62344 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 82375 Unique aggregates announced from the ARIN address blocks: 29322 ARIN Region origin ASes present in the Internet Routing Table: 11332 ARIN Region origin ASes announcing only one prefix: 4338 ARIN Region transit ASes present in the Internet Routing Table: 1100 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 319380960 Equivalent to 19 /8s, 9 /16s and 93 /24s Percentage of available ARIN address space announced: 70.5
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: 44790 Total RIPE prefixes after maximum aggregation: 28855 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 41718 Unique aggregates announced from the RIPE address blocks: 26882 RIPE Region origin ASes present in the Internet Routing Table: 9175 RIPE Region origin ASes announcing only one prefix: 4806 RIPE Region transit ASes present in the Internet Routing Table: 1516 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 289293216 Equivalent to 17 /8s, 62 /16s and 67 /24s Percentage of available RIPE address space announced: 78.4
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: 13874 Total LACNIC prefixes after maximum aggregation: 4020 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 11953 Unique aggregates announced from the LACNIC address blocks: 7149 LACNIC Region origin ASes present in the Internet Routing Table: 760 LACNIC Region origin ASes announcing only one prefix: 250 LACNIC Region transit ASes present in the Internet Routing Table: 136 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 37315840 Equivalent to 2 /8s, 57 /16s and 101 /24s Percentage of available LACNIC address space announced: 55.6
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: 2643 Total AfriNIC prefixes after maximum aggregation: 1004 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 1909 Unique aggregates announced from the AfriNIC address blocks: 1167 AfriNIC Region origin ASes present in the Internet Routing Table: 179 AfriNIC Region origin ASes announcing only one prefix: 54 AfriNIC Region transit ASes present in the Internet Routing Table: 31 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC addresses announced to Internet: 5391872 Equivalent to 0 /8s, 82 /16s and 70 /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 1281 8660 277 CHINANET-BACKBONE 4755 1100 383 75 Videsh Sanchar Nigam Ltd. Aut 9583 1039 109 16 Sify Limited 9498 952 467 64 BHARTI BT INTERNET LTD. 23577 780 35 705 Korea Telecom (ATM-MPLS) 4766 765 4944 313 Korea Telecom (KIX) 1221 616 1684 454 Telstra Pty Ltd 17488 594 39 23 Hathway IP Over Cable Interne 7545 576 126 76 TPG Internet Pty Ltd 18101 520 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 7474 452 215 256 SingTel Optus Pty Ltd 4812 444 803 73 China Telecom (Shanghai) 9443 441 111 73 Primus Telecommunications 9942 429 85 124 COMindico Australia 17849 370 35 94 Telecommunications Technology 4802 363 86 150 Wantree Development 17557 359 34 170 Pakistan Telecom 17974 346 129 14 PT TELEKOMUNIKASI INDONESIA 2907 340 1749 311 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 544 1881 422 UUNET - Commercial IP service 24863 306 44 24 LINKdotNET AS number 2119 305 779 265 Telenor Internet Access 3320 296 4993 247 Deutsche Telekom AG 3301 288 1194 266 TeliaNet Sweden 8220 272 468 263 COLT Telecommunications 6746 267 95 246 Dynamic Network Technologies, 1257 258 1100 170 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 5089 241 1657 52 NTL Group Limited 8708 240 284 226 Romania Data Systems S.A. 3215 238 2224 92 France Telecom Transpac 5416 216 14 11 BATELCO-BH 3269 212 2391 71 TELECOM ITALIA 3246 209 355 199 Song Networks 8551 205 197 25 Bezeq International 20858 197 34 3 EgyNet 3352 194 1767 31 Ibernet, Internet Access Netw 3300 187 171 92 AUCS Communications Services 30890 187 15 91 SC Kappa Invexim SRL
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4821 6694 743 UUNET Technologies, Inc. 7018 1505 10213 986 AT&T WorldNet Services 705 1335 558 601 UUNET Technologies, Inc. 4323 1125 826 356 Time Warner Telecom 2386 1110 570 734 AT&T Data Communications Serv 6197 1017 651 499 BellSouth Network Solutions, 18566 988 288 9 Covad Communications 11492 940 100 15 Cable One 174 937 6791 865 Cogent Communications 1239 823 2730 577 Sprint 20115 799 700 419 Charter Communications 7046 786 266 655 UUNET Technologies, Inc. 7011 785 227 474 Citizens Utilities 19262 757 2591 178 Verizon Global Networks 22773 725 1872 41 Cox Communications, Inc. 209 720 3742 566 Qwest 721 676 21835 277 DLA Systems Automation Center 852 619 1090 392 Telus Advanced Communications 577 585 760 206 Bell Advanced Communications 5668 576 160 16 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1100 1025 Videsh Sanchar Nigam Ltd. Aut 9583 1039 1023 Sify Limited 4134 1281 1004 CHINANET-BACKBONE 18566 988 979 Covad Communications 11492 940 925 Cable One 9498 952 888 BHARTI BT INTERNET LTD. 8151 1018 815 UniNet S.A. de C.V. 4323 1125 769 Time Warner Telecom 705 1335 734 UUNET Technologies, Inc. 22773 725 684 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 17488 594 571 Hathway IP Over Cable Interne 5668 576 560 CenturyTel Internet Holdings, 7018 1505 519 AT&T WorldNet Services 6197 1017 518 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 576 500 TPG Internet Pty Ltd 18101 520 497 Reliance Infocom Ltd Internet 855 565 495 Canadian Research Network 15270 505 471 PaeTec.net -a division of Pae
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 4.33.8.144/28 293 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 64512 PRIVATE 80.66.96.0/20 3209 Arcor IP-Network 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 64984 PRIVATE 168.224.4.0/23 29487 PFIZER 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 64538 PRIVATE 195.22.39.0/24 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 64515 PRIVATE 195.47.26.0/24 6721 The Terminal Bar: In 64515 PRIVATE 195.47.27.0/24 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 64538 PRIVATE 195.47.57.0/24 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 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 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 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 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp 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 42.205.192.0/20 36925 Meditelecom 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 /8:19 /9:9 /10:13 /11:34 /12:118 /13:238 /14:424 /15:828 /16:9239 /17:3783 /18:6153 /19:13262 /20:14911 /21:13467 /22:17549 /23:18726 /24:118435 /25:838 /26:620 /27:510 /28:215 /29:168 /30:463 /31:0 /32:78
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3586 4821 UUNET Technologies, Inc. 18566 970 988 Covad Communications 11492 926 940 Cable One 9583 867 1039 Sify Limited 2386 833 1110 AT&T Data Communications Serv 705 828 1335 UUNET Technologies, Inc. 7018 808 1505 AT&T WorldNet Services 6197 795 1017 BellSouth Network Solutions, 23577 766 780 Korea Telecom (ATM-MPLS) 7011 684 785 Citizens Utilities 9498 605 952 BHARTI BT INTERNET LTD. 4766 573 765 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 546 786 UUNET Technologies, Inc. 4755 509 1100 Videsh Sanchar Nigam Ltd. Aut 15270 473 505 PaeTec.net -a division of Pae 855 464 565 Canadian Research Network 18101 451 520 Reliance Infocom Ltd Internet 5668 446 576 CenturyTel Internet Holdings, 17488 416 594 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 6:1 7:1 8:64 9:1 12:1672 13:1 15:16 16:3 17:3 18:5 20:38 24:899 25:1 32:172 38:279 40:57 41:68 44:2 47:7 52:4 55:1 56:3 57:52 58:311 59:376 60:203 61:936 62:1090 63:3325 64:3360 65:3670 66:3214 67:739 68:664 69:1736 70:449 71:97 72:1185 73:1 74:163 75:77 76:2 77:17 80:850 81:786 82:701 83:370 84:514 85:752 86:460 87:478 88:226 89:784 90:1 91:200 97:1 116:1 117:1 118:1 119:1 120:1 121:133 122:81 123:37 124:577 125:784 128:309 129:219 130:136 131:343 132:49 133:11 134:186 135:45 136:181 137:118 138:195 139:105 140:517 141:141 142:395 143:215 144:271 145:43 146:315 147:147 148:371 149:193 150:114 151:116 152:93 153:119 154:6 155:250 156:128 157:176 158:168 159:149 160:98 161:91 162:229 163:162 164:456 165:325 166:247 167:281 168:499 169:120 170:385 171:15 172:1 189:162 190:388 192:5781 193:3719 194:2993 195:2325 196:994 198:3894 199:3351 200:4601 201:969 202:7239 203:7427 204:4108 205:2216 206:2644 207:3128 208:3152 209:3738 210:2385 211:968 212:1383 213:1466 214:377 215:39 216:4223 217:1173 218:372 219:266 220:871 221:371 222:265
End of report
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