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Routing Table Report 00:00 GMT Wed 31 Jan, 2007
Analysis Summary ----------------
BGP routing table entries examined: 219090 Prefixes after maximum aggregation: 114588 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 101672 Total ASes present in the Internet Routing Table: 24308 Origin-only ASes present in the Internet Routing Table: 21097 Origin ASes announcing only one prefix: 10207 Transit ASes present in the Internet Routing Table: 3211 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 18 Unregistered ASNs in the Routing Table: 15 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1669399232 Equivalent to 99 /8s, 129 /16s and 2 /24s Percentage of available address space announced: 45.0 Percentage of allocated address space announced: 61.9 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 114712
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47627 Total APNIC prefixes after maximum aggregation: 18880 APNIC Deaggregation factor: 2.52 Prefixes being announced from the APNIC address blocks: 44963 Unique aggregates announced from the APNIC address blocks: 19282 APNIC Region origin ASes present in the Internet Routing Table: 2846 APNIC Region origin ASes announcing only one prefix: 792 APNIC Region transit ASes present in the Internet Routing Table: 437 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 282482872 Equivalent to 16 /8s, 214 /16s and 88 /24s Percentage of available APNIC address space announced: 70.0
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, 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: 110311 Total ARIN prefixes after maximum aggregation: 62098 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 82265 Unique aggregates announced from the ARIN address blocks: 29134 ARIN Region origin ASes present in the Internet Routing Table: 11296 ARIN Region origin ASes announcing only one prefix: 4316 ARIN Region transit ASes present in the Internet Routing Table: 1087 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 315218144 Equivalent to 18 /8s, 201 /16s and 216 /24s Percentage of available ARIN address space announced: 69.6
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: 44605 Total RIPE prefixes after maximum aggregation: 28586 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 41451 Unique aggregates announced from the RIPE address blocks: 26688 RIPE Region origin ASes present in the Internet Routing Table: 9144 RIPE Region origin ASes announcing only one prefix: 4793 RIPE Region transit ASes present in the Internet Routing Table: 1477 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 287209376 Equivalent to 17 /8s, 30 /16s and 119 /24s Percentage of available RIPE address space announced: 77.8
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 40960-43007 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: 13911 Total LACNIC prefixes after maximum aggregation: 4032 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 11940 Unique aggregates announced from the LACNIC address blocks: 6927 LACNIC Region origin ASes present in the Internet Routing Table: 765 LACNIC Region origin ASes announcing only one prefix: 251 LACNIC Region transit ASes present in the Internet Routing Table: 139 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 36254240 Equivalent to 2 /8s, 41 /16s and 50 /24s Percentage of available LACNIC address space announced: 54.0
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: 2619 Total AfriNIC prefixes after maximum aggregation: 990 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 1880 Unique aggregates announced from the AfriNIC address blocks: 1156 AfriNIC Region origin ASes present in the Internet Routing Table: 178 AfriNIC Region origin ASes announcing only one prefix: 54 AfriNIC Region transit ASes present in the Internet Routing Table: 33 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5373440 Equivalent to 0 /8s, 81 /16s and 254 /24s Percentage of available AfriNIC address space announced: 16.0
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 1277 8667 276 CHINANET-BACKBONE 4755 1092 383 73 Videsh Sanchar Nigam Ltd. Aut 9583 1043 109 16 Sify Limited 9498 937 467 64 BHARTI BT INTERNET LTD. 23577 771 34 699 Korea Telecom (ATM-MPLS) 4766 763 4944 313 Korea Telecom (KIX) 1221 611 1698 452 Telstra Pty Ltd 17488 592 37 21 Hathway IP Over Cable Interne 7545 561 126 75 TPG Internet Pty Ltd 18101 516 103 23 Reliance Infocom Ltd Internet 17676 504 10935 66 Softbank BB Corp. 4812 438 763 70 China Telecom (Shanghai) 9942 431 85 128 COMindico Australia 9443 417 111 73 Primus Telecommunications 7474 393 212 249 SingTel Optus Pty Ltd 17974 364 129 14 PT TELEKOMUNIKASI INDONESIA 4802 362 86 149 Wantree Development 17849 355 34 94 Telecommunications Technology 17557 347 34 167 Pakistan Telecom 2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1897 424 UUNET - Commercial IP service 3215 385 2192 93 France Telecom Transpac 3301 305 1199 287 TeliaNet Sweden 24863 305 44 24 LINKdotNET AS number 3320 296 4993 247 Deutsche Telekom AG 8220 273 474 264 COLT Telecommunications 6746 271 95 248 Dynamic Network Technologies, 1257 258 1097 174 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 5089 241 1657 52 NTL Group Limited 8708 234 283 221 Romania Data Systems S.A. 3269 213 2391 71 TELECOM ITALIA 30890 213 18 89 SC Kappa Invexim SRL 3246 207 354 197 Song Networks 5416 206 13 9 BATELCO-BH 2119 204 760 176 Telenor Internet Access 8551 197 197 24 Bezeq International 20858 196 34 3 This AS will be used to conne 3300 189 171 94 AUCS Communications Services 3352 182 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4867 6695 747 UUNET Technologies, Inc. 7018 1551 10199 990 AT&T WorldNet Services 705 1397 553 601 UUNET Technologies, Inc. 2386 1105 569 730 AT&T Data Communications Serv 4323 1047 817 292 Time Warner Telecom 6197 1025 650 503 BellSouth Network Solutions, 18566 989 288 9 Covad Communications 174 934 6789 863 Cogent Communications 11492 914 100 16 Cable One 1239 830 2738 580 Sprint 19262 808 2576 180 Verizon Global Networks 7046 801 267 657 UUNET Technologies, Inc. 20115 797 692 414 Charter Communications 7011 733 219 456 Citizens Utilities 22773 722 1872 41 Cox Communications, Inc. 209 719 3750 565 Qwest 721 685 21836 280 DLA Systems Automation Center 852 622 1091 393 Telus Advanced Communications 577 584 760 206 Bell Advanced Communications 5668 580 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 9583 1043 1027 Sify Limited 4755 1092 1019 Videsh Sanchar Nigam Ltd. Aut 4134 1277 1001 CHINANET-BACKBONE 18566 989 980 Covad Communications 11492 914 898 Cable One 9498 937 873 BHARTI BT INTERNET LTD. 705 1397 796 UUNET Technologies, Inc. 4323 1047 755 Time Warner Telecom 8151 902 682 UniNet S.A. de C.V. 22773 722 681 Cox Communications, Inc. 19262 808 628 Verizon Global Networks 17488 592 571 Hathway IP Over Cable Interne 7018 1551 561 AT&T WorldNet Services 5668 580 561 CenturyTel Internet Holdings, 6197 1025 522 BellSouth Network Solutions, 19916 568 514 OLM LLC 11830 504 495 Instituto Costarricense de El 18101 516 493 Reliance Infocom Ltd Internet 855 564 492 Canadian Research Network 7545 561 486 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 64513 PRIVATE 124.30.171.0/24 9583 Sify Limited 64513 PRIVATE 124.30.172.0/24 9583 Sify Limited 64513 PRIVATE 124.30.173.0/24 9583 Sify Limited 64513 PRIVATE 124.30.174.0/24 9583 Sify Limited 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited 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 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 1.1.1.0/24 4761 INDOSATNET-ASN 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 /8:19 /9:10 /10:13 /11:33 /12:118 /13:238 /14:417 /15:817 /16:9242 /17:3740 /18:6101 /19:13179 /20:14842 /21:13394 /22:17284 /23:18656 /24:118323 /25:771 /26:542 /27:469 /28:185 /29:150 /30:469 /31:0 /32:78
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3620 4867 UUNET Technologies, Inc. 18566 971 989 Covad Communications 11492 900 914 Cable One 9583 871 1043 Sify Limited 705 859 1397 UUNET Technologies, Inc. 7018 859 1551 AT&T WorldNet Services 2386 829 1105 AT&T Data Communications Serv 6197 795 1025 BellSouth Network Solutions, 23577 757 771 Korea Telecom (ATM-MPLS) 7011 635 733 Citizens Utilities 9498 594 937 BHARTI BT INTERNET LTD. 4766 571 763 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 554 801 UUNET Technologies, Inc. 4755 502 1092 Videsh Sanchar Nigam Ltd. Aut 15270 472 504 PaeTec.net -a division of Pae 855 464 564 Canadian Research Network 18101 447 516 Reliance Infocom Ltd Internet 5668 446 580 CenturyTel Internet Holdings, 17488 415 592 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1 4:9 6:1 7:1 8:62 9:1 12:1670 13:1 15:15 16:3 17:3 18:5 20:38 24:876 25:1 32:172 38:280 40:57 41:66 44:2 47:10 52:4 55:1 56:3 57:52 58:306 59:374 60:203 61:920 62:1119 63:3332 64:3345 65:3663 66:3230 67:724 68:645 69:1735 70:431 71:133 72:1172 73:1 74:151 75:65 76:22 77:3 80:837 81:785 82:686 83:358 84:516 85:776 86:467 87:473 88:278 89:786 90:2 91:200 97:1 116:1 117:1 118:1 119:1 120:1 121:129 122:68 123:26 124:582 125:798 128:304 129:219 130:126 131:343 132:49 133:11 134:183 135:44 136:180 137:118 138:190 139:105 140:519 141:138 142:393 143:214 144:271 145:63 146:315 147:142 148:369 149:193 150:115 151:117 152:91 153:119 154:6 155:249 156:124 157:176 158:170 159:148 160:98 161:88 162:228 163:162 164:460 165:289 166:246 167:282 168:498 169:120 170:383 171:15 172:1 189:151 190:353 192:5800 193:3676 194:2971 195:2329 196:991 198:3910 199:3358 200:4637 201:967 202:7210 203:7343 204:4111 205:2221 206:2648 207:3144 208:3135 209:3727 210:2381 211:932 212:1351 213:1468 214:397 215:39 216:4236 217:1343 218:366 219:264 220:864 221:370 222:275
End of report
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