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Routing Table Report 04:00 +10GMT Tue 13 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 210677 Prefixes after maximum aggregation: 113406 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 102625 Total ASes present in the Internet Routing Table: 24322 Origin-only ASes present in the Internet Routing Table: 21184 Origin ASes announcing only one prefix: 10250 Transit ASes present in the Internet Routing Table: 3138 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 32 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 4 Unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1676446348 Equivalent to 99 /8s, 236 /16s and 138 /24s Percentage of available address space announced: 45.2 Percentage of allocated address space announced: 62.2 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 108130
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47375 Total APNIC prefixes after maximum aggregation: 18846 APNIC Deaggregation factor: 2.51 Prefixes being announced from the APNIC address blocks: 44674 Unique aggregates announced from the APNIC address blocks: 19559 APNIC Region origin ASes present in the Internet Routing Table: 2846 APNIC Region origin ASes announcing only one prefix: 796 APNIC Region transit ASes present in the Internet Routing Table: 418 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 283473120 Equivalent to 16 /8s, 229 /16s and 116 /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: 103091 Total ARIN prefixes after maximum aggregation: 61036 ARIN Deaggregation factor: 1.69 Prefixes being announced from the ARIN address blocks: 75936 Unique aggregates announced from the ARIN address blocks: 29366 ARIN Region origin ASes present in the Internet Routing Table: 11325 ARIN Region origin ASes announcing only one prefix: 4338 ARIN Region transit ASes present in the Internet Routing Table: 1054 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 317335936 Equivalent to 18 /8s, 234 /16s and 41 /24s Percentage of available ARIN address space announced: 70.1
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: 43753 Total RIPE prefixes after maximum aggregation: 28526 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40450 Unique aggregates announced from the RIPE address blocks: 26878 RIPE Region origin ASes present in the Internet Routing Table: 9135 RIPE Region origin ASes announcing only one prefix: 4811 RIPE Region transit ASes present in the Internet Routing Table: 1472 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 290276388 Equivalent to 17 /8s, 77 /16s and 68 /24s Percentage of available RIPE address space announced: 78.6
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: 13901 Total LACNIC prefixes after maximum aggregation: 4035 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 11969 Unique aggregates announced from the LACNIC address blocks: 7160 LACNIC Region origin ASes present in the Internet Routing Table: 760 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 132 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37536512 Equivalent to 2 /8s, 60 /16s and 195 /24s Percentage of available LACNIC address space announced: 55.9
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: 2554 Total AfriNIC prefixes after maximum aggregation: 961 AfriNIC Deaggregation factor: 2.66 Prefixes being announced from the AfriNIC address blocks: 1844 Unique aggregates announced from the AfriNIC address blocks: 1171 AfriNIC Region origin ASes present in the Internet Routing Table: 178 AfriNIC Region origin ASes announcing only one prefix: 55 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5406208 Equivalent to 0 /8s, 82 /16s and 126 /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 1282 8676 276 CHINANET-BACKBONE 4755 1100 383 75 Videsh Sanchar Nigam Ltd. Aut 9583 1039 109 16 Sify Limited 9498 953 467 65 BHARTI BT INTERNET LTD. 23577 778 35 705 Korea Telecom (ATM-MPLS) 4766 767 4944 313 Korea Telecom (KIX) 17488 594 39 23 Hathway IP Over Cable Interne 7545 578 126 76 TPG Internet Pty Ltd 1221 575 1683 443 Telstra Pty Ltd 18101 520 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 9443 443 111 75 Primus Telecommunications 4812 442 795 73 China Telecom (Shanghai) 7474 378 215 255 SingTel Optus Pty Ltd 17849 370 35 94 Telecommunications Technology 4802 359 86 149 Wantree Development 17557 358 34 170 Pakistan Telecom 17974 346 129 14 PT TELEKOMUNIKASI INDONESIA 2907 336 1749 309 SINET Japan 4837 336 4151 148 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1500 6125 982 AT&T WorldNet Services 4323 1120 827 359 Time Warner Telecom 2386 1108 570 733 AT&T Data Communications Serv 6197 1016 651 498 BellSouth Network Solutions, 18566 988 288 9 Covad Communications 11492 942 100 15 Cable One 701 939 6696 747 UUNET Technologies, Inc. 174 935 6791 864 Cogent Communications 1239 824 2730 576 Sprint 20115 800 700 414 Charter Communications 7011 786 227 475 Citizens Utilities 19262 757 2591 178 Verizon Global Networks 22773 727 1872 41 Cox Communications, Inc. 209 718 3742 564 Qwest 721 679 21836 278 DLA Systems Automation Center 852 604 1090 391 Telus Advanced Communications 5668 576 160 16 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 565 250 70 Canadian Research Network 6198 554 526 259 BellSouth Network Solutions,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1897 424 UUNET - Commercial IP service 3301 315 1199 290 TeliaNet Sweden 24863 307 45 25 LINKdotNET AS number 3320 297 4993 248 Deutsche Telekom AG 8220 271 472 263 COLT Telecommunications 6746 267 95 246 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 8708 240 284 226 Romania Data Systems S.A. 3215 238 2224 92 France Telecom Transpac 1257 223 1100 172 SWIPnet Swedish IP Network 5416 215 14 15 BATELCO-BH 3269 212 2391 71 TELECOM ITALIA 3246 208 355 198 Song Networks 30890 205 17 95 SC Kappa Invexim SRL 8551 201 194 29 Bezeq International 20858 197 34 3 EgyNet 3352 195 1767 31 Ibernet, Internet Access Netw 3300 181 171 90 AUCS Communications Services 12479 177 578 6 Uni2 Autonomous System 786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1019 2111 204 UniNet S.A. de C.V. 11830 481 299 27 Instituto Costarricense de El 11172 344 108 83 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 253 74 30 ENTEL CHILE S.A. 7303 247 142 29 Telecom Argentina Stet-France 14117 239 16 13 Telefonica del Sur S.A. 11556 235 116 6 Cable-Wireless Panama 6147 229 182 20 Telefonica Del Peru 6503 217 174 88 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 7910 152 11 32 ANDINET ON LINE 21826 152 27 55 INTERCABLE 23216 148 19 42 RAMtelecom Telecomunicaciones 18822 145 9 10 TELEFONICA MANQUEHUE 20299 145 22 17 NEWCOM AMERICAS 19429 144 88 35 E.T.B. 19169 142 9 24 Telconet 14522 140 22 9 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 240 60 6 TEDATA 15475 155 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 138 309 113 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 33783 111 6 5 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2905 79 173 72 The Internetworking Company o 2561 63 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 53 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 42 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33766 33 2 1 Nyala Communications Pty Ltd 8524 30 2 6 AUCEGYPT Autonomous System 21280 27 4 4 Swift Global Kenya Ltd.Is an 33776 27 2 5 Starcomms Nigeria Limited 12455 25 6 3 Jambonet Autonomous system
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 1282 1006 CHINANET-BACKBONE 18566 988 979 Covad Communications 11492 942 927 Cable One 9498 953 888 BHARTI BT INTERNET LTD. 8151 1019 815 UniNet S.A. de C.V. 4323 1120 761 Time Warner Telecom 22773 727 686 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 17488 594 571 Hathway IP Over Cable Interne 5668 576 560 CenturyTel Internet Holdings, 6197 1016 518 BellSouth Network Solutions, 19916 568 514 OLM LLC 7545 578 502 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 4766 767 454 Korea Telecom (KIX) 11830 481 454 Instituto Costarricense de El
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
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 /11:33 /12:117 /13:226 /14:422 /15:819 /16:9214 /17:3719 /18:6057 /19:13108 /20:14689 /21:13167 /22:16980 /23:17978 /24:112283 /25:690 /26:487 /27:412 /28:69 /29:43 /30:90 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 970 988 Covad Communications 11492 928 942 Cable One 9583 869 1039 Sify Limited 2386 831 1108 AT&T Data Communications Serv 7018 809 1500 AT&T WorldNet Services 6197 795 1016 BellSouth Network Solutions, 23577 764 778 Korea Telecom (ATM-MPLS) 7011 685 786 Citizens Utilities 9498 608 953 BHARTI BT INTERNET LTD. 4766 575 767 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 510 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 33588 410 432 Bresnan Communications, LLC. 4323 404 1120 Time Warner Telecom 1239 403 824 Sprint
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:64 9:1 12:1658 13:1 15:16 16:3 17:3 18:5 20:36 24:884 25:1 32:53 38:279 40:57 41:70 44:2 47:7 52:4 55:1 56:3 57:25 58:299 59:377 60:203 61:921 62:1015 63:1905 64:3242 65:2316 66:3108 67:722 68:654 69:1723 70:446 71:96 72:1184 73:1 74:162 75:77 77:18 80:840 81:777 82:653 83:359 84:507 85:727 86:463 87:480 88:229 89:790 90:3 91:169 97:1 116:1 117:1 118:1 119:1 120:1 121:133 122:82 123:38 124:580 125:785 128:308 129:219 130:136 131:340 132:49 133:9 134:186 135:43 136:181 137:113 138:195 139:54 140:503 141:141 142:373 143:215 144:269 145:43 146:315 147:144 148:377 149:190 150:114 151:116 152:93 153:119 154:5 155:250 156:129 157:173 158:168 159:149 160:98 161:88 162:228 163:163 164:449 165:329 166:247 167:281 168:497 169:120 170:379 171:15 172:1 189:162 190:388 192:5749 193:3706 194:2957 195:2200 196:944 198:3748 199:3283 200:4607 201:971 202:7173 203:7353 204:3955 205:2099 206:2398 207:2867 208:2460 209:3590 210:2351 211:922 212:1317 213:1416 214:406 215:39 216:4058 217:1164 218:352 219:274 220:852 221:370 222:265
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