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Routing Table Report 04:00 +10GMT Wed 07 Mar, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 399472 Prefixes after maximum aggregation: 170540 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 194314 Total ASes present in the Internet Routing Table: 40273 Prefixes per ASN: 9.92 Origin-only ASes present in the Internet Routing Table: 32812 Origin ASes announcing only one prefix: 15511 Transit ASes present in the Internet Routing Table: 5417 Transit-only ASes present in the Internet Routing Table: 143 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 33 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 341 Unregistered ASNs in the Routing Table: 151 Number of 32-bit ASNs allocated by the RIRs: 2310 Number of 32-bit ASNs visible in the Routing Table: 2044 Prefixes from 32-bit ASNs in the Routing Table: 4906 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 487 Number of addresses announced to Internet: 2525070736 Equivalent to 150 /8s, 129 /16s and 133 /24s Percentage of available address space announced: 68.1 Percentage of allocated address space announced: 68.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.1 Total number of prefixes smaller than registry allocations: 169930
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 98014 Total APNIC prefixes after maximum aggregation: 31903 APNIC Deaggregation factor: 3.07 Prefixes being announced from the APNIC address blocks: 94397 Unique aggregates announced from the APNIC address blocks: 39344 APNIC Region origin ASes present in the Internet Routing Table: 4668 APNIC Prefixes per ASN: 20.22 APNIC Region origin ASes announcing only one prefix: 1238 APNIC Region transit ASes present in the Internet Routing Table: 742 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 161 Number of APNIC addresses announced to Internet: 640668256 Equivalent to 38 /8s, 47 /16s and 210 /24s Percentage of available APNIC address space announced: 81.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 148787 Total ARIN prefixes after maximum aggregation: 75609 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120328 Unique aggregates announced from the ARIN address blocks: 49734 ARIN Region origin ASes present in the Internet Routing Table: 14930 ARIN Prefixes per ASN: 8.06 ARIN Region origin ASes announcing only one prefix: 5686 ARIN Region transit ASes present in the Internet Routing Table: 1572 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 806570496 Equivalent to 48 /8s, 19 /16s and 74 /24s Percentage of available ARIN address space announced: 64.1
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, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 100013 Total RIPE prefixes after maximum aggregation: 52741 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 91529 Unique aggregates announced from the RIPE address blocks: 56783 RIPE Region origin ASes present in the Internet Routing Table: 16328 RIPE Prefixes per ASN: 5.61 RIPE Region origin ASes announcing only one prefix: 7982 RIPE Region transit ASes present in the Internet Routing Table: 2618 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1395 Number of RIPE addresses announced to Internet: 501583368 Equivalent to 29 /8s, 229 /16s and 142 /24s Percentage of available RIPE address space announced: 80.8
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 40960-45055, 47104-52223, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 38842 Total LACNIC prefixes after maximum aggregation: 8090 LACNIC Deaggregation factor: 4.80 Prefixes being announced from the LACNIC address blocks: 38581 Unique aggregates announced from the LACNIC address blocks: 19687 LACNIC Region origin ASes present in the Internet Routing Table: 1573 LACNIC Prefixes per ASN: 24.53 LACNIC Region origin ASes announcing only one prefix: 439 LACNIC Region transit ASes present in the Internet Routing Table: 280 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 469 Number of LACNIC addresses announced to Internet: 97943688 Equivalent to 5 /8s, 214 /16s and 128 /24s Percentage of available LACNIC address space announced: 64.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 8715 Total AfriNIC prefixes after maximum aggregation: 2086 AfriNIC Deaggregation factor: 4.18 Prefixes being announced from the AfriNIC address blocks: 6829 Unique aggregates announced from the AfriNIC address blocks: 2163 AfriNIC Region origin ASes present in the Internet Routing Table: 513 AfriNIC Prefixes per ASN: 13.31 AfriNIC Region origin ASes announcing only one prefix: 166 AfriNIC Region transit ASes present in the Internet Routing Table: 117 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 31546368 Equivalent to 1 /8s, 225 /16s and 92 /24s Percentage of available AfriNIC address space announced: 47.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 2486 11107 988 Korea Telecom (KIX) 17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1649 303 88 TPG Internet Pty Ltd 4755 1566 386 157 TATA Communications formerly 9583 1200 91 509 Sify Limited 9829 1183 997 29 BSNL National Internet Backbo 7552 1160 1062 11 Vietel Corporation 4808 1133 2096 324 CNCGROUP IP network: China169 24560 1005 383 166 Bharti Airtel Ltd., Telemedia 18101 949 130 155 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7029 3418 1014 159 Windstream Communications Inc 6389 3414 3807 198 bellsouth.net, inc. 18566 2090 382 177 Covad Communications 1785 1878 680 128 PaeTec Communications, Inc. 20115 1634 1555 633 Charter Communications 4323 1608 1059 383 Time Warner Telecom 22773 1542 2910 110 Cox Communications, Inc. 30036 1415 258 757 Mediacom Communications Corp 19262 1389 4703 398 Verizon Global Networks 7018 1285 9776 843 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8402 1792 544 16 Corbina telecom 2118 1421 97 13 EUnet/RELCOM Autonomous Syste 15557 1089 2184 60 LDCOM NETWORKS 34984 658 188 171 BILISIM TELEKOM 12479 641 645 55 Uni2 Autonomous System 6830 639 1926 410 UPC Distribution Services 20940 634 203 483 Akamai Technologies European 8551 599 360 81 Bezeq International 31148 540 37 9 FreeNet ISP 3320 533 8442 399 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 10620 1761 325 169 TVCABLE BOGOTA 28573 1645 1087 58 NET Servicos de Comunicao S.A 8151 1485 3013 346 UniNet S.A. de C.V. 7303 1322 821 187 Telecom Argentina Stet-France 26615 898 672 33 Tim Brasil S.A. 27947 677 68 109 Telconet S.A 11172 634 91 72 Servicios Alestra S.A de C.V 22047 581 322 17 VTR PUNTO NET S.A. 6503 573 418 66 AVANTEL, S.A. 3816 558 240 89 Empresa Nacional de Telecomun
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1250 958 13 TEDATA 24863 834 274 37 LINKdotNET AS number 6713 483 649 18 Itissalat Al-MAGHRIB 3741 276 922 229 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 12258 197 28 62 Vodacom Internet Company 33776 187 12 16 Starcomms Nigeria Limited 24835 181 80 8 RAYA Telecom - Egypt 36923 157 20 4 Swift Networks Limited 16637 153 641 76 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 7029 3418 1014 159 Windstream Communications Inc 6389 3414 3807 198 bellsouth.net, inc. 4766 2486 11107 988 Korea Telecom (KIX) 18566 2090 382 177 Covad Communications 1785 1878 680 128 PaeTec Communications, Inc. 8402 1792 544 16 Corbina telecom 10620 1761 325 169 TVCABLE BOGOTA 17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1649 303 88 TPG Internet Pty Ltd 28573 1645 1087 58 NET Servicos de Comunicao S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6389 3414 3216 bellsouth.net, inc. 18566 2090 1913 Covad Communications 8402 1792 1776 Corbina telecom 1785 1878 1750 PaeTec Communications, Inc. 17974 1731 1695 PT TELEKOMUNIKASI INDONESIA 10620 1761 1592 TVCABLE BOGOTA 28573 1645 1587 NET Servicos de Comunicao S.A 7545 1649 1561 TPG Internet Pty Ltd 4766 2486 1498 Korea Telecom (KIX) 22773 1542 1432 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 23.27.0.0/20 18779 Guru.com 23.27.0.0/16 18779 Guru.com
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:12 /10:28 /11:81 /12:235 /13:458 /14:817 /15:1474 /16:12178 /17:6230 /18:10416 /19:20455 /20:28496 /21:29250 /22:39935 /23:37089 /24:208612 /25:1209 /26:1438 /27:781 /28:169 /29:57 /30:14 /31:0 /32:19
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3073 3418 Windstream Communications Inc 6389 2104 3414 bellsouth.net, inc. 18566 2039 2090 Covad Communications 8402 1770 1792 Corbina telecom 10620 1658 1761 TVCABLE BOGOTA 30036 1364 1415 Mediacom Communications Corp 11492 1124 1161 Cable One 1785 1064 1878 PaeTec Communications, Inc. 8452 1060 1250 TEDATA 7011 1042 1157 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:523 2:742 4:14 6:3 8:392 12:1964 13:1 14:604 15:12 16:3 17:7 20:8 23:140 24:1744 27:1214 31:980 32:62 33:2 34:2 36:9 37:225 38:779 40:117 41:2983 42:121 44:3 46:1389 47:3 49:332 50:512 52:13 54:5 55:10 56:3 57:37 58:971 59:497 60:283 61:1189 62:976 63:2009 64:4114 65:2280 66:4465 67:2032 68:1165 69:3167 70:910 71:409 72:1794 74:2646 75:470 76:320 77:973 78:965 79:480 80:1215 81:886 82:624 83:540 84:587 85:1165 86:724 87:914 88:334 89:1566 90:285 91:4536 92:507 93:1380 94:1370 95:1116 96:421 97:315 98:822 99:38 100:5 101:146 103:867 106:64 107:167 108:205 109:1529 110:729 111:860 112:427 113:531 114:604 115:787 116:870 117:710 118:906 119:1262 120:371 121:686 122:1615 123:1076 124:1340 125:1339 128:538 129:191 130:264 131:591 132:164 133:21 134:235 135:62 136:212 137:185 138:271 139:145 140:490 141:265 142:392 143:416 144:509 145:69 146:486 147:243 148:725 149:300 150:162 151:198 152:448 153:171 154:7 155:429 156:213 157:368 158:162 159:518 160:324 161:245 162:344 163:187 164:530 165:393 166:563 167:461 168:813 169:148 170:840 171:118 172:4 173:1707 174:597 175:420 176:527 177:535 178:1279 180:1192 181:68 182:765 183:282 184:440 185:1 186:2098 187:842 188:1051 189:1199 190:5464 192:5990 193:5566 194:4362 195:3407 196:1269 197:168 198:3628 199:4443 200:5735 201:1745 202:8368 203:8667 204:4358 205:2445 206:2746 207:2798 208:4051 209:3567 210:2759 211:1475 212:1958 213:1881 214:847 215:102 216:5037 217:1524 218:548 219:333 220:1227 221:564 222:323 223:320
End of report
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