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Routing Table Report 04:00 +10GMT Sun 19 Feb, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 397927 Prefixes after maximum aggregation: 169856 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 192470 Total ASes present in the Internet Routing Table: 40133 Prefixes per ASN: 9.92 Origin-only ASes present in the Internet Routing Table: 32761 Origin ASes announcing only one prefix: 15511 Transit ASes present in the Internet Routing Table: 5393 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: 323 Unregistered ASNs in the Routing Table: 126 Number of 32-bit ASNs allocated by the RIRs: 2284 Number of 32-bit ASNs visible in the Routing Table: 1979 Prefixes from 32-bit ASNs in the Routing Table: 4775 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 232 Number of addresses announced to Internet: 2515992656 Equivalent to 149 /8s, 247 /16s and 0 /24s Percentage of available address space announced: 67.9 Percentage of allocated address space announced: 67.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.0 Total number of prefixes smaller than registry allocations: 169103
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 98050 Total APNIC prefixes after maximum aggregation: 31798 APNIC Deaggregation factor: 3.08 Prefixes being announced from the APNIC address blocks: 94356 Unique aggregates announced from the APNIC address blocks: 39132 APNIC Region origin ASes present in the Internet Routing Table: 4657 APNIC Prefixes per ASN: 20.26 APNIC Region origin ASes announcing only one prefix: 1236 APNIC Region transit ASes present in the Internet Routing Table: 736 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 148 Number of APNIC addresses announced to Internet: 636132192 Equivalent to 37 /8s, 234 /16s and 155 /24s Percentage of available APNIC address space announced: 80.7
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: 148325 Total ARIN prefixes after maximum aggregation: 75284 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120260 Unique aggregates announced from the ARIN address blocks: 49502 ARIN Region origin ASes present in the Internet Routing Table: 14903 ARIN Prefixes per ASN: 8.07 ARIN Region origin ASes announcing only one prefix: 5676 ARIN Region transit ASes present in the Internet Routing Table: 1571 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: 805143232 Equivalent to 47 /8s, 253 /16s and 130 /24s Percentage of available ARIN address space announced: 64.0
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, 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: 99124 Total RIPE prefixes after maximum aggregation: 52513 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 90871 Unique aggregates announced from the RIPE address blocks: 56057 RIPE Region origin ASes present in the Internet Routing Table: 16317 RIPE Prefixes per ASN: 5.57 RIPE Region origin ASes announcing only one prefix: 7993 RIPE Region transit ASes present in the Internet Routing Table: 2601 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: 1357 Number of RIPE addresses announced to Internet: 501188104 Equivalent to 29 /8s, 223 /16s and 134 /24s Percentage of available RIPE address space announced: 80.7
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: 38584 Total LACNIC prefixes after maximum aggregation: 8095 LACNIC Deaggregation factor: 4.77 Prefixes being announced from the LACNIC address blocks: 38252 Unique aggregates announced from the LACNIC address blocks: 19524 LACNIC Region origin ASes present in the Internet Routing Table: 1573 LACNIC Prefixes per ASN: 24.32 LACNIC Region origin ASes announcing only one prefix: 443 LACNIC Region transit ASes present in the Internet Routing Table: 291 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 455 Number of LACNIC addresses announced to Internet: 96611720 Equivalent to 5 /8s, 194 /16s and 45 /24s Percentage of available LACNIC address space announced: 64.0
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: 8896 Total AfriNIC prefixes after maximum aggregation: 2080 AfriNIC Deaggregation factor: 4.28 Prefixes being announced from the AfriNIC address blocks: 6933 Unique aggregates announced from the AfriNIC address blocks: 2151 AfriNIC Region origin ASes present in the Internet Routing Table: 509 AfriNIC Prefixes per ASN: 13.62 AfriNIC Region origin ASes announcing only one prefix: 163 AfriNIC Region transit ASes present in the Internet Routing Table: 118 Average AfriNIC Region AS path length visible: 4.4 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: 30942464 Equivalent to 1 /8s, 216 /16s and 37 /24s Percentage of available AfriNIC address space announced: 46.1
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 2485 11107 989 Korea Telecom (KIX) 17974 1729 501 36 PT TELEKOMUNIKASI INDONESIA 7545 1643 303 86 TPG Internet Pty Ltd 4755 1547 385 159 TATA Communications formerly 7552 1265 1064 7 Vietel Corporation 9829 1178 997 29 BSNL National Internet Backbo 4808 1149 2114 318 CNCGROUP IP network: China169 9583 1125 84 483 Sify Limited 24560 1019 385 167 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 6389 3440 3807 201 bellsouth.net, inc. 7029 3410 1014 159 Windstream Communications Inc 18566 2091 382 177 Covad Communications 1785 1869 679 124 PaeTec Communications, Inc. 20115 1627 1550 630 Charter Communications 4323 1606 1043 381 Time Warner Telecom 22773 1527 2910 110 Cox Communications, Inc. 30036 1405 251 748 Mediacom Communications Corp 19262 1388 4703 397 Verizon Global Networks 7018 1305 6979 846 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 1747 480 15 Corbina telecom 2118 1399 97 13 EUnet/RELCOM Autonomous Syste 15557 1098 2184 60 LDCOM NETWORKS 34984 653 188 173 BILISIM TELEKOM 6830 644 1927 413 UPC Distribution Services 20940 615 198 472 Akamai Technologies European 12479 605 643 54 Uni2 Autonomous System 8551 576 360 81 Bezeq International 31148 538 37 9 FreeNet ISP 3320 533 8450 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 1744 323 172 TVCABLE BOGOTA 28573 1671 1085 65 NET Servicos de Comunicao S.A 8151 1478 3007 350 UniNet S.A. de C.V. 7303 1264 758 183 Telecom Argentina Stet-France 26615 834 668 34 Tim Brasil S.A. 27947 660 67 108 Telconet S.A 11172 631 91 73 Servicios Alestra S.A de C.V 22047 581 322 17 VTR PUNTO NET S.A. 3816 552 237 91 Empresa Nacional de Telecomun 6503 552 418 66 AVANTEL, S.A.
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 1235 958 13 TEDATA 24863 830 156 44 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 278 939 229 The Internet Solution 33776 233 12 16 Starcomms Nigeria Limited 15706 222 32 6 Sudatel Internet Exchange Aut 29571 214 17 12 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 16637 163 664 82 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 6389 3440 3807 201 bellsouth.net, inc. 7029 3410 1014 159 Windstream Communications Inc 4766 2485 11107 989 Korea Telecom (KIX) 18566 2091 382 177 Covad Communications 1785 1869 679 124 PaeTec Communications, Inc. 8402 1747 480 15 Corbina telecom 10620 1744 323 172 TVCABLE BOGOTA 17974 1729 501 36 PT TELEKOMUNIKASI INDONESIA 28573 1671 1085 65 NET Servicos de Comunicao S.A 7545 1643 303 86 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7029 3410 3251 Windstream Communications Inc 18566 2091 1914 Covad Communications 1785 1869 1745 PaeTec Communications, Inc. 8402 1747 1732 Corbina telecom 17974 1729 1693 PT TELEKOMUNIKASI INDONESIA 28573 1671 1606 NET Servicos de Comunicao S.A 10620 1744 1572 TVCABLE BOGOTA 7545 1643 1557 TPG Internet Pty Ltd 4766 2485 1496 Korea Telecom (KIX) 22773 1527 1417 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 23.27.0.0/16 18779 Guru.com 27.112.114.0/24 23884 Proimage Engineering and Comm
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 /10:27 /11:80 /12:231 /13:458 /14:814 /15:1473 /16:12146 /17:6211 /18:10349 /19:20461 /20:28272 /21:29283 /22:39889 /23:37022 /24:207548 /25:1180 /26:1425 /27:770 /28:168 /29:57 /30:14 /31:0 /32:18
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3066 3410 Windstream Communications Inc 6389 2110 3440 bellsouth.net, inc. 18566 2040 2091 Covad Communications 8402 1726 1747 Corbina telecom 10620 1641 1744 TVCABLE BOGOTA 30036 1356 1405 Mediacom Communications Corp 11492 1118 1155 Cable One 1785 1064 1869 PaeTec Communications, Inc. 8452 1045 1235 TEDATA 15557 1045 1098 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:506 2:719 4:14 5:1 6:3 8:385 12:1957 13:1 14:599 15:11 16:3 17:7 20:8 23:135 24:1731 27:1194 31:935 32:65 33:2 34:2 36:9 37:185 38:779 40:115 41:3114 42:96 43:1 44:3 46:1301 47:3 49:331 50:502 52:13 54:2 55:10 56:3 57:38 58:967 59:495 60:344 61:1195 62:948 63:2005 64:4149 65:2283 66:4451 67:2035 68:1173 69:3164 70:934 71:414 72:1795 74:2656 75:467 76:320 77:978 78:949 79:483 80:1212 81:877 82:607 83:523 84:583 85:1152 86:742 87:913 88:338 89:1556 90:282 91:4475 92:527 93:1349 94:1376 95:1107 96:419 97:312 98:820 99:38 100:4 101:145 103:800 106:65 107:157 108:168 109:1488 110:695 111:851 112:437 113:530 114:603 115:765 116:866 117:710 118:903 119:1254 120:362 121:688 122:1624 123:1086 124:1333 125:1324 128:539 129:190 130:216 131:584 132:165 133:21 134:234 135:62 136:211 137:176 138:286 139:145 140:490 141:264 142:395 143:400 144:506 145:69 146:484 147:238 148:732 149:282 150:163 151:198 152:447 153:170 154:7 155:390 156:212 157:366 158:160 159:512 160:321 161:244 162:331 163:186 164:530 165:390 166:559 167:458 168:761 169:147 170:836 171:114 172:4 173:1722 174:596 175:417 176:497 177:505 178:1273 180:1180 181:67 182:727 183:279 184:431 185:1 186:1989 187:863 188:1071 189:1179 190:5515 192:5980 193:5533 194:4341 195:3403 196:1273 197:166 198:3617 199:4397 200:5679 201:1740 202:8415 203:8635 204:4368 205:2427 206:2741 207:2783 208:4071 209:3554 210:2764 211:1482 212:2013 213:1839 214:848 215:90 216:5030 217:1486 218:551 219:338 220:1225 221:561 222:324 223:313
End of report
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