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Routing Table Report 04:00 +10GMT Sun 30 Oct, 2011
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 379558 Prefixes after maximum aggregation: 166296 Deaggregation factor: 2.28 Unique aggregates announced to Internet: 186203 Total ASes present in the Internet Routing Table: 39169 Prefixes per ASN: 9.69 Origin-only ASes present in the Internet Routing Table: 32349 Origin ASes announcing only one prefix: 15487 Transit ASes present in the Internet Routing Table: 5255 Transit-only ASes present in the Internet Routing Table: 132 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: 1579 Unregistered ASNs in the Routing Table: 843 Number of 32-bit ASNs allocated by the RIRs: 1914 Number of 32-bit ASNs visible in the Routing Table: 1565 Prefixes from 32-bit ASNs in the Routing Table: 3626 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 89 Number of addresses announced to Internet: 2489057632 Equivalent to 148 /8s, 92 /16s and 1 /24s Percentage of available address space announced: 67.2 Percentage of allocated address space announced: 67.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.5 Total number of prefixes smaller than registry allocations: 159545
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 94859 Total APNIC prefixes after maximum aggregation: 30981 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 91303 Unique aggregates announced from the APNIC address blocks: 38094 APNIC Region origin ASes present in the Internet Routing Table: 4587 APNIC Prefixes per ASN: 19.90 APNIC Region origin ASes announcing only one prefix: 1263 APNIC Region transit ASes present in the Internet Routing Table: 717 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 98 Number of APNIC addresses announced to Internet: 629436256 Equivalent to 37 /8s, 132 /16s and 111 /24s Percentage of available APNIC address space announced: 79.8
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: 145848 Total ARIN prefixes after maximum aggregation: 74451 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 117775 Unique aggregates announced from the ARIN address blocks: 48209 ARIN Region origin ASes present in the Internet Routing Table: 14732 ARIN Prefixes per ASN: 7.99 ARIN Region origin ASes announcing only one prefix: 5654 ARIN Region transit ASes present in the Internet Routing Table: 1552 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 804714496 Equivalent to 47 /8s, 246 /16s and 248 /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: 91101 Total RIPE prefixes after maximum aggregation: 50873 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 83726 Unique aggregates announced from the RIPE address blocks: 54380 RIPE Region origin ASes present in the Internet Routing Table: 16075 RIPE Prefixes per ASN: 5.21 RIPE Region origin ASes announcing only one prefix: 7966 RIPE Region transit ASes present in the Internet Routing Table: 2528 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: 1094 Number of RIPE addresses announced to Internet: 491261376 Equivalent to 29 /8s, 72 /16s and 13 /24s Percentage of available RIPE address space announced: 79.1
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: 35454 Total LACNIC prefixes after maximum aggregation: 7904 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 34893 Unique aggregates announced from the LACNIC address blocks: 18140 LACNIC Region origin ASes present in the Internet Routing Table: 1543 LACNIC Prefixes per ASN: 22.61 LACNIC Region origin ASes announcing only one prefix: 448 LACNIC Region transit ASes present in the Internet Routing Table: 282 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 357 Number of LACNIC addresses announced to Internet: 92675520 Equivalent to 5 /8s, 134 /16s and 29 /24s Percentage of available LACNIC address space announced: 61.4
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: 8502 Total AfriNIC prefixes after maximum aggregation: 2011 AfriNIC Deaggregation factor: 4.23 Prefixes being announced from the AfriNIC address blocks: 6612 Unique aggregates announced from the AfriNIC address blocks: 1964 AfriNIC Region origin ASes present in the Internet Routing Table: 491 AfriNIC Prefixes per ASN: 13.47 AfriNIC Region origin ASes announcing only one prefix: 156 AfriNIC Region transit ASes present in the Internet Routing Table: 108 Average AfriNIC Region AS path length visible: 4.7 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: 27893760 Equivalent to 1 /8s, 169 /16s and 160 /24s Percentage of available AfriNIC address space announced: 41.6
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 2507 11096 967 Korea Telecom (KIX) 17974 1870 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1613 303 86 TPG Internet Pty Ltd 4755 1539 637 174 TATA Communications formerly 7552 1393 1064 8 Vietel Corporation 9829 1166 989 28 BSNL National Internet Backbo 9583 1091 80 499 Sify Limited 4808 1090 2103 312 CNCGROUP IP network: China169 24560 964 342 218 Bharti Airtel Ltd., Telemedia 18101 953 166 149 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 3544 3814 220 bellsouth.net, inc. 7029 2332 1016 197 Windstream Communications Inc 18566 2096 383 177 Covad Communications 1785 1841 680 122 PaeTec Communications, Inc. 4323 1623 1078 388 Time Warner Telecom 20115 1596 1547 621 Charter Communications 22773 1459 2907 100 Cox Communications, Inc. 19262 1395 4728 400 Verizon Global Networks 30036 1395 253 668 Mediacom Communications Corp 7018 1315 7029 859 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 1445 352 13 Corbina telecom 6830 653 1927 415 UPC Distribution Services 34984 590 108 180 BILISIM TELEKOM 20940 547 182 422 Akamai Technologies European 3320 506 8169 386 Deutsche Telekom AG 12479 479 596 9 Uni2 Autonomous System 3292 478 2074 405 TDC Tele Danmark 8866 461 133 26 Bulgarian Telecommunication C 8551 403 354 44 Bezeq International 31148 402 22 111 FreeNet ISP
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 1699 314 156 TVCABLE BOGOTA 28573 1473 1040 72 NET Servicos de Comunicao S.A 8151 1414 2927 347 UniNet S.A. de C.V. 7303 1231 748 177 Telecom Argentina Stet-France 27947 588 72 83 Telconet S.A 22047 580 322 17 VTR PUNTO NET S.A. 6503 568 434 68 AVANTEL, S.A. 7738 552 1050 31 Telecomunicacoes da Bahia S.A 3816 537 233 95 Empresa Nacional de Telecomun 11172 525 86 96 Servicios Alestra S.A de C.V
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 24863 802 146 36 LINKdotNET AS number 8452 651 446 12 TEDATA 15475 445 74 8 Nile Online 36992 298 415 19 Etisalat MISR 3741 280 939 229 The Internet Solution 6713 244 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 33776 240 13 8 Starcomms Nigeria Limited 29571 219 18 14 Ci Telecom Autonomous system 12258 196 28 57 Vodacom Internet Company
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 3544 3814 220 bellsouth.net, inc. 4766 2507 11096 967 Korea Telecom (KIX) 7029 2332 1016 197 Windstream Communications Inc 18566 2096 383 177 Covad Communications 17974 1870 519 33 PT TELEKOMUNIKASI INDONESIA 1785 1841 680 122 PaeTec Communications, Inc. 10620 1699 314 156 TVCABLE BOGOTA 4323 1623 1078 388 Time Warner Telecom 7545 1613 303 86 TPG Internet Pty Ltd 20115 1596 1547 621 Charter Communications
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 2332 2135 Windstream Communications Inc 18566 2096 1919 Covad Communications 17974 1870 1837 PT TELEKOMUNIKASI INDONESIA 1785 1841 1719 PaeTec Communications, Inc. 10620 1699 1543 TVCABLE BOGOTA 4766 2507 1540 Korea Telecom (KIX) 7545 1613 1527 TPG Internet Pty Ltd 8402 1445 1432 Corbina telecom 28573 1473 1401 NET Servicos de Comunicao S.A 7552 1393 1385 Vietel Corporation
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 128.0.0.0/16 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 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless
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 /11:81 /12:236 /13:465 /14:809 /15:1425 /16:12028 /17:6071 /18:10088 /19:19940 /20:27559 /21:27554 /22:37219 /23:35221 /24:197362 /25:1165 /26:1351 /27:755 /28:162 /29:4 /30:0 /31:0 /32:5
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2184 3544 bellsouth.net, inc. 18566 2045 2096 Covad Communications 7029 2002 2332 Windstream Communications Inc 10620 1594 1699 TVCABLE BOGOTA 8402 1421 1445 Corbina telecom 30036 1356 1395 Mediacom Communications Corp 11492 1118 1156 Cable One 1785 1056 1841 PaeTec Communications, Inc. 7011 1050 1168 Citizens Utilities 22773 947 1459 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:410 2:486 4:15 5:1 6:3 8:360 12:1953 13:1 14:541 15:11 16:3 17:7 20:9 23:60 24:1682 27:973 31:625 32:61 33:2 34:2 36:4 38:756 40:110 41:2666 42:53 44:3 46:1014 47:3 49:296 50:442 52:13 55:5 56:2 57:40 58:883 59:493 60:363 61:1171 62:1089 63:1958 64:4061 65:2306 66:4279 67:1988 68:1153 69:3203 70:882 71:383 72:1804 74:2607 75:393 76:317 77:879 78:851 79:473 80:1137 81:831 82:509 83:527 84:618 85:1125 86:403 87:890 88:354 89:1600 90:237 91:4241 92:530 93:1523 94:1301 95:1058 96:434 97:283 98:929 99:37 101:220 103:412 106:70 107:78 108:72 109:1054 110:664 111:795 112:333 113:486 114:617 115:710 116:883 117:720 118:902 119:1259 120:339 121:693 122:1567 123:1017 124:1354 125:1361 128:244 129:189 130:163 131:624 132:147 133:21 134:219 135:54 136:213 137:140 138:286 139:123 140:476 141:311 142:389 143:423 144:495 145:63 146:461 147:217 148:638 149:267 150:167 151:194 152:447 153:178 154:7 155:388 156:208 157:362 158:154 159:484 160:331 161:214 162:371 163:173 164:509 165:370 166:538 167:429 168:742 169:146 170:873 171:86 172:4 173:1719 174:676 175:421 176:280 177:366 178:1083 180:1119 181:36 182:654 183:221 184:381 185:1 186:1293 187:711 188:949 189:870 190:5147 192:5933 193:5036 194:3559 195:3115 196:1233 197:164 198:3621 199:4169 200:5509 201:1665 202:8576 203:8481 204:4304 205:2369 206:2672 207:2831 208:4026 209:3572 210:2715 211:1460 212:2085 213:1776 214:794 215:96 216:4921 217:1605 218:565 219:342 220:1252 221:515 222:343 223:272
End of report
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