Orbit

Routing Table Report 04:00 +10GMT Fri 28 Oct, 2011

Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary ----------------

BGP routing table entries examined: 379319 Prefixes after maximum aggregation: 166229 Deaggregation factor: 2.28 Unique aggregates announced to Internet: 186133 Total ASes present in the Internet Routing Table: 39187 Prefixes per ASN: 9.68 Origin-only ASes present in the Internet Routing Table: 32364 Origin ASes announcing only one prefix: 15504 Transit ASes present in the Internet Routing Table: 5259 Transit-only ASes present in the Internet Routing Table: 135 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: 1568 Unregistered ASNs in the Routing Table: 838 Number of 32-bit ASNs allocated by the RIRs: 1905 Number of 32-bit ASNs visible in the Routing Table: 1564 Prefixes from 32-bit ASNs in the Routing Table: 3633 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 91 Number of addresses announced to Internet: 2488411680 Equivalent to 148 /8s, 82 /16s and 38 /24s Percentage of available address space announced: 67.1 Percentage of allocated address space announced: 67.1 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: 159464

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 94829 Total APNIC prefixes after maximum aggregation: 30976 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 91273 Unique aggregates announced from the APNIC address blocks: 38079 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: 719 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: 629398688 Equivalent to 37 /8s, 131 /16s and 220 /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: 145706 Total ARIN prefixes after maximum aggregation: 74475 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 117644 Unique aggregates announced from the ARIN address blocks: 48221 ARIN Region origin ASes present in the Internet Routing Table: 14754 ARIN Prefixes per ASN: 7.97 ARIN Region origin ASes announcing only one prefix: 5672 ARIN Region transit ASes present in the Internet Routing Table: 1560 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: 804669952 Equivalent to 47 /8s, 246 /16s and 74 /24s Percentage of available ARIN address space announced: 63.9

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: 91017 Total RIPE prefixes after maximum aggregation: 50797 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 83660 Unique aggregates announced from the RIPE address blocks: 54244 RIPE Region origin ASes present in the Internet Routing Table: 16069 RIPE Prefixes per ASN: 5.21 RIPE Region origin ASes announcing only one prefix: 7970 RIPE Region transit ASes present in the Internet Routing Table: 2518 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: 491203904 Equivalent to 29 /8s, 71 /16s and 45 /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: 35447 Total LACNIC prefixes after maximum aggregation: 7890 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 34897 Unique aggregates announced from the LACNIC address blocks: 18143 LACNIC Region origin ASes present in the Internet Routing Table: 1542 LACNIC Prefixes per ASN: 22.63 LACNIC Region origin ASes announcing only one prefix: 444 LACNIC Region transit ASes present in the Internet Routing Table: 281 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: 356 Number of LACNIC addresses announced to Internet: 92331456 Equivalent to 5 /8s, 128 /16s and 221 /24s Percentage of available LACNIC address space announced: 61.1

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: 8518 Total AfriNIC prefixes after maximum aggregation: 2014 AfriNIC Deaggregation factor: 4.23 Prefixes being announced from the AfriNIC address blocks: 6621 Unique aggregates announced from the AfriNIC address blocks: 1980 AfriNIC Region origin ASes present in the Internet Routing Table: 491 AfriNIC Prefixes per ASN: 13.48 AfriNIC Region origin ASes announcing only one prefix: 155 AfriNIC Region transit ASes present in the Internet Routing Table: 108 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: 27837952 Equivalent to 1 /8s, 168 /16s and 198 /24s Percentage of available AfriNIC address space announced: 41.5

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 1910 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1613 303 86 TPG Internet Pty Ltd 4755 1540 637 174 TATA Communications formerly 7552 1390 1064 8 Vietel Corporation 9829 1166 989 28 BSNL National Internet Backbo 9583 1091 80 499 Sify Limited 4808 1088 2103 312 CNCGROUP IP network: China169 24560 964 342 218 Bharti Airtel Ltd., Telemedia 18101 953 166 150 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 3545 3814 220 bellsouth.net, inc. 7029 2329 1016 197 Windstream Communications Inc 18566 2097 383 177 Covad Communications 1785 1840 680 122 PaeTec Communications, Inc. 4323 1623 1078 388 Time Warner Telecom 20115 1595 1546 620 Charter Communications 22773 1458 2907 100 Cox Communications, Inc. 19262 1395 4728 400 Verizon Global Networks 30036 1391 252 671 Mediacom Communications Corp 7018 1317 7030 861 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 1524 352 13 Corbina telecom 6830 653 1927 415 UPC Distribution Services 34984 590 108 180 BILISIM TELEKOM 20940 548 182 422 Akamai Technologies European 3320 504 8169 384 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 401 21 111 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 1698 314 155 TVCABLE BOGOTA 28573 1470 1033 70 NET Servicos de Comunicao S.A 8151 1422 2927 348 UniNet S.A. de C.V. 7303 1227 747 177 Telecom Argentina Stet-France 27947 589 72 84 Telconet S.A 22047 580 322 17 VTR PUNTO NET S.A. 6503 572 450 69 AVANTEL, S.A. 7738 552 1050 31 Telecomunicacoes da Bahia S.A 3816 538 233 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 799 146 33 LINKdotNET AS number 8452 651 446 12 TEDATA 15475 443 74 8 Nile Online 36992 299 415 21 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 218 17 13 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 3545 3814 220 bellsouth.net, inc. 4766 2507 11096 967 Korea Telecom (KIX) 7029 2329 1016 197 Windstream Communications Inc 18566 2097 383 177 Covad Communications 17974 1910 519 33 PT TELEKOMUNIKASI INDONESIA 1785 1840 680 122 PaeTec Communications, Inc. 10620 1698 314 155 TVCABLE BOGOTA 4323 1623 1078 388 Time Warner Telecom 7545 1613 303 86 TPG Internet Pty Ltd 20115 1595 1546 620 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 2329 2132 Windstream Communications Inc 18566 2097 1920 Covad Communications 17974 1910 1877 PT TELEKOMUNIKASI INDONESIA 1785 1840 1718 PaeTec Communications, Inc. 10620 1698 1543 TVCABLE BOGOTA 4766 2507 1540 Korea Telecom (KIX) 7545 1613 1527 TPG Internet Pty Ltd 8402 1524 1511 Corbina telecom 28573 1470 1400 NET Servicos de Comunicao S.A 7552 1390 1382 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

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 /14:808 /15:1424 /16:12014 /17:6064 /18:10077 /19:19935 /20:27530 /21:27541 /22:37197 /23:35208 /24:197233 /25:1164 /26:1354 /27:756 /28:165 /29:4 /30:0 /31:0 /32:5

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 6389 2185 3545 bellsouth.net, inc. 18566 2046 2097 Covad Communications 7029 1999 2329 Windstream Communications Inc 10620 1593 1698 TVCABLE BOGOTA 8402 1500 1524 Corbina telecom 30036 1352 1391 Mediacom Communications Corp 11492 1118 1156 Cable One 1785 1056 1840 PaeTec Communications, Inc. 7011 1050 1168 Citizens Utilities 22773 946 1458 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global) ----------------------------------------------

1:409 2:484 4:15 5:1 6:3 8:361 12:1952 13:1 14:540 15:11 16:3 17:7 20:9 23:59 24:1679 27:971 31:618 32:65 33:4 34:2 36:4 38:757 40:110 41:2679 42:53 44:3 46:1009 47:3 49:296 50:435 52:13 55:7 56:2 57:40 58:883 59:494 60:363 61:1157 62:1085 63:1957 64:4059 65:2310 66:4276 67:1980 68:1154 69:3210 70:883 71:381 72:1804 74:2577 75:392 76:318 77:880 78:871 79:452 80:1132 81:835 82:503 83:527 84:618 85:1124 86:402 87:890 88:354 89:1597 90:238 91:4229 92:529 93:1531 94:1307 95:1092 96:434 97:284 98:925 99:37 101:220 103:405 106:70 107:79 108:72 109:1050 110:665 111:790 112:334 113:485 114:614 115:710 116:888 117:721 118:882 119:1261 120:339 121:693 122:1566 123:1016 124:1357 125:1362 128:243 129:185 130:164 131:618 132:146 133:21 134:219 135:54 136:213 137:140 138:287 139:123 140:485 141:308 142:389 143:423 144:493 145:63 146:458 147:224 148:641 149:267 150:167 151:192 152:447 153:178 154:7 155:388 156:208 157:363 158:154 159:484 160:329 161:214 162:341 163:174 164:511 165:370 166:537 167:437 168:742 169:146 170:872 171:86 172:4 173:1718 174:670 175:423 176:290 177:360 178:1073 180:1121 181:36 182:653 183:216 184:376 185:1 186:1304 187:705 188:952 189:867 190:5144 192:5930 193:5034 194:3557 195:3112 196:1236 197:162 198:3625 199:4164 200:5515 201:1690 202:8573 203:8486 204:4304 205:2363 206:2670 207:2828 208:4011 209:3569 210:2713 211:1460 212:2076 213:1776 214:795 215:96 216:4922 217:1599 218:564 219:343 220:1250 221:513 222:346 223:269

End of report