Routing Table Report 00:00 GMT Mon 27 Feb, 2012
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 402143 Prefixes after maximum aggregation: 171459 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 193680 Total ASes present in the Internet Routing Table: 40222 Prefixes per ASN: 10.00 Origin-only ASes present in the Internet Routing Table: 32898 Origin ASes announcing only one prefix: 15543 Transit ASes present in the Internet Routing Table: 5304 Transit-only ASes present in the Internet Routing Table: 134 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 28 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5240 Unregistered ASNs in the Routing Table: 159 Number of 32-bit ASNs allocated by the RIRs: 2294 Number of 32-bit ASNs visible in the Routing Table: 2020 Prefixes from 32-bit ASNs in the Routing Table: 4855 Special use prefixes present in the Routing Table: 87 Prefixes being announced from unallocated address space: 319 Number of addresses announced to Internet: 2522429665 Equivalent to 150 /8s, 89 /16s and 56 /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: 92.0 Total number of prefixes smaller than registry allocations: 169465
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 96080 Total APNIC prefixes after maximum aggregation: 30687 APNIC Deaggregation factor: 3.13 Prefixes being announced from the APNIC address blocks: 92621 Unique aggregates announced from the APNIC address blocks: 39237 APNIC Region origin ASes present in the Internet Routing Table: 4640 APNIC Prefixes per ASN: 19.96 APNIC Region origin ASes announcing only one prefix: 1239 APNIC Region transit ASes present in the Internet Routing Table: 739 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 151 Number of APNIC addresses announced to Internet: 640041728 Equivalent to 38 /8s, 38 /16s and 67 /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: 151199 Total ARIN prefixes after maximum aggregation: 77609 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 122774 Unique aggregates announced from the ARIN address blocks: 49629 ARIN Region origin ASes present in the Internet Routing Table: 14936 ARIN Prefixes per ASN: 8.22 ARIN Region origin ASes announcing only one prefix: 5679 ARIN Region transit ASes present in the Internet Routing Table: 1520 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 805520392 Equivalent to 48 /8s, 3 /16s and 68 /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: 101699 Total RIPE prefixes after maximum aggregation: 52856 RIPE Deaggregation factor: 1.92 Prefixes being announced from the RIPE address blocks: 92557 Unique aggregates announced from the RIPE address blocks: 56722 RIPE Region origin ASes present in the Internet Routing Table: 16350 RIPE Prefixes per ASN: 5.66 RIPE Region origin ASes announcing only one prefix: 8020 RIPE Region transit ASes present in the Internet Routing Table: 2562 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1391 Number of RIPE addresses announced to Internet: 501385612 Equivalent to 29 /8s, 226 /16s and 137 /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: 39317 Total LACNIC prefixes after maximum aggregation: 8113 LACNIC Deaggregation factor: 4.85 Prefixes being announced from the LACNIC address blocks: 38928 Unique aggregates announced from the LACNIC address blocks: 19576 LACNIC Region origin ASes present in the Internet Routing Table: 1571 LACNIC Prefixes per ASN: 24.78 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: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 459 Number of LACNIC addresses announced to Internet: 97411592 Equivalent to 5 /8s, 206 /16s and 98 /24s Percentage of available LACNIC address space announced: 64.5
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: 8762 Total AfriNIC prefixes after maximum aggregation: 2097 AfriNIC Deaggregation factor: 4.18 Prefixes being announced from the AfriNIC address blocks: 6775 Unique aggregates announced from the AfriNIC address blocks: 2104 AfriNIC Region origin ASes present in the Internet Routing Table: 511 AfriNIC Prefixes per ASN: 13.26 AfriNIC Region origin ASes announcing only one prefix: 162 AfriNIC Region transit ASes present in the Internet Routing Table: 121 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 31376128 Equivalent to 1 /8s, 222 /16s and 195 /24s Percentage of available AfriNIC address space announced: 46.8
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 1919 11099 676 Korea Telecom (KIX) 17974 1735 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1638 303 87 TPG Internet Pty Ltd 4755 1559 386 157 Videsh Sanchar Nigam Ltd. Aut 9829 1182 997 29 BSNL National Internet Backbo 9583 1129 84 483 Sify Limited 7552 1104 1062 11 Vietel Corporation 4808 1069 2041 306 CNCGROUP IP network: China169 24560 1023 385 167 Bharti Airtel Ltd. 18101 948 130 154 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3433 3807 200 bellsouth.net, inc. 7029 3432 1028 167 Windstream Communications Inc 18566 2093 382 177 Covad Communications 1785 1874 680 127 AppliedTheory Corporation 20115 1629 1551 629 Charter Communications 4323 1607 1075 381 Time Warner Telecom 22773 1536 2910 110 Cox Communications, Inc. 30036 1416 254 744 Mediacom Communications Corp 19262 1389 4703 399 Verizon Global Networks 7018 1310 11092 854 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8402 1803 480 15 Corbina telecom 2118 1398 97 13 EUnet/RELCOM Autonomous Syste 15557 1099 2184 60 LDCOM NETWORKS 286 1058 806 200 KPNQwest Backbone AS 34984 657 188 172 Tellcom Iletisim Hizmetleri 6830 645 1927 414 UPC Distribution Services 20940 624 203 484 Akamai Technologies European 12479 608 644 55 Uni2 Autonomous System 8551 600 360 81 Bezeq International 9116 541 326 32 Goldenlines main autonomous s
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 10620 1751 324 171 TVCABLE BOGOTA 28573 1681 1088 62 Types of queries are: POCs, o 8151 1525 2992 348 Uninet S.A. de C.V. 7303 1328 822 186 Telecom Argentina Stet-France 26615 864 664 33 Types of queries are: POCs, o 27947 663 67 108 Telconet S.A 11172 632 91 72 Alestra 6503 583 418 67 AVANTEL, S.A. 22047 581 322 17 Types of queries are: POCs, o 3816 557 239 93 COLOMBIA TELECOMUNICACIONES S
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1253 958 13 TEDATA 24863 831 274 35 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 29571 214 17 12 Ci Telecom Autonomous system 12258 197 28 62 YEBO-AS 24835 194 80 8 RAYA Telecom - Egypt 33776 182 12 20 Starcomms Nigeria Limited 36923 157 20 4 Swift Networks Limited
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3433 3807 200 bellsouth.net, inc. 7029 3432 1028 167 Windstream Communications Inc 18566 2093 382 177 Covad Communications 4766 1919 11099 676 Korea Telecom (KIX) 1785 1874 680 127 AppliedTheory Corporation 8402 1803 480 15 Corbina telecom 10620 1751 324 171 TVCABLE BOGOTA 17974 1735 503 36 PT TELEKOMUNIKASI INDONESIA 28573 1681 1088 62 Types of queries are: POCs, o 7545 1638 303 87 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7029 3432 3265 Windstream Communications Inc 18566 2093 1916 Covad Communications 8402 1803 1788 Corbina telecom 1785 1874 1747 AppliedTheory Corporation 17974 1735 1699 PT TELEKOMUNIKASI INDONESIA 28573 1681 1619 Types of queries are: POCs, o 10620 1751 1580 TVCABLE BOGOTA 7545 1638 1551 TPG Internet Pty Ltd 22773 1536 1426 Cox Communications, Inc. 4755 1559 1402 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 23456 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 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 12.45.103.0/24 209 Qwest 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.245.1/32 286 KPNQwest Backbone AS 10.29.245.2/32 286 KPNQwest Backbone AS 10.29.245.15/32 286 KPNQwest Backbone AS 10.29.245.19/32 286 KPNQwest Backbone AS 10.29.245.20/32 286 KPNQwest Backbone AS 10.29.245.21/32 286 KPNQwest Backbone AS 10.29.245.22/32 286 KPNQwest Backbone AS 10.29.245.25/32 286 KPNQwest Backbone AS 10.29.245.26/32 286 KPNQwest Backbone AS 10.29.245.27/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.rand.apnic.net/rviews/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/rviews/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 /12:232 /13:459 /14:822 /15:1503 /16:12309 /17:6482 /18:10750 /19:21014 /20:29573 /21:29659 /22:40135 /23:37555 /24:209886 /25:67 /26:76 /27:108 /28:277 /29:106 /30:522 /31:18 /32:450
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3075 3432 Windstream Communications Inc 6389 2106 3433 bellsouth.net, inc. 18566 2042 2093 Covad Communications 8402 1782 1803 Corbina telecom 10620 1648 1751 TVCABLE BOGOTA 30036 1366 1416 Mediacom Communications Corp 11492 1122 1159 Cable One 1785 1064 1874 AppliedTheory Corporation 8452 1061 1253 TEDATA 15557 1046 1099 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:513 2:774 4:18 6:3 8:391 12:1968 13:1 14:606 15:11 16:3 17:7 20:8 23:134 24:1745 27:1188 31:947 32:124 33:2 34:2 36:9 37:206 38:778 39:4 40:116 41:2974 42:114 43:1 44:3 46:1351 47:3 49:337 50:513 52:13 54:2 55:7 56:3 57:46 58:970 59:494 60:345 61:1204 62:974 63:2026 64:4144 65:2285 66:4493 67:2071 68:1357 69:3282 70:955 71:406 72:1822 73:1 74:2700 75:483 76:330 77:969 78:970 79:521 80:1222 81:884 82:642 83:531 84:600 85:1160 86:737 87:921 88:350 89:1576 90:282 91:4527 92:512 93:1354 94:1393 95:1121 96:425 97:311 98:830 99:38 100:4 101:246 103:847 106:66 107:162 108:181 109:1552 110:729 111:856 112:442 113:547 114:609 115:784 116:889 117:723 118:917 119:1269 120:368 121:714 122:1631 123:1089 124:1393 125:1325 128:537 129:193 130:219 131:591 132:164 133:21 134:236 135:62 136:214 137:183 138:268 139:157 140:468 141:261 142:395 143:415 144:512 145:69 146:486 147:251 148:767 149:300 150:164 151:198 152:448 153:171 154:7 155:416 156:213 157:372 158:164 159:514 160:321 161:245 162:342 163:179 164:527 165:413 166:559 167:458 168:764 169:149 170:838 171:118 172:4 173:1744 174:601 175:443 176:514 177:512 178:1284 180:1211 181:68 182:755 183:283 184:435 185:1 186:2033 187:858 188:1084 189:1204 190:5510 192:6004 193:5566 194:4368 195:3436 196:1287 197:165 198:3632 199:4422 200:5704 201:1737 202:8441 203:8693 204:4361 205:2447 206:2763 207:2797 208:4088 209:3577 210:2783 211:1489 212:2072 213:1851 214:831 215:100 216:5036 217:1506 218:553 219:338 220:1236 221:563 222:347 223:314
End of report
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Routing Analysis Role Account