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Routing Table Report 00:00 GMT Wed 22 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: 401758 Prefixes after maximum aggregation: 171344 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 192759 Total ASes present in the Internet Routing Table: 40160 Prefixes per ASN: 10.00 Origin-only ASes present in the Internet Routing Table: 32901 Origin ASes announcing only one prefix: 15535 Transit ASes present in the Internet Routing Table: 5265 Transit-only ASes present in the Internet Routing Table: 131 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5178 Unregistered ASNs in the Routing Table: 147 Number of 32-bit ASNs allocated by the RIRs: 2286 Number of 32-bit ASNs visible in the Routing Table: 1994 Prefixes from 32-bit ASNs in the Routing Table: 4799 Special use prefixes present in the Routing Table: 87 Prefixes being announced from unallocated address space: 259 Number of addresses announced to Internet: 2517460957 Equivalent to 150 /8s, 13 /16s and 103 /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: 169359
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 96023 Total APNIC prefixes after maximum aggregation: 30725 APNIC Deaggregation factor: 3.13 Prefixes being announced from the APNIC address blocks: 92406 Unique aggregates announced from the APNIC address blocks: 39154 APNIC Region origin ASes present in the Internet Routing Table: 4636 APNIC Prefixes per ASN: 19.93 APNIC Region origin ASes announcing only one prefix: 1246 APNIC Region transit ASes present in the Internet Routing Table: 732 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 150 Number of APNIC addresses announced to Internet: 636161280 Equivalent to 37 /8s, 235 /16s and 13 /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: 151246 Total ARIN prefixes after maximum aggregation: 77638 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 122841 Unique aggregates announced from the ARIN address blocks: 49541 ARIN Region origin ASes present in the Internet Routing Table: 14910 ARIN Prefixes per ASN: 8.24 ARIN Region origin ASes announcing only one prefix: 5661 ARIN Region transit ASes present in the Internet Routing Table: 1509 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 805348616 Equivalent to 48 /8s, 0 /16s and 165 /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: 101457 Total RIPE prefixes after maximum aggregation: 52675 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 92300 Unique aggregates announced from the RIPE address blocks: 56167 RIPE Region origin ASes present in the Internet Routing Table: 16345 RIPE Prefixes per ASN: 5.65 RIPE Region origin ASes announcing only one prefix: 8020 RIPE Region transit ASes present in the Internet Routing Table: 2551 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1371 Number of RIPE addresses announced to Internet: 501299084 Equivalent to 29 /8s, 225 /16s and 55 /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: 38999 Total LACNIC prefixes after maximum aggregation: 8121 LACNIC Deaggregation factor: 4.80 Prefixes being announced from the LACNIC address blocks: 38612 Unique aggregates announced from the LACNIC address blocks: 19443 LACNIC Region origin ASes present in the Internet Routing Table: 1572 LACNIC Prefixes per ASN: 24.56 LACNIC Region origin ASes announcing only one prefix: 445 LACNIC Region transit ASes present in the Internet Routing Table: 295 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 454 Number of LACNIC addresses announced to Internet: 96660232 Equivalent to 5 /8s, 194 /16s and 235 /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: 9006 Total AfriNIC prefixes after maximum aggregation: 2096 AfriNIC Deaggregation factor: 4.30 Prefixes being announced from the AfriNIC address blocks: 7034 Unique aggregates announced from the AfriNIC address blocks: 2100 AfriNIC Region origin ASes present in the Internet Routing Table: 517 AfriNIC Prefixes per ASN: 13.61 AfriNIC Region origin ASes announcing only one prefix: 163 AfriNIC Region transit ASes present in the Internet Routing Table: 120 Average AfriNIC Region AS path length visible: 3.8 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: 31468544 Equivalent to 1 /8s, 224 /16s and 44 /24s Percentage of available AfriNIC address space announced: 46.9
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 1924 11104 677 Korea Telecom (KIX) 17974 1735 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1638 303 84 TPG Internet Pty Ltd 4755 1556 385 157 Videsh Sanchar Nigam Ltd. Aut 7552 1281 1064 7 Vietel Corporation 9829 1182 997 29 BSNL National Internet Backbo 9583 1126 84 483 Sify Limited 4808 1071 2043 307 CNCGROUP IP network: China169 24560 1019 385 167 Bharti Airtel Ltd. 18101 951 131 156 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 3439 3807 202 bellsouth.net, inc. 7029 3351 1044 172 Windstream Communications Inc 18566 2092 382 177 Covad Communications 1785 1875 680 126 AppliedTheory Corporation 20115 1627 1550 629 Charter Communications 4323 1606 1059 380 Time Warner Telecom 22773 1529 2910 110 Cox Communications, Inc. 30036 1407 252 747 Mediacom Communications Corp 19262 1387 4703 397 Verizon Global Networks 7018 1317 7013 857 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 1729 480 15 Corbina telecom 2118 1399 97 13 EUnet/RELCOM Autonomous Syste 15557 1099 2184 60 LDCOM NETWORKS 286 1057 806 200 KPNQwest Backbone AS 34984 657 188 172 Tellcom Iletisim Hizmetleri 6830 644 1927 413 UPC Distribution Services 20940 612 198 476 Akamai Technologies European 12479 608 644 55 Uni2 Autonomous System 8551 567 360 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 1746 323 171 TVCABLE BOGOTA 28573 1642 1085 65 Types of queries are: POCs, o 8151 1525 2990 347 Uninet S.A. de C.V. 7303 1264 758 183 Telecom Argentina Stet-France 26615 814 656 32 Types of queries are: POCs, o 27947 657 67 106 Telconet S.A 11172 634 107 74 Alestra 22047 581 322 17 Types of queries are: POCs, o 6503 562 418 68 AVANTEL, S.A. 3816 557 238 91 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 1227 958 13 TEDATA 24863 832 274 35 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 33776 242 13 8 Starcomms Nigeria Limited 15706 226 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 16637 160 664 85 Johnnic e-Ventures
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 3439 3807 202 bellsouth.net, inc. 7029 3351 1044 172 Windstream Communications Inc 18566 2092 382 177 Covad Communications 4766 1924 11104 677 Korea Telecom (KIX) 1785 1875 680 126 AppliedTheory Corporation 10620 1746 323 171 TVCABLE BOGOTA 17974 1735 503 36 PT TELEKOMUNIKASI INDONESIA 8402 1729 480 15 Corbina telecom 28573 1642 1085 65 Types of queries are: POCs, o 7545 1638 303 84 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 3351 3179 Windstream Communications Inc 18566 2092 1915 Covad Communications 1785 1875 1749 AppliedTheory Corporation 8402 1729 1714 Corbina telecom 17974 1735 1699 PT TELEKOMUNIKASI INDONESIA 28573 1642 1577 Types of queries are: POCs, o 10620 1746 1575 TVCABLE BOGOTA 7545 1638 1554 TPG Internet Pty Ltd 22773 1529 1419 Cox Communications, Inc. 4755 1556 1399 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 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
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 /8:20 /9:12 /10:27 /11:80 /12:231 /13:459 /14:817 /15:1501 /16:12306 /17:6478 /18:10761 /19:21029 /20:29574 /21:29704 /22:40252 /23:37513 /24:209353 /25:67 /26:82 /27:110 /28:281 /29:104 /30:529 /31:19 /32:449
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 2988 3351 Windstream Communications Inc 6389 2108 3439 bellsouth.net, inc. 18566 2041 2092 Covad Communications 8402 1708 1729 Corbina telecom 10620 1643 1746 TVCABLE BOGOTA 30036 1358 1407 Mediacom Communications Corp 11492 1119 1156 Cable One 1785 1063 1875 AppliedTheory Corporation 15557 1046 1099 LDCOM NETWORKS 7011 1037 1153 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:506 2:695 4:18 5:1 6:3 8:388 12:1961 13:1 14:606 15:11 16:3 17:7 20:8 23:135 24:1741 27:1196 31:953 32:124 33:2 34:2 36:9 37:188 38:781 39:4 40:115 41:3151 42:97 43:1 44:3 46:1323 47:3 49:331 50:508 52:13 54:2 55:10 56:3 57:46 58:973 59:496 60:344 61:1203 62:978 63:2024 64:4144 65:2283 66:4480 67:2080 68:1358 69:3275 70:951 71:406 72:1821 73:1 74:2709 75:480 76:332 77:978 78:969 79:522 80:1228 81:885 82:636 83:530 84:595 85:1147 86:726 87:923 88:350 89:1565 90:282 91:4499 92:514 93:1354 94:1387 95:1115 96:421 97:313 98:825 99:38 100:4 101:151 103:821 106:65 107:158 108:175 109:1543 110:710 111:855 112:441 113:523 114:608 115:764 116:891 117:710 118:915 119:1259 120:366 121:709 122:1623 123:1083 124:1359 125:1326 128:540 129:193 130:219 131:581 132:165 133:21 134:236 135:62 136:215 137:182 138:287 139:156 140:483 141:263 142:395 143:403 144:514 145:69 146:485 147:247 148:768 149:301 150:163 151:198 152:447 153:171 154:7 155:416 156:213 157:371 158:161 159:512 160:322 161:246 162:343 163:187 164:530 165:411 166:559 167:457 168:764 169:148 170:838 171:115 172:4 173:1740 174:591 175:433 176:508 177:496 178:1283 180:1198 181:68 182:736 183:280 184:431 185:1 186:1959 187:854 188:1081 189:1180 190:5470 192:6011 193:5563 194:4370 195:3445 196:1291 197:167 198:3621 199:4416 200:5705 201:1731 202:8419 203:8672 204:4365 205:2444 206:2764 207:2798 208:4100 209:3582 210:2785 211:1489 212:2074 213:1855 214:852 215:93 216:5062 217:1508 218:553 219:340 220:1232 221:562 222:347 223:312
End of report
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