Routing Table Report 08:00 +10GMT Sat 02 Jul, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 357003
Prefixes after maximum aggregation: 162742
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 179819
Total ASes present in the Internet Routing Table: 36687
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 31646
Origin ASes announcing only one prefix: 15242
Transit ASes present in the Internet Routing Table: 5041
Transit-only ASes present in the Internet Routing Table: 118
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 2273
Unregistered ASNs in the Routing Table: 572
Number of 32-bit ASNs allocated by the RIRs: 1514
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2789
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 132
Number of addresses announced to Internet: 2492053760
Equivalent to 148 /8s, 137 /16s and 185 /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: 91.0
Total number of prefixes smaller than registry allocations: 147230
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 85720
Total APNIC prefixes after maximum aggregation: 28912
APNIC Deaggregation factor: 2.96
Prefixes being announced from the APNIC address blocks: 83415
Unique aggregates announced from the APNIC address blocks: 37126
APNIC Region origin ASes present in the Internet Routing Table: 4442
APNIC Prefixes per ASN: 18.78
APNIC Region origin ASes announcing only one prefix: 1254
APNIC Region transit ASes present in the Internet Routing Table: 673
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 619521536
Equivalent to 36 /8s, 237 /16s and 38 /24s
Percentage of available APNIC address space announced: 78.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
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: 140145
Total ARIN prefixes after maximum aggregation: 72206
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112427
Unique aggregates announced from the ARIN address blocks: 46623
ARIN Region origin ASes present in the Internet Routing Table: 14382
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5509
ARIN Region transit ASes present in the Internet Routing Table: 1454
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 802890752
Equivalent to 47 /8s, 219 /16s and 36 /24s
Percentage of available ARIN address space announced: 63.8
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: 86713
Total RIPE prefixes after maximum aggregation: 49034
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80150
Unique aggregates announced from the RIPE address blocks: 52674
RIPE Region origin ASes present in the Internet Routing Table: 15765
RIPE Prefixes per ASN: 5.08
RIPE Region origin ASes announcing only one prefix: 7883
RIPE Region transit ASes present in the Internet Routing Table: 2476
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 478680832
Equivalent to 28 /8s, 136 /16s and 23 /24s
Percentage of available RIPE address space announced: 77.1
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: 32619
Total LACNIC prefixes after maximum aggregation: 7453
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 32068
Unique aggregates announced from the LACNIC address blocks: 16955
LACNIC Region origin ASes present in the Internet Routing Table: 1461
LACNIC Prefixes per ASN: 21.95
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 258
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 85726208
Equivalent to 5 /8s, 28 /16s and 20 /24s
Percentage of available LACNIC address space announced: 56.8
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: 8279
Total AfriNIC prefixes after maximum aggregation: 2011
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6401
Unique aggregates announced from the AfriNIC address blocks: 1978
AfriNIC Region origin ASes present in the Internet Routing Table: 467
AfriNIC Prefixes per ASN: 13.71
AfriNIC Region origin ASes announcing only one prefix: 148
AfriNIC Region transit ASes present in the Internet Routing Table: 101
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 24254464
Equivalent to 1 /8s, 114 /16s and 24 /24s
Percentage of available AfriNIC address space announced: 36.1
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 1899 9492 623 Korea Telecom (KIX)
17974 1550 461 42 PT Telekomunikasi Indonesia
7545 1541 301 84 TPG Internet Pty Ltd
4755 1472 371 161 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9829 1098 914 45 National Internet Backbone
9583 1056 78 506 Sify Limited
17488 958 186 103 Hathway IP Over Cable Interne
4808 951 2007 275 CNCGROUP IP network China169
18101 934 116 140 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3617 3819 246 BellSouth.net Inc.
18566 1912 365 240 Covad Communications Co.
1785 1805 681 122 PaeTec Communications, Inc.
4323 1661 1098 401 tw telecom holdings, inc.
20115 1593 1532 636 Charter Communications
19262 1450 4806 370 Verizon Online LLC
7029 1383 1031 207 Windstream Communications Inc
7018 1377 7086 902 AT&T Services, Inc.
22773 1347 2897 88 Cox Communications Inc.
6478 1338 248 613 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9116 540 326 31 Goldenlines main autonomous s
34984 535 106 185 BILISIM TELEKOM
6830 512 1780 318 UPC Broadband
3292 469 2080 404 TDC Data Networks
20940 468 137 361 Akamai Technologies European
8866 451 134 26 Bulgarian Telecommunication C
12479 440 593 7 France Telecom Espana SA
29049 440 33 45 AzerSat LLC.
3320 420 8151 367 Deutsche Telekom AG
8551 405 355 38 Bezeq International
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1541 282 157 Types of queries are: POCs, o
28573 1257 996 80 Types of queries are: POCs, o
8151 1255 2724 353 Uninet S.A. de C.V.
7303 975 506 163 Telecom Argentina S.A.
6503 736 354 74 Axtel, S.A.B. de C.V.
14420 685 55 81 CORPORACION NACIONAL DE TELEC
22047 576 322 17 Types of queries are: POCs, o
3816 536 232 91 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
11172 495 100 85 Alestra, S. de R.L. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 790 445 11 TEDATA
24863 759 147 35 LINKdotNET AS number
15475 524 74 8 Nile Online
36992 315 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
24835 211 78 10 RAYA Telecom - Egypt
33776 210 12 8 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
16637 149 441 87 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3617 3819 246 BellSouth.net Inc.
23456 2789 693 1515 32-bit ASN transition
18566 1912 365 240 Covad Communications Co.
4766 1899 9492 623 Korea Telecom (KIX)
1785 1805 681 122 PaeTec Communications, Inc.
4323 1661 1098 401 tw telecom holdings, inc.
20115 1593 1532 636 Charter Communications
17974 1550 461 42 PT Telekomunikasi Indonesia
7545 1541 301 84 TPG Internet Pty Ltd
10620 1541 282 157 Types of queries are: POCs, o
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1805 1683 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications Co.
17974 1550 1508 PT Telekomunikasi Indonesia
7545 1541 1457 TPG Internet Pty Ltd
10620 1541 1384 Types of queries are: POCs, o
4755 1472 1311 TATA Communications formerly
4766 1899 1276 Korea Telecom (KIX)
23456 2789 1274 32-bit ASN transition
4323 1661 1260 tw telecom holdings, inc.
22773 1347 1259 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 65535 Internet Assigned Numbers Aut
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/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
27.0.128.0/17 7514 Media EXchange, Inc.
31.135.216.0/21 51388 UAB Marsatas
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS
Complete listing at http://thyme.rand.apnic.net/london/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 /8:22 /9:12 /10:28 /11:81 /12:231
/13:461 /14:800 /15:1396 /16:11951 /17:5856 /18:9735
/19:19548 /20:25887 /21:26095 /22:34362 /23:33174 /24:186850
/25:13 /26:19 /27:26 /28:161 /29:104 /30:57
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2225 3617 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1436 1541 Types of queries are: POCs, o
23456 1369 2789 32-bit ASN transition
6478 1309 1338 AT&T Services, Inc.
11492 1090 1136 CABLE ONE, INC.
7029 1063 1383 Windstream Communications Inc
7011 1055 1156 Frontier Communications of Am
1785 1052 1805 PaeTec Communications, Inc.
22773 861 1347 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:317 2:47 4:16 5:1 6:3 8:336
12:1975 13:1 14:463 15:15 16:3 17:8
20:10 23:13 24:1662 27:807 31:486 32:59
33:4 34:2 36:4 37:1 38:737 39:3
40:103 41:2512 42:23 44:3 46:992 47:3
49:196 50:431 52:13 54:2 55:4 56:2
57:32 58:814 59:472 60:384 61:1014 62:1048
63:1931 64:3923 65:2290 66:3863 67:1901 68:1088
69:3023 70:755 71:389 72:1890 74:2379 75:312
76:340 77:885 78:712 79:470 80:1117 81:846
82:507 83:460 84:687 85:1082 86:551 87:761
88:335 89:1533 90:211 91:3920 92:536 93:1054
94:1324 95:853 96:441 97:254 98:892 99:36
101:72 103:100 106:10 107:19 108:71 109:1015
110:605 111:711 112:296 113:401 114:544 115:662
116:948 117:666 118:810 119:1137 120:307 121:645
122:1607 123:953 124:1261 125:1220 128:208 129:167
130:162 131:570 132:104 133:21 134:206 135:48
136:213 137:133 138:299 139:113 140:459 141:240
142:387 143:413 144:478 145:54 146:444 147:212
148:589 149:246 150:155 151:190 152:328 153:180
154:3 155:399 156:196 157:322 158:138 159:385
160:313 161:202 162:306 163:154 164:510 165:352
166:529 167:432 168:734 169:156 170:843 171:78
172:1 173:1633 174:615 175:363 176:142 177:146
178:987 180:867 181:21 182:472 183:219 184:324
185:1 186:1255 187:729 188:872 189:944 190:4928
192:5845 193:4972 194:3493 195:3025 196:1223 197:41
198:3518 199:3931 200:5445 201:1492 202:8203 203:8327
204:4148 205:2326 206:2591 207:2741 208:3954 209:3426
210:2599 211:1447 212:2107 213:1746 214:768 215:70
216:4895 217:1644 218:532 219:357 220:1197 221:476
222:311 223:178
End of report
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