Routing Table Report 04:00 +10GMT Thu 30 Jun, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 362170
Prefixes after maximum aggregation: 164600
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 179788
Total ASes present in the Internet Routing Table: 38052
Prefixes per ASN: 9.52
Origin-only ASes present in the Internet Routing Table: 31668
Origin ASes announcing only one prefix: 15223
Transit ASes present in the Internet Routing Table: 5181
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 863
Unregistered ASNs in the Routing Table: 474
Number of 32-bit ASNs allocated by the RIRs: 1506
Number of 32-bit ASNs visible in the Routing Table: 1203
Prefixes from 32-bit ASNs in the Routing Table: 2747
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2492594368
Equivalent to 148 /8s, 145 /16s and 248 /24s
Percentage of available address space announced: 67.3
Percentage of allocated address space announced: 67.3
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: 150912
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 90026
Total APNIC prefixes after maximum aggregation: 30228
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 86777
Unique aggregates announced from the APNIC address blocks: 37102
APNIC Region origin ASes present in the Internet Routing Table: 4497
APNIC Prefixes per ASN: 19.30
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 714
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 52
Number of APNIC addresses announced to Internet: 621099296
Equivalent to 37 /8s, 5 /16s and 57 /24s
Percentage of available APNIC address space announced: 78.8
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: 141389
Total ARIN prefixes after maximum aggregation: 72752
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113347
Unique aggregates announced from the ARIN address blocks: 46624
ARIN Region origin ASes present in the Internet Routing Table: 14455
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5524
ARIN Region transit ASes present in the Internet Routing Table: 1520
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 819798912
Equivalent to 48 /8s, 221 /16s and 35 /24s
Percentage of available ARIN address space announced: 65.2
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: 86201
Total RIPE prefixes after maximum aggregation: 49014
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79648
Unique aggregates announced from the RIPE address blocks: 52658
RIPE Region origin ASes present in the Internet Routing Table: 15775
RIPE Prefixes per ASN: 5.05
RIPE Region origin ASes announcing only one prefix: 7869
RIPE Region transit ASes present in the Internet Routing Table: 2503
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 884
Number of RIPE addresses announced to Internet: 478530816
Equivalent to 28 /8s, 133 /16s and 205 /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: 33403
Total LACNIC prefixes after maximum aggregation: 7574
LACNIC Deaggregation factor: 4.41
Prefixes being announced from the LACNIC address blocks: 32464
Unique aggregates announced from the LACNIC address blocks: 16983
LACNIC Region origin ASes present in the Internet Routing Table: 1471
LACNIC Prefixes per ASN: 22.07
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 268
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 251
Number of LACNIC addresses announced to Internet: 85706240
Equivalent to 5 /8s, 27 /16s and 198 /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: 8192
Total AfriNIC prefixes after maximum aggregation: 1960
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 6484
Unique aggregates announced from the AfriNIC address blocks: 1968
AfriNIC Region origin ASes present in the Internet Routing Table: 464
AfriNIC Prefixes per ASN: 13.97
AfriNIC Region origin ASes announcing only one prefix: 143
AfriNIC Region transit ASes present in the Internet Routing Table: 101
Average AfriNIC Region AS path length visible: 4.8
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: 24285952
Equivalent to 1 /8s, 114 /16s and 147 /24s
Percentage of available AfriNIC address space announced: 36.2
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 2459 9500 930 Korea Telecom (KIX)
17974 1828 461 44 PT TELEKOMUNIKASI INDONESIA
7545 1543 301 85 TPG Internet Pty Ltd
4755 1490 635 168 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9583 1054 77 504 Sify Limited
9829 1053 888 54 BSNL National Internet Backbo
4808 1042 2092 299 CNCGROUP IP network: China169
17488 959 186 105 Hathway IP Over Cable Interne
18101 933 116 140 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 3622 3819 245 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1799 681 122 PaeTec Communications, Inc.
4323 1655 1082 399 Time Warner Telecom
20115 1589 1531 635 Charter Communications
19262 1450 4804 372 Verizon Global Networks
6478 1375 251 594 AT&T Worldnet Services
7018 1363 7053 889 AT&T WorldNet Services
22773 1346 2897 87 Cox Communications, Inc.
7029 1309 790 298 Windstream Communications Inc
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
34984 534 106 185 BILISIM TELEKOM
6830 513 1780 318 UPC Distribution Services
3292 469 2080 404 TDC Tele Danmark
20940 464 136 359 Akamai Technologies European
8866 451 134 26 Bulgarian Telecommunication C
29049 444 33 45 AzerSat LLC.
12479 439 593 7 Uni2 Autonomous System
3320 416 8150 363 Deutsche Telekom AG
8551 404 354 44 Bezeq International
702 396 1803 310 UUNET - Commercial IP service
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 1536 282 157 TVCABLE BOGOTA
8151 1422 2742 357 UniNet S.A. de C.V.
28573 1265 993 78 NET Servicos de Comunicao S.A
7303 991 507 170 Telecom Argentina Stet-France
6503 744 354 74 AVANTEL, S.A.
14420 685 55 81 CORPORACION NACIONAL DE TELEC
22047 576 322 17 VTR PUNTO NET S.A.
3816 532 231 94 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 511 53 57 Telconet S.A
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 798 147 37 LINKdotNET AS number
8452 789 445 11 TEDATA
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 209 12 10 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
16637 149 441 86 MTN Network Solutions
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 3622 3819 245 bellsouth.net, inc.
23456 2747 682 1489 32-bit ASN transition
4766 2459 9500 930 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
17974 1828 461 44 PT TELEKOMUNIKASI INDONESIA
1785 1799 681 122 PaeTec Communications, Inc.
4323 1655 1082 399 Time Warner Telecom
20115 1589 1531 635 Charter Communications
7545 1543 301 85 TPG Internet Pty Ltd
10620 1536 282 157 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 1828 1784 PT TELEKOMUNIKASI INDONESIA
1785 1799 1677 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2459 1529 Korea Telecom (KIX)
7545 1543 1458 TPG Internet Pty Ltd
10620 1536 1379 TVCABLE BOGOTA
4755 1490 1322 TATA Communications formerly
22773 1346 1259 Cox Communications, Inc.
23456 2747 1258 32-bit ASN transition
4323 1655 1256 Time Warner Telecom
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
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
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
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
27.0.128.0/17 7514 Media Exchange, Inc.
41.190.52.0/23 30844 Econet Satellite Services Ltd
41.190.54.0/23 36959 AfriConnect Zambia Ltd
41.190.60.0/23 30844 Econet Satellite Services Ltd
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 /8:22 /9:12 /10:28 /11:81 /12:231
/13:461 /14:801 /15:1398 /16:11978 /17:5867 /18:9757
/19:19445 /20:25836 /21:26119 /22:34571 /23:33512 /24:188721
/25:1090 /26:1272 /27:739 /28:212 /29:9 /30:2
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2228 3622 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1431 1536 TVCABLE BOGOTA
6478 1346 1375 AT&T Worldnet Services
23456 1338 2747 32-bit ASN transition
11492 1090 1136 Cable One
7011 1056 1157 Citizens Utilities
7029 1056 1309 Windstream Communications Inc
1785 1051 1799 PaeTec Communications, Inc.
22773 861 1346 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:320 2:48 4:16 5:1 6:3 8:337
12:1976 13:1 14:467 15:15 16:3 17:8
20:10 23:12 24:1658 27:803 31:484 32:64
33:4 34:2 36:4 37:1 38:740 39:3
40:103 41:2549 42:10 44:3 46:991 47:3
49:196 50:431 52:13 54:2 55:2 56:2
57:34 58:860 59:476 60:386 61:1180 62:1043
63:1935 64:3946 65:2286 66:3880 67:1903 68:1094
69:3024 70:757 71:392 72:1890 74:2382 75:320
76:340 77:884 78:713 79:462 80:1115 81:842
82:497 83:457 84:686 85:1081 86:552 87:759
88:336 89:1525 90:211 91:3896 92:535 93:1050
94:1317 95:851 96:444 97:254 98:891 99:36
101:76 103:94 106:10 107:18 108:70 109:1017
110:611 111:712 112:303 113:409 114:543 115:665
116:966 117:671 118:858 119:1151 120:307 121:670
122:1615 123:963 124:1299 125:1239 128:246 129:172
130:168 131:573 132:112 133:21 134:214 135:48
136:215 137:136 138:298 139:115 140:480 141:239
142:403 143:416 144:482 145:54 146:449 147:214
148:658 149:247 150:164 151:191 152:332 153:180
154:4 155:399 156:195 157:352 158:138 159:452
160:314 161:209 162:310 163:165 164:504 165:354
166:536 167:431 168:734 169:158 170:842 171:78
172:1 173:1633 174:607 175:372 176:141 177:153
178:989 180:894 181:19 182:486 183:224 184:307
185:1 186:1249 187:737 188:867 189:926 190:4945
192:5888 193:4973 194:3494 195:3034 196:1190 197:41
198:3588 199:3966 200:5539 201:1510 202:8395 203:8430
204:4224 205:2353 206:2684 207:2814 208:3956 209:3469
210:2690 211:1455 212:2104 213:1741 214:779 215:70
216:4926 217:1638 218:546 219:361 220:1204 221:492
222:361 223:179
End of report
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