Routing Table Report 04:00 +10GMT Mon 02 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 388011
Prefixes after maximum aggregation: 168347
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 190173
Total ASes present in the Internet Routing Table: 39720
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 32566
Origin ASes announcing only one prefix: 15525
Transit ASes present in the Internet Routing Table: 5349
Transit-only ASes present in the Internet Routing Table: 138
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: 1995
Unregistered ASNs in the Routing Table: 1031
Number of 32-bit ASNs allocated by the RIRs: 2153
Number of 32-bit ASNs visible in the Routing Table: 1805
Prefixes from 32-bit ASNs in the Routing Table: 4312
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 114
Number of addresses announced to Internet: 2505167920
Equivalent to 149 /8s, 81 /16s and 212 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.8
Total number of prefixes smaller than registry allocations: 164380
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95964
Total APNIC prefixes after maximum aggregation: 31384
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92316
Unique aggregates announced from the APNIC address blocks: 38724
APNIC Region origin ASes present in the Internet Routing Table: 4619
APNIC Prefixes per ASN: 19.99
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 727
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 125
Number of APNIC addresses announced to Internet: 632788096
Equivalent to 37 /8s, 183 /16s and 148 /24s
Percentage of available APNIC address space announced: 80.2
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: 146715
Total ARIN prefixes after maximum aggregation: 74943
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118847
Unique aggregates announced from the ARIN address blocks: 48924
ARIN Region origin ASes present in the Internet Routing Table: 14824
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5679
ARIN Region transit ASes present in the Internet Routing Table: 1571
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: 14
Number of ARIN addresses announced to Internet: 804636864
Equivalent to 47 /8s, 245 /16s and 200 /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: 95204
Total RIPE prefixes after maximum aggregation: 51842
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87230
Unique aggregates announced from the RIPE address blocks: 55483
RIPE Region origin ASes present in the Internet Routing Table: 16228
RIPE Prefixes per ASN: 5.38
RIPE Region origin ASes announcing only one prefix: 7984
RIPE Region transit ASes present in the Internet Routing Table: 2578
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: 1259
Number of RIPE addresses announced to Internet: 495240648
Equivalent to 29 /8s, 132 /16s and 197 /24s
Percentage of available RIPE address space announced: 79.8
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: 37059
Total LACNIC prefixes after maximum aggregation: 8033
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36611
Unique aggregates announced from the LACNIC address blocks: 19043
LACNIC Region origin ASes present in the Internet Routing Table: 1560
LACNIC Prefixes per ASN: 23.47
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 284
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 403
Number of LACNIC addresses announced to Internet: 95143048
Equivalent to 5 /8s, 171 /16s and 196 /24s
Percentage of available LACNIC address space announced: 63.0
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: 8597
Total AfriNIC prefixes after maximum aggregation: 2073
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6635
Unique aggregates announced from the AfriNIC address blocks: 2088
AfriNIC Region origin ASes present in the Internet Routing Table: 504
AfriNIC Prefixes per ASN: 13.16
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 114
Average AfriNIC Region AS path length visible: 4.5
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: 30878464
Equivalent to 1 /8s, 215 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2475 11101 972 Korea Telecom (KIX)
17974 1716 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 85 TPG Internet Pty Ltd
4755 1516 385 157 TATA Communications formerly
7552 1412 1064 7 Vietel Corporation
9583 1172 87 524 Sify Limited
9829 1170 989 28 BSNL National Internet Backbo
4808 1075 2034 308 CNCGROUP IP network: China169
24560 1004 383 163 Bharti Airtel Ltd., Telemedia
18101 974 131 156 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 3475 3814 216 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1862 680 122 PaeTec Communications, Inc.
4323 1623 1065 385 Time Warner Telecom
20115 1615 1550 619 Charter Communications
22773 1517 2909 107 Cox Communications, Inc.
30036 1477 263 691 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1302 7012 855 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 1451 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 642 1928 413 UPC Distribution Services
34984 635 132 198 BILISIM TELEKOM
12479 552 636 53 Uni2 Autonomous System
20940 547 176 438 Akamai Technologies European
3320 532 8162 398 Deutsche Telekom AG
3292 480 2106 407 TDC Tele Danmark
8866 465 134 27 Bulgarian Telecommunication C
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 1721 319 159 TVCABLE BOGOTA
28573 1571 1064 76 NET Servicos de Comunicao S.A
8151 1451 2981 349 UniNet S.A. de C.V.
7303 1252 755 176 Telecom Argentina Stet-France
27947 633 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 548 237 91 Empresa Nacional de Telecomun
6503 537 434 67 AVANTEL, S.A.
11172 530 86 97 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
8452 1038 958 13 TEDATA
24863 793 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 216 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 189 80 8 RAYA Telecom - Egypt
36923 180 20 4 Swift Networks Limited
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 3475 3814 216 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
4766 2475 11101 972 Korea Telecom (KIX)
18566 2094 383 177 Covad Communications
1785 1862 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1716 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 85 TPG Internet Pty Ltd
4323 1623 1065 385 Time Warner Telecom
20115 1615 1550 619 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 2917 2717 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1862 1740 PaeTec Communications, Inc.
17974 1716 1679 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1628 1543 TPG Internet Pty Ltd
4766 2475 1503 Korea Telecom (KIX)
28573 1571 1495 NET Servicos de Comunicao S.A
8402 1451 1436 Corbina telecom
22773 1517 1410 Cox Communications, Inc.
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
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
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 /12:237
/13:465 /14:814 /15:1448 /16:12084 /17:6124 /18:10185
/19:20154 /20:27935 /21:28324 /22:38641 /23:35941 /24:201908
/25:1183 /26:1401 /27:779 /28:165 /29:52 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2545 2917 Windstream Communications Inc
6389 2120 3475 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
30036 1436 1477 Mediacom Communications Corp
8402 1430 1451 Corbina telecom
11492 1115 1152 Cable One
1785 1064 1862 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:483 2:393 4:15 5:1 6:3 8:366
12:1946 13:1 14:574 15:11 16:3 17:7
20:9 23:81 24:1712 27:1130 31:774 32:67
33:2 34:2 36:4 37:10 38:790 40:114
41:3008 42:83 43:1 44:3 46:1153 47:3
49:296 50:472 52:13 55:4 56:2 57:41
58:929 59:488 60:343 61:1173 62:936 63:1970
64:4122 65:2302 66:4372 67:1983 68:1166 69:3139
70:925 71:410 72:1785 74:2645 75:431 76:320
77:942 78:864 79:496 80:1189 81:848 82:529
83:530 84:577 85:1167 86:748 87:909 88:358
89:1579 90:260 91:4399 92:534 93:1500 94:1342
95:1014 96:397 97:288 98:775 99:38 100:18
101:126 103:584 106:11 107:120 108:100 109:1421
110:676 111:832 112:432 113:508 114:592 115:707
116:864 117:719 118:900 119:1224 120:365 121:672
122:1619 123:1032 124:1330 125:1349 128:529 129:189
130:188 131:587 132:163 133:21 134:225 135:54
136:206 137:150 138:285 139:126 140:490 141:257
142:381 143:391 144:500 145:67 146:476 147:221
148:632 149:271 150:165 151:192 152:444 153:169
154:7 155:382 156:210 157:364 158:155 159:505
160:344 161:221 162:335 163:188 164:521 165:393
166:546 167:455 168:813 169:146 170:830 171:95
172:4 173:1784 174:591 175:409 176:320 177:447
178:1146 180:1211 181:43 182:680 183:263 184:422
185:1 186:1471 187:799 188:1006 189:1172 190:5353
192:5976 193:5440 194:3787 195:3191 196:1290 197:174
198:3616 199:4240 200:5570 201:1679 202:8514 203:8526
204:4341 205:2422 206:2688 207:2806 208:4010 209:3533
210:2750 211:1474 212:1966 213:1812 214:808 215:93
216:4911 217:1470 218:567 219:338 220:1253 221:561
222:324 223:267
End of report
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