Routing Table Report 04:00 +10GMT Tue 10 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 388941
Prefixes after maximum aggregation: 168634
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190773
Total ASes present in the Internet Routing Table: 39773
Prefixes per ASN: 9.78
Origin-only ASes present in the Internet Routing Table: 32587
Origin ASes announcing only one prefix: 15521
Transit ASes present in the Internet Routing Table: 5363
Transit-only ASes present in the Internet Routing Table: 139
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: 2074
Unregistered ASNs in the Routing Table: 1041
Number of 32-bit ASNs allocated by the RIRs: 2166
Number of 32-bit ASNs visible in the Routing Table: 1823
Prefixes from 32-bit ASNs in the Routing Table: 4377
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2507324720
Equivalent to 149 /8s, 114 /16s and 189 /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: 91.9
Total number of prefixes smaller than registry allocations: 164926
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95995
Total APNIC prefixes after maximum aggregation: 31540
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 92335
Unique aggregates announced from the APNIC address blocks: 38831
APNIC Region origin ASes present in the Internet Routing Table: 4630
APNIC Prefixes per ASN: 19.94
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 726
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: 127
Number of APNIC addresses announced to Internet: 633517440
Equivalent to 37 /8s, 194 /16s and 181 /24s
Percentage of available APNIC address space announced: 80.3
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: 147140
Total ARIN prefixes after maximum aggregation: 74962
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119205
Unique aggregates announced from the ARIN address blocks: 49047
ARIN Region origin ASes present in the Internet Routing Table: 14846
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5687
ARIN Region transit ASes present in the Internet Routing Table: 1572
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: 804827584
Equivalent to 47 /8s, 248 /16s and 177 /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: 95879
Total RIPE prefixes after maximum aggregation: 51945
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 87852
Unique aggregates announced from the RIPE address blocks: 55686
RIPE Region origin ASes present in the Internet Routing Table: 16223
RIPE Prefixes per ASN: 5.42
RIPE Region origin ASes announcing only one prefix: 7973
RIPE Region transit ASes present in the Internet Routing Table: 2580
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: 1269
Number of RIPE addresses announced to Internet: 496574920
Equivalent to 29 /8s, 153 /16s and 33 /24s
Percentage of available RIPE address space announced: 80.0
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: 36964
Total LACNIC prefixes after maximum aggregation: 8053
LACNIC Deaggregation factor: 4.59
Prefixes being announced from the LACNIC address blocks: 36539
Unique aggregates announced from the LACNIC address blocks: 19157
LACNIC Region origin ASes present in the Internet Routing Table: 1563
LACNIC Prefixes per ASN: 23.38
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 289
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 409
Number of LACNIC addresses announced to Internet: 95247240
Equivalent to 5 /8s, 173 /16s and 91 /24s
Percentage of available LACNIC address space announced: 63.1
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: 8423
Total AfriNIC prefixes after maximum aggregation: 2060
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 6455
Unique aggregates announced from the AfriNIC address blocks: 2045
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 12.76
AfriNIC Region origin ASes announcing only one prefix: 162
AfriNIC Region transit ASes present in the Internet Routing Table: 117
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: 30776832
Equivalent to 1 /8s, 213 /16s and 158 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2470 11100 969 Korea Telecom (KIX)
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1630 303 86 TPG Internet Pty Ltd
4755 1516 385 157 TATA Communications formerly
9829 1163 989 28 BSNL National Internet Backbo
9583 1113 81 497 Sify Limited
4808 1091 2036 310 CNCGROUP IP network: China169
7552 1075 1062 11 Vietel Corporation
24560 1010 384 167 Bharti Airtel Ltd., Telemedia
18101 974 130 155 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 3476 3814 217 bellsouth.net, inc.
7029 3161 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1863 680 122 PaeTec Communications, Inc.
20115 1617 1552 619 Charter Communications
4323 1607 1064 384 Time Warner Telecom
22773 1518 2909 107 Cox Communications, Inc.
30036 1485 264 691 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1303 7013 854 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 1676 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1928 414 UPC Distribution Services
34984 636 132 198 BILISIM TELEKOM
20940 563 183 449 Akamai Technologies European
12479 550 636 53 Uni2 Autonomous System
3320 531 8162 397 Deutsche Telekom AG
8551 505 360 81 Bezeq International
3292 480 2106 407 TDC Tele Danmark
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 1574 1065 77 NET Servicos de Comunicao S.A
8151 1461 2997 345 UniNet S.A. de C.V.
7303 1248 755 175 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 547 237 91 Empresa Nacional de Telecomun
6503 539 434 67 AVANTEL, S.A.
11172 534 86 100 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 1026 958 13 TEDATA
24863 795 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 240 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 188 80 8 RAYA Telecom - Egypt
16637 160 664 82 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 3476 3814 217 bellsouth.net, inc.
7029 3161 1017 200 Windstream Communications Inc
4766 2470 11100 969 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1863 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
8402 1676 480 15 Corbina telecom
7545 1630 303 86 TPG Internet Pty Ltd
20115 1617 1552 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 3161 2961 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1863 1741 PaeTec Communications, Inc.
17974 1719 1682 PT TELEKOMUNIKASI INDONESIA
8402 1676 1661 Corbina telecom
10620 1721 1562 TVCABLE BOGOTA
7545 1630 1544 TPG Internet Pty Ltd
4766 2470 1501 Korea Telecom (KIX)
28573 1574 1497 NET Servicos de Comunicao S.A
22773 1518 1411 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 /12:236
/13:466 /14:815 /15:1455 /16:12108 /17:6142 /18:10193
/19:20166 /20:27870 /21:28342 /22:38686 /23:36089 /24:202616
/25:1178 /26:1405 /27:779 /28:169 /29:55 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2789 3161 Windstream Communications Inc
6389 2121 3476 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1655 1676 Corbina telecom
10620 1616 1721 TVCABLE BOGOTA
30036 1444 1485 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1065 1863 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1046 1096 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:492 2:466 4:15 5:1 6:3 8:367
12:1949 13:1 14:581 15:11 16:3 17:7
20:9 23:86 24:1714 27:1169 31:818 32:67
33:2 34:2 36:8 37:77 38:794 40:114
41:2852 42:85 43:1 44:3 45:1 46:1181
47:3 49:308 50:501 52:13 55:6 56:2
57:41 58:942 59:488 60:343 61:1180 62:940
63:1966 64:4119 65:2302 66:4370 67:1990 68:1167
69:3140 70:921 71:419 72:1787 74:2643 75:441
76:321 77:943 78:897 79:498 80:1187 81:863
82:538 83:530 84:586 85:1169 86:748 87:910
88:349 89:1591 90:261 91:4405 92:533 93:1543
94:1351 95:1067 96:403 97:296 98:785 99:38
100:18 101:125 103:615 106:10 107:127 108:105
109:1423 110:681 111:827 112:429 113:507 114:604
115:747 116:861 117:713 118:894 119:1227 120:388
121:678 122:1622 123:1050 124:1336 125:1308 128:538
129:192 130:188 131:587 132:162 133:21 134:226
135:57 136:213 137:151 138:285 139:135 140:490
141:259 142:379 143:397 144:503 145:67 146:475
147:222 148:634 149:277 150:166 151:192 152:444
153:169 154:7 155:392 156:210 157:366 158:155
159:511 160:344 161:221 162:337 163:188 164:526
165:393 166:557 167:455 168:832 169:146 170:826
171:95 172:4 173:1786 174:597 175:419 176:344
177:447 178:1171 180:1216 181:42 182:686 183:267
184:428 185:1 186:1491 187:818 188:1016 189:1159
190:5242 192:5982 193:5456 194:3787 195:3186 196:1278
197:173 198:3621 199:4272 200:5588 201:1639 202:8436
203:8590 204:4344 205:2426 206:2708 207:2807 208:4013
209:3532 210:2745 211:1488 212:1973 213:1814 214:840
215:94 216:4933 217:1477 218:566 219:337 220:1216
221:563 222:324 223:266
End of report
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