Routing Table Report 04:00 +10GMT Fri 10 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 397192
Prefixes after maximum aggregation: 169540
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 192184
Total ASes present in the Internet Routing Table: 40070
Prefixes per ASN: 9.91
Origin-only ASes present in the Internet Routing Table: 32746
Origin ASes announcing only one prefix: 15536
Transit ASes present in the Internet Routing Table: 5382
Transit-only ASes present in the Internet Routing Table: 142
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: 325
Unregistered ASNs in the Routing Table: 125
Number of 32-bit ASNs allocated by the RIRs: 2270
Number of 32-bit ASNs visible in the Routing Table: 1942
Prefixes from 32-bit ASNs in the Routing Table: 4656
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 126
Number of addresses announced to Internet: 2514056656
Equivalent to 149 /8s, 217 /16s and 117 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
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: 168595
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98011
Total APNIC prefixes after maximum aggregation: 31673
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 94330
Unique aggregates announced from the APNIC address blocks: 39140
APNIC Region origin ASes present in the Internet Routing Table: 4651
APNIC Prefixes per ASN: 20.28
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 732
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: 142
Number of APNIC addresses announced to Internet: 635772192
Equivalent to 37 /8s, 229 /16s and 29 /24s
Percentage of available APNIC address space announced: 80.6
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: 148173
Total ARIN prefixes after maximum aggregation: 75304
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120108
Unique aggregates announced from the ARIN address blocks: 49368
ARIN Region origin ASes present in the Internet Routing Table: 14903
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5690
ARIN Region transit ASes present in the Internet Routing Table: 1576
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804432320
Equivalent to 47 /8s, 242 /16s and 169 /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: 98601
Total RIPE prefixes after maximum aggregation: 52312
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 90427
Unique aggregates announced from the RIPE address blocks: 56033
RIPE Region origin ASes present in the Internet Routing Table: 16303
RIPE Prefixes per ASN: 5.55
RIPE Region origin ASes announcing only one prefix: 7999
RIPE Region transit ASes present in the Internet Routing Table: 2587
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1341
Number of RIPE addresses announced to Internet: 500613192
Equivalent to 29 /8s, 214 /16s and 192 /24s
Percentage of available RIPE address space announced: 80.6
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: 38569
Total LACNIC prefixes after maximum aggregation: 8073
LACNIC Deaggregation factor: 4.78
Prefixes being announced from the LACNIC address blocks: 38173
Unique aggregates announced from the LACNIC address blocks: 19502
LACNIC Region origin ASes present in the Internet Routing Table: 1571
LACNIC Prefixes per ASN: 24.30
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 290
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: 441
Number of LACNIC addresses announced to Internet: 96491400
Equivalent to 5 /8s, 192 /16s and 87 /24s
Percentage of available LACNIC address space announced: 63.9
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: 9009
Total AfriNIC prefixes after maximum aggregation: 2101
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 7016
Unique aggregates announced from the AfriNIC address blocks: 2150
AfriNIC Region origin ASes present in the Internet Routing Table: 514
AfriNIC Prefixes per ASN: 13.65
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3
Number of AfriNIC addresses announced to Internet: 30864128
Equivalent to 1 /8s, 214 /16s and 243 /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 2474 11102 982 Korea Telecom (KIX)
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1641 303 84 TPG Internet Pty Ltd
4755 1534 385 157 TATA Communications formerly
7552 1393 1064 7 Vietel Corporation
9829 1172 989 28 BSNL National Internet Backbo
4808 1149 2112 314 CNCGROUP IP network: China169
9583 1124 83 483 Sify Limited
24560 1014 385 167 Bharti Airtel Ltd., Telemedia
18101 950 130 156 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 3443 3807 201 bellsouth.net, inc.
7029 3390 1014 159 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1868 680 125 PaeTec Communications, Inc.
20115 1625 1550 631 Charter Communications
4323 1610 1062 385 Time Warner Telecom
22773 1510 2910 109 Cox Communications, Inc.
30036 1402 246 749 Mediacom Communications Corp
19262 1385 4683 400 Verizon Global Networks
7018 1310 6996 851 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 1769 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 LDCOM NETWORKS
34984 649 188 172 BILISIM TELEKOM
6830 643 1927 413 UPC Distribution Services
20940 606 195 468 Akamai Technologies European
12479 574 642 53 Uni2 Autonomous System
31148 538 37 9 FreeNet ISP
8551 530 360 81 Bezeq International
3320 526 8449 399 Deutsche Telekom AG
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 1735 323 170 TVCABLE BOGOTA
28573 1659 1085 69 NET Servicos de Comunicao S.A
8151 1474 3003 342 UniNet S.A. de C.V.
7303 1262 758 181 Telecom Argentina Stet-France
26615 898 668 32 Tim Brasil S.A.
11172 694 95 75 Servicios Alestra S.A de C.V
27947 654 59 104 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
3816 550 237 91 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia 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
8452 1235 958 13 TEDATA
24863 829 155 43 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 230 13 19 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 163 664 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 3443 3807 201 bellsouth.net, inc.
7029 3390 1014 159 Windstream Communications Inc
4766 2474 11102 982 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1868 680 125 PaeTec Communications, Inc.
8402 1769 480 15 Corbina telecom
10620 1735 323 170 TVCABLE BOGOTA
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1659 1085 69 NET Servicos de Comunicao S.A
7545 1641 303 84 TPG Internet Pty Ltd
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 3390 3231 Windstream Communications Inc
18566 2093 1916 Covad Communications
8402 1769 1754 Corbina telecom
1785 1868 1743 PaeTec Communications, Inc.
17974 1729 1693 PT TELEKOMUNIKASI INDONESIA
28573 1659 1590 NET Servicos de Comunicao S.A
10620 1735 1565 TVCABLE BOGOTA
7545 1641 1557 TPG Internet Pty Ltd
4766 2474 1492 Korea Telecom (KIX)
22773 1510 1401 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
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.98.208.0/20 8374 Polkomtel S.A.
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 /11:80 /12:231
/13:458 /14:816 /15:1469 /16:12131 /17:6198 /18:10313
/19:20477 /20:28276 /21:29211 /22:39741 /23:36982 /24:207089
/25:1197 /26:1432 /27:774 /28:168 /29:59 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3046 3390 Windstream Communications Inc
6389 2113 3443 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1748 1769 Corbina telecom
10620 1629 1735 TVCABLE BOGOTA
30036 1361 1402 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1065 1868 PaeTec Communications, Inc.
15557 1045 1095 LDCOM NETWORKS
8452 1041 1235 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:503 2:483 4:14 5:1 6:3 8:384
12:1960 13:1 14:598 15:11 16:3 17:7
20:9 23:131 24:1723 27:1196 31:881 32:65
33:2 34:2 36:9 37:177 38:778 40:115
41:3169 42:93 43:1 44:3 46:1280 47:3
49:322 50:513 52:13 54:2 55:9 56:3
57:38 58:963 59:492 60:344 61:1194 62:933
63:2008 64:4136 65:2285 66:4394 67:2041 68:1174
69:3155 70:926 71:412 72:1795 74:2654 75:464
76:322 77:975 78:915 79:502 80:1229 81:872
82:568 83:529 84:584 85:1150 86:739 87:921
88:333 89:1548 90:259 91:4453 92:538 93:1551
94:1354 95:1158 96:418 97:310 98:790 99:38
100:4 101:141 103:769 106:33 107:150 108:149
109:1485 110:694 111:848 112:432 113:530 114:598
115:763 116:865 117:726 118:896 119:1251 120:360
121:683 122:1622 123:1071 124:1339 125:1362 128:542
129:189 130:217 131:590 132:164 133:21 134:231
135:60 136:217 137:153 138:285 139:145 140:488
141:260 142:385 143:415 144:523 145:70 146:484
147:244 148:728 149:274 150:165 151:196 152:447
153:170 154:7 155:401 156:211 157:368 158:157
159:514 160:322 161:244 162:341 163:188 164:528
165:392 166:556 167:457 168:761 169:147 170:833
171:110 172:2 173:1740 174:589 175:416 176:483
177:484 178:1252 180:1180 181:65 182:714 183:278
184:424 185:1 186:2047 187:842 188:1029 189:1172
190:5473 192:5973 193:5521 194:4319 195:3394 196:1299
197:181 198:3620 199:4377 200:5713 201:1734 202:8470
203:8624 204:4342 205:2440 206:2732 207:2805 208:4058
209:3563 210:2748 211:1477 212:2022 213:1847 214:862
215:96 216:5000 217:1472 218:550 219:340 220:1252
221:559 222:325 223:281
End of report