Routing Table Report 04:00 +10GMT Wed 25 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 393449
Prefixes after maximum aggregation: 169078
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 191276
Total ASes present in the Internet Routing Table: 39912
Prefixes per ASN: 9.86
Origin-only ASes present in the Internet Routing Table: 32650
Origin ASes announcing only one prefix: 15517
Transit ASes present in the Internet Routing Table: 5383
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: 34
Max AS path prepend of ASN (38964) 31
Prefixes from unregistered ASNs in the Routing Table: 2150
Unregistered ASNs in the Routing Table: 1099
Number of 32-bit ASNs allocated by the RIRs: 2211
Number of 32-bit ASNs visible in the Routing Table: 1879
Prefixes from 32-bit ASNs in the Routing Table: 4531
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 122
Number of addresses announced to Internet: 2511704976
Equivalent to 149 /8s, 181 /16s and 147 /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: 166383
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97602
Total APNIC prefixes after maximum aggregation: 31591
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 93891
Unique aggregates announced from the APNIC address blocks: 38995
APNIC Region origin ASes present in the Internet Routing Table: 4639
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 730
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: 134
Number of APNIC addresses announced to Internet: 635161952
Equivalent to 37 /8s, 219 /16s and 205 /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: 147678
Total ARIN prefixes after maximum aggregation: 75222
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119641
Unique aggregates announced from the ARIN address blocks: 49090
ARIN Region origin ASes present in the Internet Routing Table: 14866
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5684
ARIN Region transit ASes present in the Internet Routing Table: 1581
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: 804988736
Equivalent to 47 /8s, 251 /16s and 39 /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: 97264
Total RIPE prefixes after maximum aggregation: 52075
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 89243
Unique aggregates announced from the RIPE address blocks: 55732
RIPE Region origin ASes present in the Internet Routing Table: 16272
RIPE Prefixes per ASN: 5.48
RIPE Region origin ASes announcing only one prefix: 7981
RIPE Region transit ASes present in the Internet Routing Table: 2590
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1305
Number of RIPE addresses announced to Internet: 497990856
Equivalent to 29 /8s, 174 /16s and 188 /24s
Percentage of available RIPE address space announced: 80.2
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: 37351
Total LACNIC prefixes after maximum aggregation: 8029
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 36947
Unique aggregates announced from the LACNIC address blocks: 19335
LACNIC Region origin ASes present in the Internet Routing Table: 1565
LACNIC Prefixes per ASN: 23.61
LACNIC Region origin ASes announcing only one prefix: 445
LACNIC Region transit ASes present in the Internet Routing Table: 288
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: 422
Number of LACNIC addresses announced to Internet: 95578504
Equivalent to 5 /8s, 178 /16s and 105 /24s
Percentage of available LACNIC address space announced: 63.3
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: 8863
Total AfriNIC prefixes after maximum aggregation: 2089
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 6884
Unique aggregates announced from the AfriNIC address blocks: 2158
AfriNIC Region origin ASes present in the Internet Routing Table: 512
AfriNIC Prefixes per ASN: 13.45
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 118
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: 4
Number of AfriNIC addresses announced to Internet: 30874624
Equivalent to 1 /8s, 215 /16s and 28 /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 2473 11101 975 Korea Telecom (KIX)
17974 1714 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1639 303 83 TPG Internet Pty Ltd
4755 1523 385 154 TATA Communications formerly
7552 1424 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1118 81 484 Sify Limited
4808 1098 2050 311 CNCGROUP IP network: China169
24560 1011 384 167 Bharti Airtel Ltd., Telemedia
18101 947 130 155 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 3447 3807 201 bellsouth.net, inc.
7029 3226 1016 198 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1863 679 122 PaeTec Communications, Inc.
20115 1628 1554 624 Charter Communications
4323 1608 1062 384 Time Warner Telecom
22773 1520 2910 109 Cox Communications, Inc.
30036 1445 252 730 Mediacom Communications Corp
19262 1386 4683 400 Verizon Global Networks
7018 1303 7024 850 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 1241 99 14 EUnet/RELCOM Autonomous Syste
15557 1095 2161 64 LDCOM NETWORKS
6830 645 1928 414 UPC Distribution Services
34984 639 188 172 BILISIM TELEKOM
20940 581 190 462 Akamai Technologies European
12479 558 641 56 Uni2 Autonomous System
31148 538 35 9 FreeNet ISP
8551 531 360 81 Bezeq International
3320 517 8157 393 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 1727 322 167 TVCABLE BOGOTA
28573 1622 1068 77 NET Servicos de Comunicao S.A
8151 1458 2999 340 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 644 73 96 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
3816 550 238 92 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia S.A
6503 539 434 68 AVANTEL, S.A.
11172 533 85 106 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 1157 958 13 TEDATA
24863 833 155 43 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 230 12 17 Starcomms Nigeria Limited
29571 215 17 12 Ci Telecom Autonomous system
12258 196 28 61 Vodacom Internet Company
24835 189 80 8 RAYA Telecom - Egypt
16637 168 664 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 3447 3807 201 bellsouth.net, inc.
7029 3226 1016 198 Windstream Communications Inc
4766 2473 11101 975 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1863 679 122 PaeTec Communications, Inc.
8402 1769 480 15 Corbina telecom
10620 1727 322 167 TVCABLE BOGOTA
17974 1714 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1639 303 83 TPG Internet Pty Ltd
20115 1628 1554 624 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 3226 3028 Windstream Communications Inc
18566 2093 1916 Covad Communications
8402 1769 1754 Corbina telecom
1785 1863 1741 PaeTec Communications, Inc.
17974 1714 1678 PT TELEKOMUNIKASI INDONESIA
10620 1727 1560 TVCABLE BOGOTA
7545 1639 1556 TPG Internet Pty Ltd
28573 1622 1545 NET Servicos de Comunicao S.A
4766 2473 1498 Korea Telecom (KIX)
7552 1424 1417 Vietel Corporation
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
37.63.0.0/17 8717 Spectrum NET
41.222.79.0/24 36938 >>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 /11:80 /12:232
/13:459 /14:817 /15:1462 /16:12153 /17:6159 /18:10259
/19:20289 /20:28108 /21:29078 /22:39284 /23:36753 /24:204622
/25:1176 /26:1425 /27:784 /28:166 /29:53 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2847 3226 Windstream Communications Inc
6389 2117 3447 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1748 1769 Corbina telecom
10620 1622 1727 TVCABLE BOGOTA
30036 1404 1445 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1064 1863 PaeTec Communications, Inc.
15557 1046 1095 LDCOM NETWORKS
7011 1033 1150 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:504 2:471 4:15 5:1 6:3 8:378
12:1958 13:1 14:589 15:11 16:3 17:6
20:9 23:118 24:1716 27:1180 31:830 32:65
33:2 34:2 36:8 37:103 38:796 40:114
41:3050 42:86 43:1 44:3 46:1259 47:3
49:320 50:517 52:13 54:1 55:5 56:3
57:41 58:950 59:491 60:345 61:1173 62:918
63:1978 64:4116 65:2276 66:4410 67:2023 68:1155
69:3145 70:917 71:431 72:1797 74:2633 75:445
76:321 77:971 78:917 79:512 80:1195 81:872
82:562 83:531 84:586 85:1155 86:740 87:908
88:341 89:1537 90:258 91:4462 92:533 93:1556
94:1326 95:1140 96:413 97:301 98:776 99:38
100:18 101:130 103:665 106:4 107:135 108:126
109:1467 110:692 111:839 112:431 113:526 114:596
115:757 116:868 117:726 118:900 119:1258 120:355
121:677 122:1623 123:1058 124:1338 125:1350 128:540
129:191 130:210 131:590 132:162 133:21 134:233
135:58 136:213 137:153 138:290 139:145 140:488
141:261 142:378 143:404 144:512 145:68 146:486
147:225 148:642 149:271 150:165 151:193 152:446
153:170 154:7 155:399 156:210 157:367 158:154
159:508 160:326 161:237 162:340 163:188 164:531
165:391 166:561 167:456 168:776 169:147 170:835
171:107 172:4 173:1779 174:566 175:415 176:388
177:469 178:1220 180:1222 181:43 182:697 183:272
184:400 185:1 186:1499 187:822 188:974 189:1166
190:5365 192:5977 193:5474 194:4207 195:3387 196:1276
197:175 198:3612 199:4330 200:5639 201:1693 202:8416
203:8595 204:4344 205:2432 206:2749 207:2803 208:4022
209:3551 210:2741 211:1475 212:1961 213:1829 214:851
215:95 216:4980 217:1474 218:557 219:341 220:1250
221:558 222:324 223:269
End of report
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