Routing Table Report 04:00 +10GMT Sun 12 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 421680
Prefixes after maximum aggregation: 177268
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 203985
Total ASes present in the Internet Routing Table: 41760
Prefixes per ASN: 10.10
Origin-only ASes present in the Internet Routing Table: 33417
Origin ASes announcing only one prefix: 15687
Transit ASes present in the Internet Routing Table: 5612
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 48687) 24
Prefixes from unregistered ASNs in the Routing Table: 403
Unregistered ASNs in the Routing Table: 156
Number of 32-bit ASNs allocated by the RIRs: 3102
Number of 32-bit ASNs visible in the Routing Table: 2731
Prefixes from 32-bit ASNs in the Routing Table: 7023
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2587483276
Equivalent to 154 /8s, 57 /16s and 220 /24s
Percentage of available address space announced: 69.8
Percentage of allocated address space announced: 69.9
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.2
Total number of prefixes smaller than registry allocations: 148255
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102070
Total APNIC prefixes after maximum aggregation: 32852
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102612
Unique aggregates announced from the APNIC address blocks: 42239
APNIC Region origin ASes present in the Internet Routing Table: 4728
APNIC Prefixes per ASN: 21.70
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 760
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 280
Number of APNIC addresses announced to Internet: 707637632
Equivalent to 42 /8s, 45 /16s and 177 /24s
Percentage of available APNIC address space announced: 82.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 153541
Total ARIN prefixes after maximum aggregation: 77882
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154540
Unique aggregates announced from the ARIN address blocks: 68717
ARIN Region origin ASes present in the Internet Routing Table: 15215
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5760
ARIN Region transit ASes present in the Internet Routing Table: 1610
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1083545216
Equivalent to 64 /8s, 149 /16s and 150 /24s
Percentage of available ARIN address space announced: 57.3
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 106299
Total RIPE prefixes after maximum aggregation: 55903
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108524
Unique aggregates announced from the RIPE address blocks: 67428
RIPE Region origin ASes present in the Internet Routing Table: 16741
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8106
RIPE Region transit ASes present in the Internet Routing Table: 2714
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1781
Number of RIPE addresses announced to Internet: 641093604
Equivalent to 38 /8s, 54 /16s and 79 /24s
Percentage of available RIPE address space announced: 93.2
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 42935
Total LACNIC prefixes after maximum aggregation: 8378
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 45705
Unique aggregates announced from the LACNIC address blocks: 22026
LACNIC Region origin ASes present in the Internet Routing Table: 1621
LACNIC Prefixes per ASN: 28.20
LACNIC Region origin ASes announcing only one prefix: 418
LACNIC Region transit ASes present in the Internet Routing Table: 318
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 647
Number of LACNIC addresses announced to Internet: 113261992
Equivalent to 6 /8s, 192 /16s and 61 /24s
Percentage of available LACNIC address space announced: 67.5
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9668
Total AfriNIC prefixes after maximum aggregation: 2199
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 10120
Unique aggregates announced from the AfriNIC address blocks: 3424
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.23
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 6
Number of AfriNIC addresses announced to Internet: 41510144
Equivalent to 2 /8s, 121 /16s and 101 /24s
Percentage of available AfriNIC address space announced: 41.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2760 11117 1248 Korea Telecom (KIX)
17974 2324 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1713 301 87 TPG Internet Pty Ltd
4755 1606 386 158 TATA Communications formerly
9829 1310 1084 31 BSNL National Internet Backbo
9583 1206 90 534 Sify Limited
7552 1128 1062 11 Vietel Corporation
4808 1123 2050 321 CNCGROUP IP network: China169
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 999 294 75 BHARTI Airtel Ltd.
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
7029 3440 990 156 Windstream Communications Inc
6389 3340 3773 192 bellsouth.net, inc.
18566 2088 382 180 Covad Communications
1785 1935 679 126 PaeTec Communications, Inc.
22773 1700 2914 125 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1576 1027 386 Time Warner Telecom
30036 1437 280 786 Mediacom Communications Corp
7018 1239 10024 809 AT&T WorldNet Services
11492 1191 216 351 Cable One
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 1460 544 16 Corbina telecom
15557 1215 2247 55 LDCOM NETWORKS
12479 824 762 86 Uni2 Autonomous System
34984 744 189 177 BILISIM TELEKOM
6830 714 2310 445 UPC Distribution Services
20940 710 230 554 Akamai Technologies European
31148 699 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 669 100 9 Educational Network
58113 624 70 370 LIR DATACENTER TELECOM SRL
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 2077 353 220 TVCABLE BOGOTA
28573 2041 1232 55 NET Servicos de Comunicao S.A
7303 1559 1032 201 Telecom Argentina Stet-France
6503 1527 419 67 AVANTEL, S.A.
8151 1464 3044 347 UniNet S.A. de C.V.
6458 746 81 15 GUATEL
27947 715 74 95 Telconet S.A
3816 598 253 95 Empresa Nacional de Telecomun
11172 591 85 70 Servicios Alestra S.A de C.V
22047 580 326 15 VTR PUNTO NET 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 922 958 13 TEDATA
24863 856 274 37 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 515 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 227 12 19 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 179 32 6 Sudatel Internet Exchange Aut
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
7029 3440 990 156 Windstream Communications Inc
6389 3340 3773 192 bellsouth.net, inc.
4766 2760 11117 1248 Korea Telecom (KIX)
17974 2324 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 180 Covad Communications
10620 2077 353 220 TVCABLE BOGOTA
28573 2041 1232 55 NET Servicos de Comunicao S.A
1785 1935 679 126 PaeTec Communications, Inc.
7545 1713 301 87 TPG Internet Pty Ltd
22773 1700 2914 125 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3340 3148 bellsouth.net, inc.
17974 2324 2270 PT TELEKOMUNIKASI INDONESIA
28573 2041 1986 NET Servicos de Comunicao S.A
18566 2088 1908 Covad Communications
10620 2077 1857 TVCABLE BOGOTA
1785 1935 1809 PaeTec Communications, Inc.
7545 1713 1626 TPG Internet Pty Ltd
22773 1700 1575 Cox Communications, Inc.
4766 2760 1512 Korea Telecom (KIX)
6503 1527 1460 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.66.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.74.0/23 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.94.0/24 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
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
27.112.114.0/24 23884 Proimage Engineering and Comm
41.207.224.0/23 36898 UniNet Communications
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 /8:20 /9:14 /10:29 /11:84 /12:237
/13:474 /14:849 /15:1530 /16:12357 /17:6384 /18:10751
/19:20971 /20:30070 /21:31934 /22:41809 /23:39704 /24:220564
/25:1273 /26:1496 /27:860 /28:166 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2802 3440 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1834 3340 bellsouth.net, inc.
30036 1373 1437 Mediacom Communications Corp
8402 1195 1460 Corbina telecom
15557 1159 1215 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1124 1700 Cox Communications, Inc.
6503 1051 1527 AVANTEL, S.A.
1785 1039 1935 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:538 2:690 3:1 4:13 5:336 6:3
8:439 12:2012 13:1 14:634 15:11 16:3
17:6 20:24 23:201 24:1806 27:1333 31:1020
32:56 33:2 34:2 36:8 37:727 38:816
39:1 40:134 41:2888 42:156 44:3 46:1559
47:2 49:432 50:581 52:13 54:14 55:3
57:31 58:989 59:516 60:238 61:1286 62:981
63:2021 64:4243 65:2245 66:4535 67:2055 68:1155
69:3209 70:989 71:518 72:1868 74:2607 75:489
76:331 77:956 78:893 79:501 80:1280 81:954
82:635 83:540 84:620 85:1136 86:797 87:935
88:337 89:1802 90:305 91:5093 92:591 93:1456
94:1586 95:1262 96:409 97:317 98:900 99:39
100:22 101:255 103:1375 105:512 106:112 107:191
108:420 109:1914 110:789 111:955 112:432 113:671
114:650 115:847 116:922 117:729 118:945 119:1227
120:360 121:692 122:1655 123:1168 124:1350 125:1266
128:518 129:183 130:268 131:633 132:299 133:22
134:245 135:61 136:215 137:238 138:345 139:184
140:496 141:260 142:450 143:377 144:494 145:78
146:511 147:265 148:767 149:319 150:154 151:186
152:455 153:175 154:20 155:405 156:222 157:381
158:189 159:633 160:348 161:409 162:391 163:188
164:682 165:410 166:572 167:530 168:960 169:126
170:908 171:145 172:5 173:1739 174:630 175:435
176:594 177:979 178:1682 180:1334 181:117 182:1032
183:233 184:575 186:2075 187:1123 188:1427 189:1583
190:6004 192:6009 193:5445 194:4233 195:3263 196:1242
197:200 198:3698 199:4895 200:6022 201:1964 202:8687
203:8664 204:4392 205:2529 206:2813 207:2797 208:4050
209:3632 210:2771 211:1561 212:2014 213:1801 214:871
215:86 216:5099 217:1565 218:562 219:315 220:1242
221:572 222:336 223:373
End of report