Routing Table Report 04:00 +10GMT Tue 28 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422808
Prefixes after maximum aggregation: 177668
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 206394
Total ASes present in the Internet Routing Table: 41914
Prefixes per ASN: 10.09
Origin-only ASes present in the Internet Routing Table: 33513
Origin ASes announcing only one prefix: 15733
Transit ASes present in the Internet Routing Table: 5598
Transit-only ASes present in the Internet Routing Table: 134
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: 641
Unregistered ASNs in the Routing Table: 228
Number of 32-bit ASNs allocated by the RIRs: 3182
Number of 32-bit ASNs visible in the Routing Table: 2803
Prefixes from 32-bit ASNs in the Routing Table: 7276
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2591308844
Equivalent to 154 /8s, 116 /16s and 60 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.3
Total number of prefixes smaller than registry allocations: 149193
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101743
Total APNIC prefixes after maximum aggregation: 32902
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 102343
Unique aggregates announced from the APNIC address blocks: 42513
APNIC Region origin ASes present in the Internet Routing Table: 4741
APNIC Prefixes per ASN: 21.59
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 763
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 287
Number of APNIC addresses announced to Internet: 707679904
Equivalent to 42 /8s, 46 /16s and 86 /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: 153969
Total ARIN prefixes after maximum aggregation: 77884
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 154969
Unique aggregates announced from the ARIN address blocks: 68961
ARIN Region origin ASes present in the Internet Routing Table: 15232
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5762
ARIN Region transit ASes present in the Internet Routing Table: 1601
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: 1085445504
Equivalent to 64 /8s, 178 /16s and 149 /24s
Percentage of available ARIN address space announced: 57.4
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: 106948
Total RIPE prefixes after maximum aggregation: 56190
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 109244
Unique aggregates announced from the RIPE address blocks: 69310
RIPE Region origin ASes present in the Internet Routing Table: 16780
RIPE Prefixes per ASN: 6.51
RIPE Region origin ASes announcing only one prefix: 8129
RIPE Region transit ASes present in the Internet Routing Table: 2711
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: 1825
Number of RIPE addresses announced to Internet: 641620452
Equivalent to 38 /8s, 62 /16s and 89 /24s
Percentage of available RIPE address space announced: 93.3
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: 43127
Total LACNIC prefixes after maximum aggregation: 8438
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 46018
Unique aggregates announced from the LACNIC address blocks: 22014
LACNIC Region origin ASes present in the Internet Routing Table: 1633
LACNIC Prefixes per ASN: 28.18
LACNIC Region origin ASes announcing only one prefix: 426
LACNIC Region transit ASes present in the Internet Routing Table: 315
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: 668
Number of LACNIC addresses announced to Internet: 114574888
Equivalent to 6 /8s, 212 /16s and 70 /24s
Percentage of available LACNIC address space announced: 68.3
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9592
Total AfriNIC prefixes after maximum aggregation: 2202
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 10069
Unique aggregates announced from the AfriNIC address blocks: 3459
AfriNIC Region origin ASes present in the Internet Routing Table: 559
AfriNIC Prefixes per ASN: 18.01
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 6
Number of AfriNIC addresses announced to Internet: 41684736
Equivalent to 2 /8s, 124 /16s and 15 /24s
Percentage of available AfriNIC address space announced: 41.4
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 2953 11125 1420 Korea Telecom (KIX)
17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1727 301 87 TPG Internet Pty Ltd
4755 1608 386 158 TATA Communications formerly
9829 1309 1100 27 BSNL National Internet Backbo
9583 1177 86 509 Sify Limited
4808 1130 2052 323 CNCGROUP IP network: China169
7552 1107 1062 11 Vietel Corporation
24560 1040 386 160 Bharti Airtel Ltd., Telemedia
9498 1000 310 73 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 3451 990 154 Windstream Communications Inc
6389 3357 3754 189 bellsouth.net, inc.
18566 2086 382 179 Covad Communications
1785 1946 681 130 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications, Inc.
20115 1649 1575 609 Charter Communications
4323 1574 1026 387 Time Warner Telecom
30036 1438 281 728 Mediacom Communications Corp
7018 1237 10307 809 AT&T WorldNet Services
11492 1197 217 345 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 1637 544 16 Corbina telecom
15557 1218 2247 55 LDCOM NETWORKS
12479 828 764 85 Uni2 Autonomous System
34984 750 189 175 BILISIM TELEKOM
6830 719 2313 446 UPC Distribution Services
31148 712 37 9 FreeNet ISP
20940 707 227 549 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 658 100 9 Educational Network
58113 616 69 362 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 2100 358 219 TVCABLE BOGOTA
28573 2051 1244 55 NET Servicos de Comunicao S.A
7303 1565 1034 200 Telecom Argentina Stet-France
8151 1472 3033 346 UniNet S.A. de C.V.
6503 1419 435 68 AVANTEL, S.A.
6458 884 81 15 GUATEL
27947 721 74 95 Telconet S.A
3816 602 255 90 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 880 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 535 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 267 80 8 RAYA Telecom - Egypt
3741 261 904 222 The Internet Solution
12258 194 28 66 Vodacom Internet Company
33776 194 13 11 Starcomms Nigeria Limited
15706 193 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3451 990 154 Windstream Communications Inc
6389 3357 3754 189 bellsouth.net, inc.
4766 2953 11125 1420 Korea Telecom (KIX)
17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2100 358 219 TVCABLE BOGOTA
18566 2086 382 179 Covad Communications
28573 2051 1244 55 NET Servicos de Comunicao S.A
1785 1946 681 130 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications, Inc.
7545 1727 301 87 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
6389 3357 3168 bellsouth.net, inc.
17974 2342 2288 PT TELEKOMUNIKASI INDONESIA
28573 2051 1996 NET Servicos de Comunicao S.A
18566 2086 1907 Covad Communications
10620 2100 1881 TVCABLE BOGOTA
1785 1946 1816 PaeTec Communications, Inc.
22773 1825 1697 Cox Communications, Inc.
7545 1727 1640 TPG Internet Pty Ltd
8402 1637 1621 Corbina telecom
4766 2953 1533 Korea Telecom (KIX)
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
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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 5.149.68.0/24 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 /8:19 /9:14 /10:29 /11:84 /12:238
/13:475 /14:841 /15:1533 /16:12373 /17:6392 /18:10816
/19:20937 /20:30068 /21:31748 /22:42003 /23:39746 /24:221464
/25:1311 /26:1536 /27:904 /28:171 /29:64 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2809 3451 Windstream Communications Inc
18566 2036 2086 Covad Communications
6389 1856 3357 bellsouth.net, inc.
30036 1371 1438 Mediacom Communications Corp
8402 1366 1637 Corbina telecom
22773 1175 1825 Cox Communications, Inc.
15557 1162 1218 LDCOM NETWORKS
11492 1160 1197 Cable One
1785 1041 1946 PaeTec Communications, Inc.
6503 973 1419 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:563 2:783 3:1 4:13 5:380 6:3
8:438 12:2003 13:1 14:650 15:11 16:3
17:6 20:27 23:205 24:1797 27:1324 31:1044
32:56 33:2 34:2 36:8 37:742 38:824
39:1 40:133 41:2869 42:157 44:3 46:1587
47:2 49:471 50:594 52:13 54:17 55:7
56:1 57:28 58:990 59:525 60:238 61:1285
62:987 63:2008 64:4268 65:2246 66:4500 67:2046
68:1157 69:3206 70:987 71:525 72:1867 74:2574
75:491 76:330 77:951 78:918 79:488 80:1276
81:958 82:635 83:534 84:625 85:1127 86:786
87:928 88:363 89:1822 90:301 91:5128 92:590
93:1530 94:1585 95:1271 96:414 97:317 98:905
99:39 100:23 101:262 103:1439 105:512 106:116
107:198 108:434 109:1910 110:797 111:955 112:431
113:680 114:654 115:847 116:887 117:729 118:937
119:1249 120:301 121:690 122:1660 123:1182 124:1355
125:1265 128:548 129:185 130:283 131:627 132:301
133:22 134:246 135:61 136:218 137:238 138:338
139:184 140:502 141:276 142:485 143:359 144:487
145:81 146:513 147:260 148:758 149:299 150:158
151:168 152:457 153:177 154:20 155:423 156:222
157:382 158:177 159:640 160:346 161:408 162:405
163:190 164:689 165:416 166:563 167:539 168:959
169:125 170:905 171:145 172:5 173:1714 174:631
175:423 176:604 177:1073 178:1691 180:1346 181:127
182:1037 183:227 184:590 186:2111 187:1083 188:1472
189:1549 190:6172 192:6023 193:5459 194:4228 195:3268
196:1218 197:205 198:3741 199:4942 200:5975 201:1970
202:8707 203:8655 204:4415 205:2538 206:2767 207:2872
208:4049 209:3642 210:2820 211:1557 212:2019 213:1811
214:861 215:85 216:5134 217:1547 218:548 219:316
220:1240 221:530 222:339 223:340
End of report