Routing Table Report 04:00 +10GMT Wed 15 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422350
Prefixes after maximum aggregation: 177404
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 204226
Total ASes present in the Internet Routing Table: 41815
Prefixes per ASN: 10.10
Origin-only ASes present in the Internet Routing Table: 33471
Origin ASes announcing only one prefix: 15714
Transit ASes present in the Internet Routing Table: 5604
Transit-only ASes present in the Internet Routing Table: 138
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: 416
Unregistered ASNs in the Routing Table: 162
Number of 32-bit ASNs allocated by the RIRs: 3112
Number of 32-bit ASNs visible in the Routing Table: 2740
Prefixes from 32-bit ASNs in the Routing Table: 7073
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2590002060
Equivalent to 154 /8s, 96 /16s and 75 /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: 93.2
Total number of prefixes smaller than registry allocations: 148645
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102165
Total APNIC prefixes after maximum aggregation: 32882
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102732
Unique aggregates announced from the APNIC address blocks: 42325
APNIC Region origin ASes present in the Internet Routing Table: 4737
APNIC Prefixes per ASN: 21.69
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 762
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: 282
Number of APNIC addresses announced to Internet: 708224640
Equivalent to 42 /8s, 54 /16s and 166 /24s
Percentage of available APNIC address space announced: 82.8
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: 153706
Total ARIN prefixes after maximum aggregation: 77869
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154711
Unique aggregates announced from the ARIN address blocks: 68768
ARIN Region origin ASes present in the Internet Routing Table: 15219
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5751
ARIN Region transit ASes present in the Internet Routing Table: 1605
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: 1084000896
Equivalent to 64 /8s, 156 /16s and 138 /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: 106543
Total RIPE prefixes after maximum aggregation: 56009
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108762
Unique aggregates announced from the RIPE address blocks: 67495
RIPE Region origin ASes present in the Internet Routing Table: 16759
RIPE Prefixes per ASN: 6.49
RIPE Region origin ASes announcing only one prefix: 8119
RIPE Region transit ASes present in the Internet Routing Table: 2713
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: 1789
Number of RIPE addresses announced to Internet: 641882084
Equivalent to 38 /8s, 66 /16s and 87 /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: 43045
Total LACNIC prefixes after maximum aggregation: 8394
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 45858
Unique aggregates announced from the LACNIC address blocks: 22081
LACNIC Region origin ASes present in the Internet Routing Table: 1629
LACNIC Prefixes per ASN: 28.15
LACNIC Region origin ASes announcing only one prefix: 428
LACNIC Region transit ASes present in the Internet Routing Table: 316
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: 646
Number of LACNIC addresses announced to Internet: 113829032
Equivalent to 6 /8s, 200 /16s and 228 /24s
Percentage of available LACNIC address space announced: 67.8
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: 9662
Total AfriNIC prefixes after maximum aggregation: 2196
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 10117
Unique aggregates announced from the AfriNIC address blocks: 3415
AfriNIC Region origin ASes present in the Internet Routing Table: 560
AfriNIC Prefixes per ASN: 18.07
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 41660672
Equivalent to 2 /8s, 123 /16s and 177 /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 2761 11117 1250 Korea Telecom (KIX)
17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1714 301 87 TPG Internet Pty Ltd
4755 1606 386 158 TATA Communications formerly
9829 1311 1084 31 BSNL National Internet Backbo
9583 1206 90 534 Sify Limited
4808 1123 2050 321 CNCGROUP IP network: China169
7552 1110 1062 11 Vietel Corporation
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 997 294 74 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 3441 990 154 Windstream Communications Inc
6389 3374 3772 192 bellsouth.net, inc.
18566 2088 382 180 Covad Communications
1785 1939 680 129 PaeTec Communications, Inc.
22773 1723 2914 127 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1574 1026 385 Time Warner Telecom
30036 1448 285 777 Mediacom Communications Corp
7018 1239 10022 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 1548 544 16 Corbina telecom
15557 1215 2247 55 LDCOM NETWORKS
12479 826 764 85 Uni2 Autonomous System
34984 747 189 175 BILISIM TELEKOM
6830 715 2311 446 UPC Distribution Services
20940 711 230 552 Akamai Technologies European
31148 694 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 668 100 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 2029 1238 57 NET Servicos de Comunicao S.A
7303 1561 1032 201 Telecom Argentina Stet-France
6503 1528 419 67 AVANTEL, S.A.
8151 1465 3044 342 UniNet S.A. de C.V.
6458 883 81 15 GUATEL
27947 715 74 95 Telconet S.A
3816 600 254 92 Empresa Nacional de Telecomun
11172 590 85 69 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 897 956 9 TEDATA
24863 868 275 36 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
33776 219 12 19 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
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 3441 990 154 Windstream Communications Inc
6389 3374 3772 192 bellsouth.net, inc.
4766 2761 11117 1250 Korea Telecom (KIX)
17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 180 Covad Communications
10620 2077 353 220 TVCABLE BOGOTA
28573 2029 1238 57 NET Servicos de Comunicao S.A
1785 1939 680 129 PaeTec Communications, Inc.
22773 1723 2914 127 Cox Communications, Inc.
7545 1714 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 3374 3182 bellsouth.net, inc.
17974 2342 2288 PT TELEKOMUNIKASI INDONESIA
28573 2029 1972 NET Servicos de Comunicao S.A
18566 2088 1908 Covad Communications
10620 2077 1857 TVCABLE BOGOTA
1785 1939 1810 PaeTec Communications, Inc.
7545 1714 1627 TPG Internet Pty Ltd
22773 1723 1596 Cox Communications, Inc.
8402 1548 1532 Corbina telecom
4766 2761 1511 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
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.
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.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.191.0.0/16 31721 Azercell Telecom AS
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
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 /14:846 /15:1529 /16:12367 /17:6369 /18:10773
/19:20962 /20:30081 /21:31935 /22:41897 /23:39739 /24:221082
/25:1274 /26:1508 /27:858 /28:168 /29:62 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3441 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1860 3374 bellsouth.net, inc.
30036 1383 1448 Mediacom Communications Corp
8402 1276 1548 Corbina telecom
15557 1159 1215 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1131 1723 Cox Communications, Inc.
6503 1051 1528 AVANTEL, S.A.
1785 1040 1939 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:541 2:766 3:1 4:13 5:353 6:3
8:438 12:2011 13:1 14:640 15:11 16:3
17:6 20:26 23:200 24:1800 27:1333 31:1026
32:56 33:2 34:2 36:7 37:732 38:820
39:1 40:134 41:2884 42:157 44:3 46:1583
47:2 49:435 50:584 52:13 54:14 55:6
56:1 57:31 58:987 59:519 60:238 61:1289
62:990 63:2022 64:4257 65:2253 66:4541 67:2054
68:1159 69:3213 70:989 71:519 72:1869 74:2606
75:489 76:330 77:956 78:908 79:500 80:1276
81:955 82:632 83:540 84:620 85:1133 86:797
87:934 88:336 89:1809 90:305 91:5109 92:591
93:1462 94:1574 95:1265 96:411 97:317 98:895
99:39 100:22 101:256 103:1393 105:512 106:112
107:193 108:424 109:1906 110:789 111:951 112:435
113:672 114:654 115:843 116:927 117:729 118:944
119:1249 120:362 121:698 122:1659 123:1160 124:1349
125:1265 128:525 129:185 130:268 131:635 132:299
133:22 134:246 135:61 136:217 137:239 138:341
139:185 140:501 141:266 142:451 143:371 144:494
145:78 146:511 147:253 148:769 149:320 150:153
151:186 152:457 153:175 154:20 155:408 156:222
157:381 158:189 159:635 160:348 161:410 162:401
163:189 164:684 165:410 166:574 167:532 168:954
169:126 170:908 171:145 172:5 173:1741 174:627
175:433 176:596 177:993 178:1682 180:1337 181:117
182:1035 183:234 184:579 186:2063 187:1131 188:1443
189:1579 190:6138 192:6016 193:5453 194:4238 195:3260
196:1234 197:204 198:3705 199:4911 200:6029 201:1962
202:8695 203:8668 204:4394 205:2543 206:2816 207:2794
208:4048 209:3635 210:2781 211:1566 212:2020 213:1801
214:878 215:87 216:5104 217:1533 218:565 219:314
220:1238 221:573 222:336 223:373
End of report