Routing Table Report 04:00 +10GMT Wed 08 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422219
Prefixes after maximum aggregation: 177082
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 205010
Total ASes present in the Internet Routing Table: 41715
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33406
Origin ASes announcing only one prefix: 15672
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: 411
Unregistered ASNs in the Routing Table: 157
Number of 32-bit ASNs allocated by the RIRs: 3075
Number of 32-bit ASNs visible in the Routing Table: 2711
Prefixes from 32-bit ASNs in the Routing Table: 6968
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 169
Number of addresses announced to Internet: 2583342220
Equivalent to 153 /8s, 250 /16s and 172 /24s
Percentage of available address space announced: 69.7
Percentage of allocated address space announced: 69.8
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 148299
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101963
Total APNIC prefixes after maximum aggregation: 32774
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102491
Unique aggregates announced from the APNIC address blocks: 42099
APNIC Region origin ASes present in the Internet Routing Table: 4730
APNIC Prefixes per ASN: 21.67
APNIC Region origin ASes announcing only one prefix: 1237
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: 275
Number of APNIC addresses announced to Internet: 706657152
Equivalent to 42 /8s, 30 /16s and 187 /24s
Percentage of available APNIC address space announced: 82.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 153422
Total ARIN prefixes after maximum aggregation: 77841
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154465
Unique aggregates announced from the ARIN address blocks: 68768
ARIN Region origin ASes present in the Internet Routing Table: 15205
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5757
ARIN Region transit ASes present in the Internet Routing Table: 1597
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: 16
Number of ARIN addresses announced to Internet: 1083577984
Equivalent to 64 /8s, 150 /16s and 22 /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: 107060
Total RIPE prefixes after maximum aggregation: 55873
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 109238
Unique aggregates announced from the RIPE address blocks: 68617
RIPE Region origin ASes present in the Internet Routing Table: 16723
RIPE Prefixes per ASN: 6.53
RIPE Region origin ASes announcing only one prefix: 8085
RIPE Region transit ASes present in the Internet Routing Table: 2706
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: 1769
Number of RIPE addresses announced to Internet: 638261476
Equivalent to 38 /8s, 11 /16s and 24 /24s
Percentage of available RIPE address space announced: 92.8
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: 43019
Total LACNIC prefixes after maximum aggregation: 8350
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 45771
Unique aggregates announced from the LACNIC address blocks: 21952
LACNIC Region origin ASes present in the Internet Routing Table: 1622
LACNIC Prefixes per ASN: 28.22
LACNIC Region origin ASes announcing only one prefix: 422
LACNIC Region transit ASes present in the Internet Routing Table: 317
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: 645
Number of LACNIC addresses announced to Internet: 112940968
Equivalent to 6 /8s, 187 /16s and 87 /24s
Percentage of available LACNIC address space announced: 67.3
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: 9633
Total AfriNIC prefixes after maximum aggregation: 2190
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 10085
Unique aggregates announced from the AfriNIC address blocks: 3435
AfriNIC Region origin ASes present in the Internet Routing Table: 557
AfriNIC Prefixes per ASN: 18.11
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 41578240
Equivalent to 2 /8s, 122 /16s and 111 /24s
Percentage of available AfriNIC address space announced: 41.3
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 11123 1252 Korea Telecom (KIX)
17974 2313 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1711 301 87 TPG Internet Pty Ltd
4755 1605 386 158 TATA Communications formerly
9829 1310 1084 31 BSNL National Internet Backbo
9583 1206 90 533 Sify Limited
7552 1127 1062 11 Vietel Corporation
4808 1120 2050 320 CNCGROUP IP network: China169
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 997 294 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 3446 986 155 Windstream Communications Inc
6389 3343 3773 191 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1946 681 132 PaeTec Communications, Inc.
22773 1696 2914 125 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1579 1027 385 Time Warner Telecom
30036 1425 277 783 Mediacom Communications Corp
7018 1245 10040 814 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 1615 544 16 Corbina telecom
2118 1433 97 14 EUnet/RELCOM Autonomous Syste
15557 1215 2247 55 LDCOM NETWORKS
12479 823 761 88 Uni2 Autonomous System
34984 736 189 177 BILISIM TELEKOM
20940 724 236 564 Akamai Technologies European
6830 714 2310 445 UPC Distribution Services
31148 704 37 9 FreeNet ISP
13188 660 100 9 Educational Network
58113 627 70 373 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 2050 350 212 TVCABLE BOGOTA
28573 2042 1231 56 NET Servicos de Comunicao S.A
6503 1528 419 67 AVANTEL, S.A.
8151 1464 3044 345 UniNet S.A. de C.V.
7303 1462 936 200 Telecom Argentina Stet-France
6458 884 81 15 GUATEL
27947 715 74 95 Telconet S.A
11172 644 91 74 Servicios Alestra S.A de C.V
3816 595 253 98 Empresa Nacional de Telecomun
22047 583 326 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 945 958 13 TEDATA
24863 865 274 33 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 216 12 17 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 180 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 3446 986 155 Windstream Communications Inc
6389 3343 3773 191 bellsouth.net, inc.
4766 2760 11123 1252 Korea Telecom (KIX)
17974 2313 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
10620 2050 350 212 TVCABLE BOGOTA
28573 2042 1231 56 NET Servicos de Comunicao S.A
1785 1946 681 132 PaeTec Communications, Inc.
7545 1711 301 87 TPG Internet Pty Ltd
22773 1696 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 3343 3152 bellsouth.net, inc.
17974 2313 2259 PT TELEKOMUNIKASI INDONESIA
28573 2042 1986 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
10620 2050 1838 TVCABLE BOGOTA
1785 1946 1814 PaeTec Communications, Inc.
7545 1711 1624 TPG Internet Pty Ltd
8402 1615 1599 Corbina telecom
22773 1696 1571 Cox Communications, Inc.
4766 2760 1508 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 5.149.64.0/19 43179 RIPE Network Coordin
59457 UNALLOCATED 5.149.65.0/24 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.
59458 UNALLOCATED 5.149.96.0/21 50597 ScopeSky Communicati
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.178.64.0/21 50673 Serverius AS
5.178.120.0/21 5602 KPNQwest Italia S.p.a
5.178.128.0/18 28751 Caucasus Network Tbilisi, Geo
5.178.128.0/17 20771 aut-num: AS20771
5.178.192.0/18 28751 Caucasus Network Tbilisi, Geo
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
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 /9:13 /10:28 /11:83 /12:236
/13:474 /14:849 /15:1527 /16:12342 /17:6378 /18:10754
/19:20937 /20:29950 /21:31877 /22:41739 /23:39733 /24:221388
/25:1276 /26:1501 /27:856 /28:163 /29:54 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2805 3446 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1835 3343 bellsouth.net, inc.
30036 1361 1425 Mediacom Communications Corp
8402 1312 1615 Corbina telecom
15557 1159 1215 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1120 1696 Cox Communications, Inc.
1785 1052 1946 PaeTec Communications, Inc.
6503 1051 1528 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:536 2:752 3:1 4:13 5:334 6:3
8:438 12:2003 13:1 14:630 15:11 16:3
17:6 20:24 23:202 24:1801 27:1323 31:1026
32:56 33:2 34:2 36:8 37:693 38:825
39:1 40:134 41:2852 42:156 44:3 46:1563
47:2 49:428 50:581 52:13 54:14 55:7
56:1 57:31 58:988 59:512 60:236 61:1284
62:973 63:2026 64:4246 65:2248 66:4536 67:2040
68:1152 69:3208 70:986 71:520 72:1871 74:2608
75:489 76:331 77:953 78:954 79:495 80:1279
81:954 82:643 83:539 84:620 85:1146 86:797
87:933 88:353 89:1805 90:305 91:5073 92:586
93:1466 94:1582 95:1275 96:400 97:317 98:893
99:39 100:22 101:255 103:1355 105:512 106:112
107:189 108:415 109:1897 110:793 111:946 112:433
113:666 114:653 115:856 116:918 117:729 118:946
119:1230 120:358 121:699 122:1654 123:1165 124:1347
125:1263 128:555 129:183 130:267 131:639 132:298
133:22 134:245 135:61 136:215 137:240 138:345
139:183 140:496 141:261 142:450 143:380 144:503
145:78 146:511 147:295 148:772 149:319 150:153
151:186 152:455 153:175 154:19 155:404 156:222
157:381 158:189 159:631 160:348 161:400 162:383
163:187 164:683 165:411 166:578 167:530 168:964
169:126 170:907 171:148 172:5 173:1730 174:632
175:432 176:573 177:1001 178:1676 180:1332 181:117
182:1030 183:232 184:572 186:2055 187:1122 188:1408
189:1590 190:6150 192:6022 193:5674 194:4542 195:3459
196:1236 197:198 198:3700 199:4886 200:6018 201:1977
202:8672 203:8668 204:4385 205:2527 206:2812 207:2799
208:4045 209:3631 210:2768 211:1547 212:2012 213:1809
214:876 215:86 216:5081 217:1561 218:561 219:314
220:1239 221:572 222:332 223:371
End of report