Routing Table Report 04:00 +10GMT Wed 29 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 423280
Prefixes after maximum aggregation: 177841
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 206668
Total ASes present in the Internet Routing Table: 41950
Prefixes per ASN: 10.09
Origin-only ASes present in the Internet Routing Table: 33543
Origin ASes announcing only one prefix: 15741
Transit ASes present in the Internet Routing Table: 5600
Transit-only ASes present in the Internet Routing Table: 137
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: 642
Unregistered ASNs in the Routing Table: 228
Number of 32-bit ASNs allocated by the RIRs: 3185
Number of 32-bit ASNs visible in the Routing Table: 2807
Prefixes from 32-bit ASNs in the Routing Table: 7281
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2589825708
Equivalent to 154 /8s, 93 /16s and 154 /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: 149375
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101862
Total APNIC prefixes after maximum aggregation: 32845
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 102461
Unique aggregates announced from the APNIC address blocks: 42435
APNIC Region origin ASes present in the Internet Routing Table: 4741
APNIC Prefixes per ASN: 21.61
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 761
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: 707365408
Equivalent to 42 /8s, 41 /16s and 138 /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: 154027
Total ARIN prefixes after maximum aggregation: 77943
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155036
Unique aggregates announced from the ARIN address blocks: 68971
ARIN Region origin ASes present in the Internet Routing Table: 15233
ARIN Prefixes per ASN: 10.18
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: 17
Number of ARIN addresses announced to Internet: 1083737472
Equivalent to 64 /8s, 152 /16s and 133 /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: 107211
Total RIPE prefixes after maximum aggregation: 56321
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 109506
Unique aggregates announced from the RIPE address blocks: 69470
RIPE Region origin ASes present in the Internet Routing Table: 16804
RIPE Prefixes per ASN: 6.52
RIPE Region origin ASes announcing only one prefix: 8140
RIPE Region transit ASes present in the Internet Routing Table: 2717
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: 1830
Number of RIPE addresses announced to Internet: 642049508
Equivalent to 38 /8s, 68 /16s and 229 /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: 43149
Total LACNIC prefixes after maximum aggregation: 8481
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 46036
Unique aggregates announced from the LACNIC address blocks: 22177
LACNIC Region origin ASes present in the Internet Routing Table: 1636
LACNIC Prefixes per ASN: 28.14
LACNIC Region origin ASes announcing only one prefix: 429
LACNIC Region transit ASes present in the Internet Routing Table: 319
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: 667
Number of LACNIC addresses announced to Internet: 114660136
Equivalent to 6 /8s, 213 /16s and 147 /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: 9595
Total AfriNIC prefixes after maximum aggregation: 2197
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 10071
Unique aggregates announced from the AfriNIC address blocks: 3473
AfriNIC Region origin ASes present in the Internet Routing Table: 559
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 121
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: 41686784
Equivalent to 2 /8s, 124 /16s and 23 /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 2954 11125 1421 Korea Telecom (KIX)
17974 2343 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1731 301 88 TPG Internet Pty Ltd
4755 1609 386 159 TATA Communications formerly
9829 1310 1100 27 BSNL National Internet Backbo
9583 1177 86 509 Sify Limited
4808 1135 2067 322 CNCGROUP IP network: China169
7552 1108 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 3452 990 154 Windstream Communications Inc
6389 3352 3738 187 bellsouth.net, inc.
18566 2086 382 179 Covad Communications
1785 1946 681 130 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications, Inc.
20115 1652 1576 610 Charter Communications
4323 1576 1026 388 Time Warner Telecom
30036 1439 281 725 Mediacom Communications Corp
7018 1256 10323 823 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 1646 544 16 Corbina telecom
15557 1217 2247 55 LDCOM NETWORKS
12479 828 764 85 Uni2 Autonomous System
34984 751 189 176 BILISIM TELEKOM
6830 720 2313 447 UPC Distribution Services
20940 718 230 555 Akamai Technologies European
31148 709 37 9 FreeNet ISP
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 651 100 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 2055 1245 56 NET Servicos de Comunicao S.A
7303 1565 1034 200 Telecom Argentina Stet-France
8151 1473 3033 346 UniNet S.A. de C.V.
6503 1420 435 68 AVANTEL, S.A.
6458 876 81 15 GUATEL
27947 721 74 95 Telconet S.A
3816 601 255 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
24863 869 275 36 LINKdotNET AS number
8452 868 958 13 TEDATA
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 3452 990 154 Windstream Communications Inc
6389 3352 3738 187 bellsouth.net, inc.
4766 2954 11125 1421 Korea Telecom (KIX)
17974 2343 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2100 358 219 TVCABLE BOGOTA
18566 2086 382 179 Covad Communications
28573 2055 1245 56 NET Servicos de Comunicao S.A
1785 1946 681 130 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications, Inc.
7545 1731 301 88 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 3352 3165 bellsouth.net, inc.
17974 2343 2289 PT TELEKOMUNIKASI INDONESIA
28573 2055 1999 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 1731 1643 TPG Internet Pty Ltd
8402 1646 1630 Corbina telecom
4766 2954 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
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
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.
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 /12:237
/13:475 /14:842 /15:1532 /16:12356 /17:6388 /18:10825
/19:20955 /20:30106 /21:31830 /22:42074 /23:39842 /24:221643
/25:1311 /26:1537 /27:903 /28:172 /29:64 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2810 3452 Windstream Communications Inc
18566 2036 2086 Covad Communications
6389 1855 3352 bellsouth.net, inc.
30036 1372 1439 Mediacom Communications Corp
8402 1363 1646 Corbina telecom
22773 1175 1825 Cox Communications, Inc.
15557 1161 1217 LDCOM NETWORKS
11492 1160 1197 Cable One
1785 1041 1946 PaeTec Communications, Inc.
6503 974 1420 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:568 2:779 3:1 4:13 5:384 6:3
8:440 12:2001 13:1 14:649 15:11 16:3
17:6 20:27 23:205 24:1804 27:1323 31:1035
32:56 33:2 34:2 36:8 37:743 38:823
39:2 40:133 41:2855 42:158 44:3 46:1585
47:2 49:471 50:597 52:13 54:17 55:8
56:1 57:28 58:989 59:525 60:239 61:1284
62:995 63:2007 64:4265 65:2237 66:4502 67:2047
68:1173 69:3205 70:987 71:523 72:1867 74:2580
75:491 76:330 77:951 78:936 79:488 80:1279
81:959 82:633 83:534 84:621 85:1143 86:803
87:930 88:363 89:1831 90:302 91:5145 92:591
93:1526 94:1585 95:1277 96:415 97:317 98:909
99:39 100:23 101:263 103:1439 105:512 106:116
107:198 108:436 109:1909 110:798 111:957 112:433
113:683 114:654 115:847 116:888 117:729 118:938
119:1223 120:301 121:691 122:1654 123:1185 124:1354
125:1266 128:560 129:185 130:283 131:627 132:301
133:22 134:246 135:61 136:218 137:239 138:338
139:183 140:502 141:275 142:485 143:362 144:488
145:82 146:513 147:261 148:755 149:299 150:158
151:171 152:457 153:177 154:20 155:419 156:222
157:382 158:179 159:640 160:347 161:407 162:407
163:190 164:689 165:416 166:563 167:539 168:959
169:125 170:905 171:145 172:5 173:1714 174:631
175:443 176:607 177:1065 178:1694 180:1345 181:127
182:1039 183:227 184:590 186:2122 187:1070 188:1468
189:1557 190:6160 192:6024 193:5462 194:4227 195:3271
196:1218 197:203 198:3747 199:4953 200:5973 201:1969
202:8731 203:8677 204:4411 205:2537 206:2767 207:2870
208:4051 209:3642 210:2806 211:1558 212:2021 213:1808
214:889 215:85 216:5140 217:1547 218:548 219:316
220:1240 221:528 222:337 223:341
End of report