Routing Table Report 08:00 +10GMT Wed 29 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 447866
Prefixes after maximum aggregation: 183487
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224425
Total ASes present in the Internet Routing Table: 40378
Prefixes per ASN: 11.09
Origin-only ASes present in the Internet Routing Table: 34677
Origin ASes announcing only one prefix: 16158
Transit ASes present in the Internet Routing Table: 5693
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 62
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 811
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 4777
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10437
Special use prefixes present in the Routing Table: 30
Prefixes being announced from unallocated address space: 240
Number of addresses announced to Internet: 2640552448
Equivalent to 157 /8s, 99 /16s and 162 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 156040
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103446
Total APNIC prefixes after maximum aggregation: 32099
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105464
Unique aggregates announced from the APNIC address blocks: 44778
APNIC Region origin ASes present in the Internet Routing Table: 4805
APNIC Prefixes per ASN: 21.95
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 792
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 22
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 721265152
Equivalent to 42 /8s, 253 /16s and 162 /24s
Percentage of available APNIC address space announced: 84.3
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: 158083
Total ARIN prefixes after maximum aggregation: 79870
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158723
Unique aggregates announced from the ARIN address blocks: 73276
ARIN Region origin ASes present in the Internet Routing Table: 15650
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5976
ARIN Region transit ASes present in the Internet Routing Table: 1584
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1063476480
Equivalent to 63 /8s, 99 /16s and 93 /24s
Percentage of available ARIN address space announced: 56.3
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: 117104
Total RIPE prefixes after maximum aggregation: 59762
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120691
Unique aggregates announced from the RIPE address blocks: 77856
RIPE Region origin ASes present in the Internet Routing Table: 17182
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8163
RIPE Region transit ASes present in the Internet Routing Table: 2768
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 62
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656682496
Equivalent to 39 /8s, 36 /16s and 46 /24s
Percentage of available RIPE address space announced: 95.5
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: 47214
Total LACNIC prefixes after maximum aggregation: 9204
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51333
Unique aggregates announced from the LACNIC address blocks: 24404
LACNIC Region origin ASes present in the Internet Routing Table: 1935
LACNIC Prefixes per ASN: 26.53
LACNIC Region origin ASes announcing only one prefix: 584
LACNIC Region transit ASes present in the Internet Routing Table: 349
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 130128384
Equivalent to 7 /8s, 193 /16s and 154 /24s
Percentage of available LACNIC address space announced: 77.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10836
Total AfriNIC prefixes after maximum aggregation: 2511
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11414
Unique aggregates announced from the AfriNIC address blocks: 3886
AfriNIC Region origin ASes present in the Internet Routing Table: 636
AfriNIC Prefixes per ASN: 17.95
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 47484928
Equivalent to 2 /8s, 212 /16s and 144 /24s
Percentage of available AfriNIC address space announced: 47.2
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
17974 2509 839 90 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7545 1977 320 107 TPG Internet Pty Ltd
4755 1707 390 190 TATA Communications formerly
9829 1503 1205 40 National Internet Backbone
9583 1209 91 505 Sify Limited
9498 1118 309 75 BHARTI Airtel Ltd.
7552 1100 1080 13 Vietel Corporation
24560 1074 393 162 Bharti Airtel Ltd., Telemedia
4808 1048 2006 303 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3018 3693 79 BellSouth.net Inc.
18566 2063 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1980 2929 125 Cox Communications Inc.
7029 1937 1265 211 Windstream Communications Inc
20115 1669 1609 612 Charter Communications
4323 1607 1154 399 tw telecom holdings, inc.
30036 1328 296 642 Mediacom Communications Corp
7018 1317 11091 850 AT&T Services, Inc.
11492 1233 220 344 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1727 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1202 237 223 BILISIM TELEKOM
20940 851 299 671 Akamai Technologies European
13188 819 97 77 Ukraine
8551 815 370 43 Bezeq International
31148 809 40 24 FreeNet ISP
6830 772 2377 445 UPC Broadband
34744 682 173 58 SC GVM SISTEM 2003 SRL
58113 666 74 386 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2764 1529 112 Types of queries are: POCs, o
10620 2634 413 232 Types of queries are: POCs, o
7303 1727 1154 223 Telecom Argentina S.A.
8151 1251 2707 400 Uninet S.A. de C.V.
18881 952 780 19 Global Village Telecom
6503 931 435 70 Axtel, S.A.B. de C.V.
27947 814 89 105 Telconet S.A
3816 711 307 87 Types of queries are: POCs, o
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 611 103 66 Alestra, S. de R.L. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1069 80 4 MOBITEL
24863 893 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 440 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
37054 196 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3018 3693 79 BellSouth.net Inc.
28573 2764 1529 112 Types of queries are: POCs, o
10620 2634 413 232 Types of queries are: POCs, o
17974 2509 839 90 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
18566 2063 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1980 2929 125 Cox Communications Inc.
7545 1977 320 107 TPG Internet Pty Ltd
7029 1937 1265 211 Windstream Communications Inc
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2764 2652 Types of queries are: POCs, o
17974 2509 2419 PT Telekomunikasi Indonesia
10620 2634 2402 Types of queries are: POCs, o
18566 2063 1881 Covad Communications Co.
7545 1977 1870 TPG Internet Pty Ltd
1785 1990 1867 PaeTec Communications, Inc.
22773 1980 1855 Cox Communications Inc.
7029 1937 1726 Windstream Communications Inc
8402 1727 1711 Corbina telecom
4766 2145 1518 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65101 PRIVATE 5.16.192.0/19 41733 JSC "Z-Telecom"
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7018 AT&T Services, Inc.
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/london/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 /8:17 /9:11 /10:31 /11:88 /12:250
/13:481 /14:894 /15:1587 /16:12634 /17:6645 /18:11089
/19:22139 /20:31974 /21:34065 /22:46875 /23:41891 /24:236576
/25:9 /26:11 /27:12 /28:136 /29:207 /30:109
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
6389 1733 3018 BellSouth.net Inc.
7029 1468 1937 Windstream Communications Inc
8402 1420 1727 Corbina telecom
22773 1287 1980 Cox Communications Inc.
30036 1198 1328 Mediacom Communications Corp
11492 1194 1233 CABLE ONE, INC.
36998 1063 1069 MOBITEL
1785 1062 1990 PaeTec Communications, Inc.
6983 1008 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:767 2:783 3:3 4:12 5:760 6:9
8:550 12:1925 13:3 14:803 15:11 16:3
17:9 20:17 23:272 24:1762 27:1466 31:1313
32:38 33:2 34:5 36:28 37:1859 38:872
39:2 40:172 41:2848 42:187 44:6 46:1911
47:2 49:591 50:700 52:12 54:33 55:7
57:29 58:1077 59:561 60:308 61:1387 62:1113
63:2031 64:4345 65:2173 66:4370 67:2063 68:1129
69:3260 70:879 71:519 72:1919 74:2565 75:407
76:305 77:1076 78:1030 79:590 80:1262 81:1002
82:629 83:572 84:532 85:1158 86:450 87:986
88:539 89:1740 90:147 91:5491 92:592 93:1699
94:1833 95:1498 96:515 97:344 98:1037 99:38
100:29 101:327 103:2624 105:447 106:94 107:209
108:501 109:1820 110:884 111:1032 112:532 113:786
114:703 115:939 116:878 117:785 118:1071 119:1258
120:400 121:711 122:1757 123:1223 124:1316 125:1342
128:608 129:198 130:311 131:642 132:338 133:148
134:253 135:66 136:220 137:258 138:345 139:193
140:181 141:313 142:523 143:367 144:481 145:93
146:503 147:382 148:670 149:372 150:150 151:566
152:415 153:197 154:42 155:395 156:261 157:350
158:279 159:643 160:338 161:406 162:426 163:201
164:593 165:491 166:281 167:592 168:1028 169:128
170:1026 171:180 172:22 173:1654 174:613 175:473
176:1089 177:1984 178:1853 179:14 180:1432 181:423
182:1188 183:384 184:674 185:466 186:2238 187:1288
188:2129 189:1308 190:6315 192:6587 193:5867 194:4594
195:3422 196:1368 197:869 198:4395 199:5270 200:5898
201:2258 202:8659 203:8765 204:4431 205:2544 206:2717
207:2812 208:4035 209:3630 210:2881 211:1502 212:2225
213:1933 214:912 215:98 216:5201 217:1601 218:604
219:314 220:1256 221:558 222:316 223:443
End of report