Routing Table Report 08:00 +10GMT Thu 23 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 448438
Prefixes after maximum aggregation: 183500
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224481
Total ASes present in the Internet Routing Table: 40342
Prefixes per ASN: 11.12
Origin-only ASes present in the Internet Routing Table: 34657
Origin ASes announcing only one prefix: 16142
Transit ASes present in the Internet Routing Table: 5677
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 49327) 21
Prefixes from unregistered ASNs in the Routing Table: 802
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 4772
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10390
Special use prefixes present in the Routing Table: 31
Prefixes being announced from unallocated address space: 254
Number of addresses announced to Internet: 2639582976
Equivalent to 157 /8s, 84 /16s and 215 /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: 156628
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103413
Total APNIC prefixes after maximum aggregation: 32071
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105428
Unique aggregates announced from the APNIC address blocks: 44717
APNIC Region origin ASes present in the Internet Routing Table: 4799
APNIC Prefixes per ASN: 21.97
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 790
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 721368320
Equivalent to 42 /8s, 255 /16s and 53 /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: 158097
Total ARIN prefixes after maximum aggregation: 79960
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158708
Unique aggregates announced from the ARIN address blocks: 73324
ARIN Region origin ASes present in the Internet Routing Table: 15646
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5981
ARIN Region transit ASes present in the Internet Routing Table: 1579
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: 1062358528
Equivalent to 63 /8s, 82 /16s and 78 /24s
Percentage of available ARIN address space announced: 56.2
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: 117554
Total RIPE prefixes after maximum aggregation: 59753
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 121130
Unique aggregates announced from the RIPE address blocks: 77958
RIPE Region origin ASes present in the Internet Routing Table: 17169
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2765
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656369152
Equivalent to 39 /8s, 31 /16s and 102 /24s
Percentage of available RIPE address space announced: 95.4
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: 47268
Total LACNIC prefixes after maximum aggregation: 9169
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 51372
Unique aggregates announced from the LACNIC address blocks: 24362
LACNIC Region origin ASes present in the Internet Routing Table: 1925
LACNIC Prefixes per ASN: 26.69
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 346
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 129487360
Equivalent to 7 /8s, 183 /16s and 210 /24s
Percentage of available LACNIC address space announced: 77.2
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: 10981
Total AfriNIC prefixes after maximum aggregation: 2507
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 11545
Unique aggregates announced from the AfriNIC address blocks: 3885
AfriNIC Region origin ASes present in the Internet Routing Table: 633
AfriNIC Prefixes per ASN: 18.24
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 46363136
Equivalent to 2 /8s, 195 /16s and 114 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2510 838 90 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7545 1976 320 107 TPG Internet Pty Ltd
4755 1709 390 190 TATA Communications formerly
9829 1512 1205 40 National Internet Backbone
9583 1218 91 506 Sify Limited
7552 1157 1064 12 Vietel Corporation
9498 1112 309 72 BHARTI Airtel Ltd.
24560 1069 393 166 Bharti Airtel Ltd., Telemedia
4808 1048 2006 305 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.
7029 2082 1265 211 Windstream Communications Inc
18566 2063 381 182 Covad Communications Co.
1785 1990 677 124 PaeTec Communications, Inc.
22773 1978 2929 125 Cox Communications Inc.
20115 1669 1608 613 Charter Communications
4323 1617 1154 399 tw telecom holdings, inc.
30036 1329 296 646 Mediacom Communications Corp
7018 1325 11108 857 AT&T Services, Inc.
11492 1231 220 343 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 1770 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1197 237 223 BILISIM TELEKOM
20940 842 297 662 Akamai Technologies European
13188 822 98 73 Ukraine
8551 816 370 43 Bezeq International
31148 794 39 23 FreeNet ISP
6830 771 2376 444 UPC Broadband
34744 690 173 56 SC GVM SISTEM 2003 SRL
12479 668 779 67 France Telecom Espana SA
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 2759 1536 114 Types of queries are: POCs, o
10620 2624 412 226 Types of queries are: POCs, o
7303 1725 1154 223 Telecom Argentina S.A.
8151 1245 2706 394 Uninet S.A. de C.V.
18881 944 780 19 Global Village Telecom
6503 927 435 70 Axtel, S.A.B. de C.V.
27947 807 89 101 Telconet S.A
3816 710 307 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 1189 80 4 MOBITEL
24863 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 444 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
37054 190 11 5 Data Telecom Service
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 2759 1536 114 Types of queries are: POCs, o
10620 2624 412 226 Types of queries are: POCs, o
17974 2510 838 90 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7029 2082 1265 211 Windstream Communications Inc
18566 2063 381 182 Covad Communications Co.
1785 1990 677 124 PaeTec Communications, Inc.
22773 1978 2929 125 Cox Communications Inc.
7545 1976 320 107 TPG Internet Pty Ltd
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 2759 2645 Types of queries are: POCs, o
17974 2510 2420 PT Telekomunikasi Indonesia
10620 2624 2398 Types of queries are: POCs, o
18566 2063 1881 Covad Communications Co.
7029 2082 1871 Windstream Communications Inc
7545 1976 1869 TPG Internet Pty Ltd
1785 1990 1866 PaeTec Communications, Inc.
22773 1978 1853 Cox Communications Inc.
8402 1770 1754 Corbina telecom
4755 1709 1519 TATA Communications formerly
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
128.0.52.0/24 60906 NETOPIA SRL
128.0.53.0/24 60993 Totalsoft 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
64.18.128.0/19 23456 32-bit ASN transition
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.
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 /9:13 /10:31 /11:88 /12:250
/13:483 /14:889 /15:1579 /16:12646 /17:6650 /18:11090
/19:22152 /20:32001 /21:34089 /22:46904 /23:41910 /24:237028
/25:9 /26:11 /27:12 /28:134 /29:207 /30:110
/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 1569 2082 Windstream Communications Inc
8402 1469 1770 Corbina telecom
22773 1286 1978 Cox Communications Inc.
30036 1199 1329 Mediacom Communications Corp
11492 1192 1231 CABLE ONE, INC.
36998 1183 1189 MOBITEL
1785 1062 1990 PaeTec Communications, Inc.
6983 1007 1131 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:758 2:790 3:3 4:12 5:884 6:8
8:548 12:1906 13:3 14:798 15:11 16:3
17:9 20:17 23:272 24:1764 27:1465 31:1295
32:38 33:2 34:5 36:28 37:1870 38:870
39:2 40:172 41:2815 42:187 44:5 46:1896
47:2 49:586 50:700 52:12 54:35 55:7
57:29 58:1075 59:567 60:308 61:1381 62:1114
63:2022 64:4305 65:2174 66:4359 67:2058 68:1130
69:3268 70:880 71:533 72:1920 74:2561 75:415
76:307 77:1080 78:1043 79:590 80:1263 81:992
82:630 83:567 84:533 85:1162 86:461 87:977
88:537 89:1749 90:153 91:5459 92:591 93:1696
94:1837 95:1536 96:513 97:344 98:1051 99:38
100:29 101:322 103:2598 105:519 106:92 107:209
108:501 109:1844 110:879 111:1031 112:506 113:783
114:703 115:940 116:894 117:781 118:1069 119:1245
120:399 121:709 122:1750 123:1219 124:1316 125:1349
128:605 129:197 130:310 131:638 132:340 133:149
134:258 135:66 136:220 137:257 138:344 139:193
140:181 141:315 142:531 143:372 144:481 145:93
146:507 147:387 148:671 149:370 150:151 151:571
152:415 153:198 154:42 155:394 156:261 157:350
158:280 159:644 160:338 161:406 162:432 163:199
164:591 165:494 166:295 167:588 168:1027 169:128
170:1024 171:178 172:21 173:1664 174:584 175:482
176:1277 177:2007 178:1866 179:7 180:1437 181:400
182:1188 183:381 184:672 185:450 186:2280 187:1284
188:2131 189:1317 190:6298 192:6570 193:5861 194:4581
195:3422 196:1365 197:968 198:4383 199:5277 200:5906
201:2240 202:8707 203:8758 204:4418 205:2552 206:2751
207:2823 208:4049 209:3620 210:2847 211:1505 212:2243
213:1936 214:915 215:98 216:5222 217:1609 218:603
219:314 220:1256 221:558 222:316 223:445
End of report