Routing Table Report 08:00 +10GMT Thu 30 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 447918
Prefixes after maximum aggregation: 183292
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224597
Total ASes present in the Internet Routing Table: 40384
Prefixes per ASN: 11.09
Origin-only ASes present in the Internet Routing Table: 34678
Origin ASes announcing only one prefix: 16169
Transit ASes present in the Internet Routing Table: 5698
Transit-only ASes present in the Internet Routing Table: 132
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: 806
Unregistered ASNs in the Routing Table: 162
Number of 32-bit ASNs allocated by the RIRs: 4778
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10417
Special use prefixes present in the Routing Table: 31
Prefixes being announced from unallocated address space: 245
Number of addresses announced to Internet: 2639345408
Equivalent to 157 /8s, 81 /16s and 55 /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: 156182
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103491
Total APNIC prefixes after maximum aggregation: 32100
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105499
Unique aggregates announced from the APNIC address blocks: 44843
APNIC Region origin ASes present in the Internet Routing Table: 4802
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: 798
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719925760
Equivalent to 42 /8s, 233 /16s and 50 /24s
Percentage of available APNIC address space announced: 84.1
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: 158053
Total ARIN prefixes after maximum aggregation: 79638
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158663
Unique aggregates announced from the ARIN address blocks: 73279
ARIN Region origin ASes present in the Internet Routing Table: 15651
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5974
ARIN Region transit ASes present in the Internet Routing Table: 1581
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: 1063520768
Equivalent to 63 /8s, 100 /16s and 10 /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: 117068
Total RIPE prefixes after maximum aggregation: 59789
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120654
Unique aggregates announced from the RIPE address blocks: 77977
RIPE Region origin ASes present in the Internet Routing Table: 17194
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8175
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: 656690688
Equivalent to 39 /8s, 36 /16s and 78 /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: 47177
Total LACNIC prefixes after maximum aggregation: 9215
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 51293
Unique aggregates announced from the LACNIC address blocks: 24404
LACNIC Region origin ASes present in the Internet Routing Table: 1935
LACNIC Prefixes per ASN: 26.51
LACNIC Region origin ASes announcing only one prefix: 588
LACNIC Region transit ASes present in the Internet Routing Table: 351
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: 130120448
Equivalent to 7 /8s, 193 /16s and 123 /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: 10988
Total AfriNIC prefixes after maximum aggregation: 2509
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 11563
Unique aggregates announced from the AfriNIC address blocks: 3864
AfriNIC Region origin ASes present in the Internet Routing Table: 634
AfriNIC Prefixes per ASN: 18.24
AfriNIC Region origin ASes announcing only one prefix: 190
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: 46516992
Equivalent to 2 /8s, 197 /16s and 203 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2511 839 86 PT Telekomunikasi Indonesia
4766 2145 11551 627 Korea Telecom (KIX)
7545 1979 320 109 TPG Internet Pty Ltd
4755 1707 390 190 TATA Communications formerly
9829 1514 1205 40 National Internet Backbone
9583 1210 91 506 Sify Limited
7552 1140 1080 13 Vietel Corporation
9498 1120 309 73 BHARTI Airtel Ltd.
24560 1076 394 164 Bharti Airtel Ltd., Telemedia
4808 1049 2006 302 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 3017 3692 78 BellSouth.net Inc.
18566 2063 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1981 2929 125 Cox Communications Inc.
7029 1936 1265 211 Windstream Communications Inc
20115 1669 1609 612 Charter Communications
4323 1608 1154 399 tw telecom holdings, inc.
701 1537 11075 843 MCI Communications Services,
30036 1329 297 642 Mediacom Communications Corp
7018 1317 11091 850 AT&T Services, 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 1715 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1204 237 222 BILISIM TELEKOM
20940 857 302 677 Akamai Technologies European
13188 822 98 73 Ukraine
8551 815 370 43 Bezeq International
31148 809 40 24 FreeNet ISP
6830 772 2377 445 UPC Broadband
34744 683 173 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 2775 1535 112 Types of queries are: POCs, o
10620 2632 413 232 Types of queries are: POCs, o
7303 1727 1154 223 Telecom Argentina S.A.
8151 1250 2707 399 Uninet S.A. de C.V.
18881 958 780 19 Global Village Telecom
6503 927 435 67 Axtel, S.A.B. de C.V.
27947 812 89 104 Telconet S.A
3816 714 307 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 1237 80 4 MOBITEL
24863 892 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 437 956 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 195 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 3017 3692 78 BellSouth.net Inc.
28573 2775 1535 112 Types of queries are: POCs, o
10620 2632 413 232 Types of queries are: POCs, o
17974 2511 839 86 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 1981 2929 125 Cox Communications Inc.
7545 1979 320 109 TPG Internet Pty Ltd
7029 1936 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 2775 2663 Types of queries are: POCs, o
17974 2511 2425 PT Telekomunikasi Indonesia
10620 2632 2400 Types of queries are: POCs, o
18566 2063 1881 Covad Communications Co.
7545 1979 1870 TPG Internet Pty Ltd
1785 1990 1867 PaeTec Communications, Inc.
22773 1981 1856 Cox Communications Inc.
7029 1936 1725 Windstream Communications Inc
8402 1715 1699 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 /12:249
/13:480 /14:888 /15:1583 /16:12636 /17:6647 /18:11102
/19:22119 /20:31992 /21:34006 /22:46900 /23:41906 /24:236668
/25:9 /26:11 /27:11 /28:134 /29:201 /30:103
/31:0 /32:126
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications Co.
6389 1733 3017 BellSouth.net Inc.
7029 1468 1936 Windstream Communications Inc
8402 1412 1715 Corbina telecom
22773 1288 1981 Cox Communications Inc.
36998 1231 1237 MOBITEL
30036 1199 1329 Mediacom Communications Corp
11492 1194 1233 CABLE ONE, INC.
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 2:779 3:3 4:12 5:754 6:9
8:550 12:1924 13:3 14:801 15:11 16:3
17:9 20:17 23:272 24:1765 27:1467 31:1324
32:38 33:2 34:5 36:28 37:1864 38:871
39:2 40:172 41:2829 42:187 44:6 46:1912
47:2 49:587 50:703 52:12 54:33 55:8
57:29 58:1078 59:557 60:308 61:1383 62:1125
63:2031 64:4343 65:2174 66:4365 67:2066 68:1121
69:3260 70:880 71:510 72:1918 74:2557 75:409
76:306 77:1081 78:1023 79:585 80:1265 81:1000
82:633 83:570 84:532 85:1158 86:455 87:983
88:537 89:1730 90:145 91:5479 92:589 93:1697
94:1832 95:1493 96:514 97:344 98:1037 99:38
100:29 101:329 103:2611 105:519 106:86 107:209
108:501 109:1820 110:883 111:1031 112:530 113:785
114:699 115:937 116:901 117:785 118:1072 119:1258
120:397 121:712 122:1759 123:1221 124:1317 125:1350
128:606 129:199 130:311 131:627 132:337 133:148
134:257 135:66 136:222 137:256 138:346 139:193
140:178 141:313 142:524 143:364 144:493 145:93
146:490 147:382 148:669 149:366 150:151 151:566
152:412 153:197 154:39 155:395 156:261 157:350
158:278 159:643 160:334 161:407 162:426 163:201
164:595 165:492 166:281 167:593 168:1030 169:128
170:1026 171:181 172:22 173:1654 174:616 175:469
176:1086 177:1970 178:1849 179:14 180:1433 181:433
182:1192 183:384 184:670 185:469 186:2262 187:1285
188:2134 189:1319 190:6283 192:6581 193:5863 194:4597
195:3425 196:1366 197:964 198:4399 199:5255 200:5894
201:2252 202:8693 203:8778 204:4432 205:2538 206:2716
207:2813 208:4038 209:3632 210:2882 211:1502 212:2226
213:1928 214:910 215:98 216:5214 217:1600 218:604
219:315 220:1255 221:558 222:316 223:442
End of report