Routing Table Report 08:00 +10GMT Sat 25 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 448199
Prefixes after maximum aggregation: 183458
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224529
Total ASes present in the Internet Routing Table: 40358
Prefixes per ASN: 11.11
Origin-only ASes present in the Internet Routing Table: 34672
Origin ASes announcing only one prefix: 16149
Transit ASes present in the Internet Routing Table: 5678
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: 801
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 4775
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10414
Special use prefixes present in the Routing Table: 32
Prefixes being announced from unallocated address space: 248
Number of addresses announced to Internet: 2640441344
Equivalent to 157 /8s, 97 /16s and 240 /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: 156486
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103436
Total APNIC prefixes after maximum aggregation: 32061
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 105451
Unique aggregates announced from the APNIC address blocks: 44765
APNIC Region origin ASes present in the Internet Routing Table: 4795
APNIC Prefixes per ASN: 21.99
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 788
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: 721379072
Equivalent to 42 /8s, 255 /16s and 95 /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: 158003
Total ARIN prefixes after maximum aggregation: 79864
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158625
Unique aggregates announced from the ARIN address blocks: 73212
ARIN Region origin ASes present in the Internet Routing Table: 15647
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5975
ARIN Region transit ASes present in the Internet Routing Table: 1580
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: 1063443200
Equivalent to 63 /8s, 98 /16s and 219 /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: 117368
Total RIPE prefixes after maximum aggregation: 59818
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120941
Unique aggregates announced from the RIPE address blocks: 78081
RIPE Region origin ASes present in the Internet Routing Table: 17189
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8169
RIPE Region transit ASes present in the Internet Routing Table: 2772
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: 656563712
Equivalent to 39 /8s, 34 /16s and 94 /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: 47247
Total LACNIC prefixes after maximum aggregation: 9167
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 51356
Unique aggregates announced from the LACNIC address blocks: 24342
LACNIC Region origin ASes present in the Internet Routing Table: 1925
LACNIC Prefixes per ASN: 26.68
LACNIC Region origin ASes announcing only one prefix: 576
LACNIC Region transit ASes present in the Internet Routing Table: 343
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: 129728256
Equivalent to 7 /8s, 187 /16s and 127 /24s
Percentage of available LACNIC address space announced: 77.3
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: 10995
Total AfriNIC prefixes after maximum aggregation: 2508
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 11577
Unique aggregates announced from the AfriNIC address blocks: 3898
AfriNIC Region origin ASes present in the Internet Routing Table: 633
AfriNIC Prefixes per ASN: 18.29
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 47547904
Equivalent to 2 /8s, 213 /16s and 134 /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 2513 838 90 PT Telekomunikasi Indonesia
4766 2133 11551 625 Korea Telecom (KIX)
7545 1979 320 109 TPG Internet Pty Ltd
4755 1707 390 190 TATA Communications formerly
9829 1506 1205 40 National Internet Backbone
9583 1217 91 505 Sify Limited
7552 1156 1064 12 Vietel Corporation
9498 1113 309 72 BHARTI Airtel Ltd.
24560 1069 393 166 Bharti Airtel Ltd., Telemedia
4808 1047 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 3018 3693 79 BellSouth.net Inc.
18566 2063 381 182 Covad Communications Co.
1785 1991 677 124 PaeTec Communications, Inc.
22773 1979 2929 125 Cox Communications Inc.
7029 1937 1265 211 Windstream Communications Inc
20115 1670 1609 611 Charter Communications
4323 1608 1154 399 tw telecom holdings, inc.
30036 1326 296 647 Mediacom Communications Corp
7018 1319 11107 851 AT&T Services, Inc.
11492 1234 221 342 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 1725 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1199 237 224 BILISIM TELEKOM
20940 847 296 668 Akamai Technologies European
13188 822 98 73 Ukraine
8551 818 370 43 Bezeq International
31148 795 40 24 FreeNet ISP
6830 772 2377 445 UPC Broadband
34744 688 173 56 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 2766 1537 114 Types of queries are: POCs, o
10620 2633 413 231 Types of queries are: POCs, o
7303 1727 1154 223 Telecom Argentina S.A.
8151 1244 2706 394 Uninet S.A. de C.V.
18881 951 780 19 Global Village Telecom
6503 931 435 70 Axtel, S.A.B. de C.V.
27947 809 89 106 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 1237 80 4 MOBITEL
24863 886 274 33 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
36992 189 527 22 Etisalat MISR
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 2766 1537 114 Types of queries are: POCs, o
10620 2633 413 231 Types of queries are: POCs, o
17974 2513 838 90 PT Telekomunikasi Indonesia
4766 2133 11551 625 Korea Telecom (KIX)
18566 2063 381 182 Covad Communications Co.
1785 1991 677 124 PaeTec Communications, Inc.
7545 1979 320 109 TPG Internet Pty Ltd
22773 1979 2929 125 Cox Communications Inc.
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 2766 2652 Types of queries are: POCs, o
17974 2513 2423 PT Telekomunikasi Indonesia
10620 2633 2402 Types of queries are: POCs, o
18566 2063 1881 Covad Communications Co.
7545 1979 1870 TPG Internet Pty Ltd
1785 1991 1867 PaeTec Communications, Inc.
22773 1979 1854 Cox Communications Inc.
7029 1937 1726 Windstream Communications Inc
8402 1725 1709 Corbina telecom
4755 1707 1517 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
128.0.54.0/24 60972 Carpatair SA
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 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 /9:13 /10:31 /11:88 /12:250
/13:481 /14:889 /15:1578 /16:12625 /17:6639 /18:11100
/19:22165 /20:31989 /21:34055 /22:46917 /23:41915 /24:236828
/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 1421 1725 Corbina telecom
22773 1287 1979 Cox Communications Inc.
36998 1231 1237 MOBITEL
30036 1196 1326 Mediacom Communications Corp
11492 1194 1234 CABLE ONE, INC.
1785 1063 1991 PaeTec Communications, Inc.
6983 1008 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:762 2:769 3:3 4:12 5:890 6:9
8:548 12:1926 13:3 14:801 15:11 16:3
17:9 20:17 23:272 24:1762 27:1466 31:1307
32:38 33:2 34:5 36:28 37:1863 38:870
39:2 40:172 41:2878 42:187 44:6 46:1902
47:2 49:588 50:700 52:12 54:33 55:7
57:29 58:1072 59:564 60:308 61:1385 62:1121
63:2033 64:4346 65:2175 66:4363 67:2057 68:1129
69:3265 70:878 71:519 72:1920 74:2564 75:408
76:305 77:1078 78:1038 79:591 80:1262 81:991
82:631 83:570 84:533 85:1165 86:461 87:984
88:536 89:1768 90:144 91:5484 92:593 93:1700
94:1838 95:1512 96:514 97:344 98:1038 99:38
100:29 101:328 103:2613 105:519 106:92 107:209
108:500 109:1828 110:877 111:1031 112:508 113:784
114:703 115:940 116:901 117:780 118:1067 119:1230
120:395 121:709 122:1755 123:1221 124:1315 125:1349
128:608 129:198 130:310 131:627 132:329 133:149
134:258 135:66 136:220 137:257 138:344 139:188
140:172 141:312 142:530 143:367 144:480 145:93
146:505 147:382 148:671 149:373 150:150 151:568
152:415 153:199 154:42 155:390 156:261 157:350
158:278 159:645 160:338 161:407 162:423 163:199
164:591 165:489 166:281 167:590 168:1027 169:128
170:1026 171:180 172:21 173:1656 174:582 175:472
176:1089 177:1989 178:1851 179:8 180:1433 181:400
182:1189 183:382 184:674 185:463 186:2271 187:1301
188:2132 189:1316 190:6314 192:6578 193:5861 194:4593
195:3428 196:1361 197:920 198:4388 199:5274 200:5891
201:2249 202:8692 203:8761 204:4433 205:2548 206:2748
207:2834 208:4046 209:3619 210:2872 211:1505 212:2231
213:1934 214:886 215:98 216:5222 217:1610 218:603
219:314 220:1253 221:558 222:316 223:441
End of report