Routing Table Report 08:00 +10GMT Wed 01 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 446617
Prefixes after maximum aggregation: 182965
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 223140
Total ASes present in the Internet Routing Table: 40230
Prefixes per ASN: 11.10
Origin-only ASes present in the Internet Routing Table: 34555
Origin ASes announcing only one prefix: 16116
Transit ASes present in the Internet Routing Table: 5667
Transit-only ASes present in the Internet Routing Table: 129
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 925
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 4746
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10214
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 201
Number of addresses announced to Internet: 2636950016
Equivalent to 157 /8s, 44 /16s and 170 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 155975
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103093
Total APNIC prefixes after maximum aggregation: 31992
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 104980
Unique aggregates announced from the APNIC address blocks: 44612
APNIC Region origin ASes present in the Internet Routing Table: 4791
APNIC Prefixes per ASN: 21.91
APNIC Region origin ASes announcing only one prefix: 1241
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: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719717888
Equivalent to 42 /8s, 230 /16s and 6 /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: 157453
Total ARIN prefixes after maximum aggregation: 79529
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158116
Unique aggregates announced from the ARIN address blocks: 72692
ARIN Region origin ASes present in the Internet Routing Table: 15603
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5958
ARIN Region transit ASes present in the Internet Routing Table: 1565
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1063221504
Equivalent to 63 /8s, 95 /16s and 121 /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: 117241
Total RIPE prefixes after maximum aggregation: 59561
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120796
Unique aggregates announced from the RIPE address blocks: 77387
RIPE Region origin ASes present in the Internet Routing Table: 17145
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8157
RIPE Region transit ASes present in the Internet Routing Table: 2763
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: 657014016
Equivalent to 39 /8s, 41 /16s and 61 /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: 47017
Total LACNIC prefixes after maximum aggregation: 9318
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 51044
Unique aggregates announced from the LACNIC address blocks: 24405
LACNIC Region origin ASes present in the Internet Routing Table: 1903
LACNIC Prefixes per ASN: 26.82
LACNIC Region origin ASes announcing only one prefix: 569
LACNIC Region transit ASes present in the Internet Routing Table: 344
Average LACNIC Region AS path length visible: 4.1
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: 128078080
Equivalent to 7 /8s, 162 /16s and 81 /24s
Percentage of available LACNIC address space announced: 76.3
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: 10871
Total AfriNIC prefixes after maximum aggregation: 2524
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11479
Unique aggregates announced from the AfriNIC address blocks: 3857
AfriNIC Region origin ASes present in the Internet Routing Table: 623
AfriNIC Prefixes per ASN: 18.43
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 46298624
Equivalent to 2 /8s, 194 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 46.0
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 839 90 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1886 320 108 TPG Internet Pty Ltd
4755 1700 390 189 TATA Communications formerly
9829 1509 1205 40 National Internet Backbone
9583 1263 96 526 Sify Limited
7552 1163 1064 12 Vietel Corporation
9498 1096 310 73 BHARTI Airtel Ltd.
24560 1075 385 166 Bharti Airtel Ltd., Telemedia
4808 1030 2002 301 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 3031 3693 84 BellSouth.net Inc.
7029 2091 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1988 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications Inc.
20115 1668 1609 612 Charter Communications
4323 1607 1155 399 tw telecom holdings, inc.
30036 1340 298 657 Mediacom Communications Corp
7018 1330 10838 869 AT&T Services, Inc.
11492 1240 228 330 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 1738 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1161 235 211 BILISIM TELEKOM
12479 840 785 66 France Telecom Espana SA
13188 833 99 64 Ukraine
20940 817 288 652 Akamai Technologies European
8551 815 370 43 Bezeq International
31148 794 41 21 FreeNet ISP
6830 772 2376 444 UPC Broadband
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 2681 1470 104 Types of queries are: POCs, o
10620 2384 413 215 Types of queries are: POCs, o
7303 1688 1156 219 Telecom Argentina S.A.
8151 1224 2696 391 Uninet S.A. de C.V.
6503 1012 435 70 Axtel, S.A.B. de C.V.
18881 909 780 19 Global Village Telecom
27947 783 88 99 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 700 307 87 Types of queries are: POCs, o
7738 698 1370 35 Telecomunicacoes da Bahia S.A
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 1178 80 4 MOBITEL
24863 886 274 34 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 463 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
37054 209 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 3031 3693 84 BellSouth.net Inc.
28573 2681 1470 104 Types of queries are: POCs, o
17974 2513 839 90 PT Telekomunikasi Indonesia
10620 2384 413 215 Types of queries are: POCs, o
4766 2141 11550 626 Korea Telecom (KIX)
7029 2091 1265 212 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1988 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications Inc.
7545 1886 320 108 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 2681 2577 Types of queries are: POCs, o
17974 2513 2423 PT Telekomunikasi Indonesia
10620 2384 2169 Types of queries are: POCs, o
18566 2064 1882 Covad Communications Co.
7029 2091 1879 Windstream Communications Inc
1785 1988 1864 PaeTec Communications, Inc.
22773 1969 1844 Cox Communications Inc.
7545 1886 1778 TPG Internet Pty Ltd
8402 1738 1722 Corbina telecom
4766 2141 1515 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
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.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
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.
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
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.
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 /10:30 /11:88 /12:251
/13:485 /14:885 /15:1569 /16:12639 /17:6663 /18:11118
/19:22078 /20:31965 /21:33885 /22:46720 /23:41579 /24:236027
/25:9 /26:11 /27:12 /28:138 /29:194 /30:108
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1738 3031 BellSouth.net Inc.
7029 1574 2091 Windstream Communications Inc
8402 1447 1738 Corbina telecom
22773 1279 1969 Cox Communications Inc.
30036 1213 1340 Mediacom Communications Corp
11492 1199 1240 CABLE ONE, INC.
36998 1172 1178 MOBITEL
1785 1060 1988 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)
----------------------------------------------
1:742 2:763 3:3 4:12 5:872 6:5
8:547 12:1916 13:3 14:752 15:11 16:3
17:9 20:18 23:270 24:1758 27:1494 31:1278
32:38 33:2 34:5 36:44 37:1809 38:863
39:2 40:171 41:2864 42:185 44:6 46:1866
47:2 49:629 50:675 52:12 54:32 55:8
57:29 58:1058 59:561 60:302 61:1373 62:1084
63:2034 64:4317 65:2168 66:4306 67:2060 68:1102
69:3238 70:872 71:532 72:1952 74:2550 75:416
76:289 77:1081 78:1046 79:579 80:1263 81:992
82:631 83:571 84:524 85:1161 86:462 87:979
88:538 89:1802 90:280 91:5513 92:628 93:1721
94:1851 95:1526 96:523 97:342 98:1045 99:38
100:28 101:318 103:2506 105:484 106:144 107:209
108:500 109:1841 110:863 111:1047 112:506 113:770
114:693 115:925 116:876 117:783 118:1062 119:1220
120:395 121:708 122:1718 123:1233 124:1307 125:1336
128:594 129:196 130:312 131:645 132:332 133:148
134:244 135:66 136:221 137:244 138:346 139:193
140:180 141:310 142:531 143:382 144:485 145:92
146:503 147:387 148:678 149:370 150:150 151:565
152:418 153:195 154:42 155:396 156:262 157:346
158:275 159:640 160:338 161:402 162:396 163:200
164:588 165:444 166:304 167:581 168:1023 169:132
170:1025 171:177 172:4 173:1601 174:594 175:459
176:1259 177:1933 178:1836 179:5 180:1407 181:414
182:1138 183:380 184:668 185:392 186:2306 187:1296
188:2046 189:1355 190:6138 192:6500 193:5841 194:4671
195:3456 196:1348 197:962 198:4351 199:5245 200:5881
201:2402 202:8724 203:8726 204:4440 205:2545 206:2747
207:2796 208:4057 209:3593 210:2830 211:1547 212:2088
213:1914 214:910 215:98 216:5220 217:1569 218:606
219:314 220:1273 221:554 222:315 223:435
End of report