Routing Table Report 08:00 +10GMT Wed 15 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 447695
Prefixes after maximum aggregation: 183190
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224034
Total ASes present in the Internet Routing Table: 40303
Prefixes per ASN: 11.11
Origin-only ASes present in the Internet Routing Table: 34605
Origin ASes announcing only one prefix: 16139
Transit ASes present in the Internet Routing Table: 5690
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: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 810
Unregistered ASNs in the Routing Table: 158
Number of 32-bit ASNs allocated by the RIRs: 4764
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10305
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 245
Number of addresses announced to Internet: 2635633664
Equivalent to 157 /8s, 24 /16s and 148 /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: 94.5
Total number of prefixes smaller than registry allocations: 156344
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103248
Total APNIC prefixes after maximum aggregation: 32056
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105195
Unique aggregates announced from the APNIC address blocks: 44770
APNIC Region origin ASes present in the Internet Routing Table: 4792
APNIC Prefixes per ASN: 21.95
APNIC Region origin ASes announcing only one prefix: 1245
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: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 719935232
Equivalent to 42 /8s, 233 /16s and 87 /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: 157980
Total ARIN prefixes after maximum aggregation: 79783
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158646
Unique aggregates announced from the ARIN address blocks: 73211
ARIN Region origin ASes present in the Internet Routing Table: 15631
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5968
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: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1061384704
Equivalent to 63 /8s, 67 /16s and 114 /24s
Percentage of available ARIN address space announced: 56.1
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: 117499
Total RIPE prefixes after maximum aggregation: 59667
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 121062
Unique aggregates announced from the RIPE address blocks: 77837
RIPE Region origin ASes present in the Internet Routing Table: 17161
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2758
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: 656381440
Equivalent to 39 /8s, 31 /16s and 150 /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: 47061
Total LACNIC prefixes after maximum aggregation: 9144
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 51103
Unique aggregates announced from the LACNIC address blocks: 24113
LACNIC Region origin ASes present in the Internet Routing Table: 1923
LACNIC Prefixes per ASN: 26.57
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 349
Average LACNIC Region AS path length visible: 4.2
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: 128893440
Equivalent to 7 /8s, 174 /16s and 194 /24s
Percentage of available LACNIC address space announced: 76.8
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: 10882
Total AfriNIC prefixes after maximum aggregation: 2500
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11443
Unique aggregates announced from the AfriNIC address blocks: 3873
AfriNIC Region origin ASes present in the Internet Routing Table: 626
AfriNIC Prefixes per ASN: 18.28
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46407168
Equivalent to 2 /8s, 196 /16s and 30 /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 2507 839 90 PT Telekomunikasi Indonesia
4766 2143 11551 625 Korea Telecom (KIX)
7545 1976 320 109 TPG Internet Pty Ltd
4755 1700 390 190 TATA Communications formerly
9829 1506 1205 40 National Internet Backbone
9583 1216 91 504 Sify Limited
9498 1103 309 71 BHARTI Airtel Ltd.
24560 1069 393 166 Bharti Airtel Ltd., Telemedia
7552 1063 1063 12 Vietel Corporation
4808 1029 2006 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 3021 3693 82 BellSouth.net Inc.
7029 2089 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1973 2929 125 Cox Communications Inc.
20115 1666 1607 615 Charter Communications
4323 1609 1155 399 tw telecom holdings, inc.
30036 1326 295 648 Mediacom Communications Corp
7018 1319 10853 860 AT&T Services, Inc.
11492 1245 228 320 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 1728 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1193 237 221 BILISIM TELEKOM
13188 835 98 68 Ukraine
20940 821 286 651 Akamai Technologies European
8551 817 370 43 Bezeq International
31148 789 39 20 FreeNet ISP
6830 771 2376 444 UPC Broadband
12479 683 782 67 France Telecom Espana SA
34744 676 173 56 SC GVM SISTEM 2003 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 2725 1524 110 Types of queries are: POCs, o
10620 2630 412 223 Types of queries are: POCs, o
7303 1724 1154 222 Telecom Argentina S.A.
8151 1223 2699 392 Uninet S.A. de C.V.
6503 969 435 70 Axtel, S.A.B. de C.V.
18881 931 780 19 Global Village Telecom
27947 806 89 99 Telconet S.A
3816 709 307 87 Types of queries are: POCs, o
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 612 103 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 1157 80 4 MOBITEL
24863 888 274 32 LINKdotNET AS number
6713 535 617 25 Itissalat Al-MAGHRIB
8452 459 956 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 210 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 3021 3693 82 BellSouth.net Inc.
28573 2725 1524 110 Types of queries are: POCs, o
10620 2630 412 223 Types of queries are: POCs, o
17974 2507 839 90 PT Telekomunikasi Indonesia
4766 2143 11551 625 Korea Telecom (KIX)
7029 2089 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
7545 1976 320 109 TPG Internet Pty Ltd
22773 1973 2929 125 Cox 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 2725 2615 Types of queries are: POCs, o
17974 2507 2417 PT Telekomunikasi Indonesia
10620 2630 2407 Types of queries are: POCs, o
18566 2064 1882 Covad Communications Co.
7029 2089 1878 Windstream Communications Inc
1785 1990 1867 PaeTec Communications, Inc.
7545 1976 1867 TPG Internet Pty Ltd
22773 1973 1848 Cox Communications Inc.
8402 1728 1712 Corbina telecom
4766 2143 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
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.
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
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
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 /10:30 /11:88 /12:251
/13:488 /14:880 /15:1563 /16:12631 /17:6637 /18:11104
/19:22077 /20:31909 /21:33977 /22:46841 /23:41746 /24:236835
/25:9 /26:11 /27:12 /28:137 /29:199 /30:110
/31:0 /32:130
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications Co.
6389 1733 3021 BellSouth.net Inc.
7029 1578 2089 Windstream Communications Inc
8402 1436 1728 Corbina telecom
22773 1282 1973 Cox Communications Inc.
11492 1204 1245 CABLE ONE, INC.
30036 1197 1326 Mediacom Communications Corp
36998 1151 1157 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)
----------------------------------------------
1:768 2:760 3:3 4:12 5:877 6:7
8:553 12:1925 13:3 14:800 15:11 16:3
17:9 20:17 23:273 24:1761 27:1488 31:1289
32:38 33:2 34:5 36:28 37:1851 38:869
39:2 40:173 41:2820 42:187 44:6 46:1889
47:2 49:623 50:683 52:12 54:35 55:9
57:29 58:1061 59:565 60:305 61:1375 62:1096
63:2025 64:4316 65:2179 66:4357 67:2041 68:1128
69:3264 70:883 71:533 72:1925 74:2560 75:414
76:307 77:1075 78:1040 79:587 80:1273 81:993
82:627 83:557 84:526 85:1152 86:462 87:981
88:539 89:1792 90:161 91:5471 92:586 93:1701
94:1856 95:1494 96:528 97:344 98:1048 99:38
100:28 101:328 103:2571 105:503 106:144 107:209
108:502 109:1848 110:873 111:1052 112:512 113:774
114:705 115:899 116:888 117:773 118:1056 119:1245
120:400 121:712 122:1742 123:1205 124:1318 125:1341
128:594 129:197 130:310 131:645 132:333 133:148
134:252 135:66 136:220 137:254 138:345 139:194
140:180 141:313 142:530 143:400 144:485 145:92
146:507 147:390 148:677 149:372 150:150 151:566
152:417 153:197 154:42 155:395 156:260 157:351
158:276 159:643 160:358 161:401 162:417 163:222
164:591 165:445 166:297 167:585 168:1030 169:132
170:1027 171:178 172:22 173:1667 174:589 175:468
176:1268 177:1983 178:1853 179:5 180:1420 181:373
182:1188 183:384 184:674 185:440 186:2287 187:1296
188:2131 189:1321 190:6299 192:6588 193:5856 194:4676
195:3464 196:1341 197:963 198:4389 199:5242 200:5909
201:2241 202:8673 203:8750 204:4440 205:2546 206:2763
207:2823 208:4065 209:3612 210:2822 211:1549 212:2149
213:1949 214:858 215:93 216:5230 217:1583 218:604
219:313 220:1275 221:554 222:312 223:436
End of report