Routing Table Report 08:00 +10GMT Sat 01 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 448864
Prefixes after maximum aggregation: 183348
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224623
Total ASes present in the Internet Routing Table: 40390
Prefixes per ASN: 11.11
Origin-only ASes present in the Internet Routing Table: 34672
Origin ASes announcing only one prefix: 16169
Transit ASes present in the Internet Routing Table: 5710
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: 58
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 808
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 4781
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10421
Special use prefixes present in the Routing Table: 32
Prefixes being announced from unallocated address space: 244
Number of addresses announced to Internet: 2641153792
Equivalent to 157 /8s, 108 /16s and 207 /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: 94.6
Total number of prefixes smaller than registry allocations: 156258
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104081
Total APNIC prefixes after maximum aggregation: 32129
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 106123
Unique aggregates announced from the APNIC address blocks: 44982
APNIC Region origin ASes present in the Internet Routing Table: 4801
APNIC Prefixes per ASN: 22.10
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 797
Average APNIC Region AS path length visible: 3.9
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: 721184000
Equivalent to 42 /8s, 252 /16s and 101 /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: 158189
Total ARIN prefixes after maximum aggregation: 79674
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 158806
Unique aggregates announced from the ARIN address blocks: 73351
ARIN Region origin ASes present in the Internet Routing Table: 15652
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5979
ARIN Region transit ASes present in the Internet Routing Table: 1587
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: 1064083200
Equivalent to 63 /8s, 108 /16s and 159 /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: 117095
Total RIPE prefixes after maximum aggregation: 59798
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120625
Unique aggregates announced from the RIPE address blocks: 77806
RIPE Region origin ASes present in the Internet Routing Table: 17199
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8180
RIPE Region transit ASes present in the Internet Routing Table: 2773
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 58
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656463872
Equivalent to 39 /8s, 32 /16s and 216 /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: 47265
Total LACNIC prefixes after maximum aggregation: 9181
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 51387
Unique aggregates announced from the LACNIC address blocks: 24385
LACNIC Region origin ASes present in the Internet Routing Table: 1937
LACNIC Prefixes per ASN: 26.53
LACNIC Region origin ASes announcing only one prefix: 582
LACNIC Region transit ASes present in the Internet Routing Table: 351
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 130231296
Equivalent to 7 /8s, 195 /16s and 44 /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: 11079
Total AfriNIC prefixes after maximum aggregation: 2526
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 11678
Unique aggregates announced from the AfriNIC address blocks: 3870
AfriNIC Region origin ASes present in the Internet Routing Table: 632
AfriNIC Prefixes per ASN: 18.48
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 3.5
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: 46622976
Equivalent to 2 /8s, 199 /16s and 105 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2518 839 86 PT Telekomunikasi Indonesia
4766 2144 11551 627 Korea Telecom (KIX)
7545 1978 320 108 TPG Internet Pty Ltd
4755 1712 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 1124 309 71 BHARTI Airtel Ltd.
24560 1076 394 164 Bharti Airtel Ltd., Telemedia
4808 1052 2015 304 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 77 BellSouth.net Inc.
18566 2062 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1983 2929 125 Cox Communications Inc.
7029 1936 1265 211 Windstream Communications Inc
20115 1670 1611 610 Charter Communications
4323 1619 1155 404 tw telecom holdings, inc.
701 1531 11075 839 MCI Communications Services,
30036 1333 298 644 Mediacom Communications Corp
7018 1317 11091 849 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 1527 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1208 237 217 BILISIM TELEKOM
20940 872 309 684 Akamai Technologies European
13188 823 98 73 Ukraine
8551 819 370 43 Bezeq International
31148 794 39 23 FreeNet ISP
6830 772 2377 445 UPC Broadband
34744 684 173 59 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 2793 1535 112 Types of queries are: POCs, o
10620 2635 414 232 Types of queries are: POCs, o
7303 1724 1154 217 Telecom Argentina S.A.
8151 1256 2708 402 Uninet S.A. de C.V.
18881 958 780 19 Global Village Telecom
6503 924 435 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 345 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 77 BellSouth.net Inc.
28573 2793 1535 112 Types of queries are: POCs, o
10620 2635 414 232 Types of queries are: POCs, o
17974 2518 839 86 PT Telekomunikasi Indonesia
4766 2144 11551 627 Korea Telecom (KIX)
18566 2062 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1983 2929 125 Cox Communications Inc.
7545 1978 320 108 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 2793 2681 Types of queries are: POCs, o
17974 2518 2432 PT Telekomunikasi Indonesia
10620 2635 2403 Types of queries are: POCs, o
18566 2062 1880 Covad Communications Co.
7545 1978 1870 TPG Internet Pty Ltd
1785 1990 1867 PaeTec Communications, Inc.
22773 1983 1858 Cox Communications Inc.
7029 1936 1725 Windstream Communications Inc
4755 1712 1522 TATA Communications formerly
4766 2144 1517 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
128.0.55.0/24 48571 SC efectRO SRL
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 /9:11 /10:31 /11:88 /12:250
/13:481 /14:894 /15:1590 /16:12649 /17:6674 /18:11158
/19:22153 /20:31991 /21:34100 /22:46957 /23:42171 /24:237041
/25:9 /26:11 /27:12 /28:133 /29:205 /30:107
/31:0 /32:131
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2013 2062 Covad Communications Co.
6389 1732 3017 BellSouth.net Inc.
7029 1468 1936 Windstream Communications Inc
22773 1290 1983 Cox Communications Inc.
36998 1231 1237 MOBITEL
8402 1230 1527 Corbina telecom
30036 1202 1333 Mediacom Communications Corp
11492 1180 1219 CABLE ONE, INC.
1785 1062 1990 PaeTec Communications, Inc.
6983 1009 1135 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:773 2:667 3:3 4:12 5:753 6:9
8:551 12:1924 13:3 14:802 15:11 16:3
17:9 20:17 23:272 24:1766 27:1474 31:1320
32:38 33:2 34:5 36:28 37:1870 38:870
39:2 40:172 41:2928 42:191 44:6 46:1897
47:2 49:634 50:707 52:12 54:33 55:9
57:29 58:1098 59:564 60:308 61:1389 62:1116
63:2031 64:4350 65:2173 66:4371 67:2059 68:1123
69:3267 70:882 71:509 72:1923 74:2562 75:412
76:303 77:1083 78:1001 79:616 80:1266 81:1001
82:630 83:571 84:534 85:1161 86:462 87:986
88:534 89:1742 90:147 91:5488 92:592 93:1667
94:1839 95:1490 96:514 97:344 98:1037 99:38
100:30 101:325 103:2639 105:519 106:149 107:209
108:501 109:1821 110:890 111:1034 112:538 113:785
114:685 115:938 116:906 117:782 118:1079 119:1242
120:397 121:715 122:1760 123:1210 124:1324 125:1356
128:601 129:198 130:312 131:647 132:337 133:148
134:256 135:67 136:221 137:259 138:347 139:193
140:181 141:313 142:523 143:366 144:493 145:93
146:497 147:382 148:669 149:367 150:151 151:564
152:415 153:193 154:40 155:420 156:264 157:350
158:278 159:645 160:337 161:405 162:417 163:200
164:596 165:441 166:287 167:592 168:1021 169:128
170:1023 171:181 172:21 173:1648 174:604 175:458
176:1099 177:1958 178:1860 179:14 180:1443 181:436
182:1201 183:387 184:670 185:490 186:2260 187:1294
188:2137 189:1306 190:6328 192:6594 193:5866 194:4594
195:3424 196:1362 197:970 198:4411 199:5280 200:5913
201:2263 202:8685 203:8775 204:4432 205:2543 206:2718
207:2816 208:4035 209:3633 210:2890 211:1500 212:2232
213:1919 214:916 215:98 216:5218 217:1600 218:605
219:316 220:1255 221:558 222:319 223:448
End of report