Routing Table Report 08:00 +10GMT Thu 16 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 447799
Prefixes after maximum aggregation: 183337
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 224242
Total ASes present in the Internet Routing Table: 40312
Prefixes per ASN: 11.11
Origin-only ASes present in the Internet Routing Table: 34618
Origin ASes announcing only one prefix: 16136
Transit ASes present in the Internet Routing Table: 5686
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: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 811
Unregistered ASNs in the Routing Table: 158
Number of 32-bit ASNs allocated by the RIRs: 4767
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10287
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 245
Number of addresses announced to Internet: 2635964416
Equivalent to 157 /8s, 29 /16s and 160 /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: 156090
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103481
Total APNIC prefixes after maximum aggregation: 32079
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 105459
Unique aggregates announced from the APNIC address blocks: 44835
APNIC Region origin ASes present in the Internet Routing Table: 4794
APNIC Prefixes per ASN: 22.00
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 796
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: 719919104
Equivalent to 42 /8s, 233 /16s and 24 /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: 158122
Total ARIN prefixes after maximum aggregation: 79823
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158749
Unique aggregates announced from the ARIN address blocks: 73228
ARIN Region origin ASes present in the Internet Routing Table: 15632
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5972
ARIN Region transit ASes present in the Internet Routing Table: 1579
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: 1061609472
Equivalent to 63 /8s, 70 /16s and 224 /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: 117390
Total RIPE prefixes after maximum aggregation: 59735
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120965
Unique aggregates announced from the RIPE address blocks: 77909
RIPE Region origin ASes present in the Internet Routing Table: 17166
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2761
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: 656516608
Equivalent to 39 /8s, 33 /16s and 166 /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: 47019
Total LACNIC prefixes after maximum aggregation: 9159
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51055
Unique aggregates announced from the LACNIC address blocks: 24176
LACNIC Region origin ASes present in the Internet Routing Table: 1925
LACNIC Prefixes per ASN: 26.52
LACNIC Region origin ASes announcing only one prefix: 582
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: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 128892416
Equivalent to 7 /8s, 174 /16s and 190 /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: 10771
Total AfriNIC prefixes after maximum aggregation: 2500
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11325
Unique aggregates announced from the AfriNIC address blocks: 3865
AfriNIC Region origin ASes present in the Internet Routing Table: 626
AfriNIC Prefixes per ASN: 18.09
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 3.5
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: 46395392
Equivalent to 2 /8s, 195 /16s and 240 /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 2513 839 90 PT Telekomunikasi Indonesia
4766 2143 11551 625 Korea Telecom (KIX)
7545 1976 320 109 TPG Internet Pty Ltd
4755 1701 390 191 TATA Communications formerly
9829 1509 1205 40 National Internet Backbone
9583 1216 91 504 Sify Limited
7552 1161 1064 12 Vietel Corporation
9498 1105 309 71 BHARTI Airtel Ltd.
24560 1069 393 166 Bharti Airtel Ltd., Telemedia
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 2090 1265 211 Windstream Communications Inc
18566 2064 381 182 Covad Communications Co.
1785 1990 677 123 PaeTec Communications, Inc.
22773 1972 2929 125 Cox Communications Inc.
20115 1666 1608 616 Charter Communications
4323 1615 1155 401 tw telecom holdings, inc.
30036 1324 295 647 Mediacom Communications Corp
7018 1320 10853 860 AT&T Services, Inc.
11492 1231 221 345 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 1724 544 16 Corbina telecom
2118 1349 97 13 EUnet/RELCOM Autonomous Syste
34984 1194 237 222 BILISIM TELEKOM
20940 821 286 651 Akamai Technologies European
13188 819 97 84 Ukraine
8551 816 370 43 Bezeq International
31148 789 39 20 FreeNet ISP
6830 771 2376 444 UPC Broadband
12479 685 782 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 2734 1526 112 Types of queries are: POCs, o
10620 2630 412 223 Types of queries are: POCs, o
7303 1726 1154 223 Telecom Argentina S.A.
8151 1228 2701 391 Uninet S.A. de C.V.
6503 969 435 70 Axtel, S.A.B. de C.V.
18881 934 780 19 Global Village Telecom
27947 804 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 1021 80 4 MOBITEL
24863 888 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 456 956 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 202 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 2734 1526 112 Types of queries are: POCs, o
10620 2630 412 223 Types of queries are: POCs, o
17974 2513 839 90 PT Telekomunikasi Indonesia
4766 2143 11551 625 Korea Telecom (KIX)
7029 2090 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 1972 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 2734 2622 Types of queries are: POCs, o
17974 2513 2423 PT Telekomunikasi Indonesia
10620 2630 2407 Types of queries are: POCs, o
18566 2064 1882 Covad Communications Co.
7029 2090 1879 Windstream Communications Inc
1785 1990 1867 PaeTec Communications, Inc.
7545 1976 1867 TPG Internet Pty Ltd
22773 1972 1847 Cox Communications Inc.
8402 1724 1708 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 1239 Sprint
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 /15:1565 /16:12631 /17:6634 /18:11102
/19:22084 /20:32004 /21:33995 /22:46833 /23:41719 /24:236849
/25:9 /26:11 /27:12 /28:136 /29:203 /30:111
/31:0 /32:134
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 2090 Windstream Communications Inc
8402 1427 1724 Corbina telecom
22773 1282 1972 Cox Communications Inc.
30036 1195 1324 Mediacom Communications Corp
11492 1191 1231 CABLE ONE, INC.
1785 1062 1990 PaeTec Communications, Inc.
36998 1015 1021 MOBITEL
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)
----------------------------------------------
1:767 2:756 3:3 4:12 5:876 6:7
8:553 12:1930 13:3 14:799 15:11 16:3
17:9 20:17 23:274 24:1761 27:1514 31:1299
32:38 33:2 34:5 36:28 37:1834 38:869
39:2 40:172 41:2826 42:187 44:6 46:1887
47:2 49:634 50:685 52:12 54:35 55:7
57:29 58:1060 59:565 60:308 61:1379 62:1103
63:2023 64:4323 65:2192 66:4352 67:2041 68:1125
69:3268 70:880 71:533 72:1921 74:2555 75:415
76:307 77:1077 78:1027 79:590 80:1269 81:995
82:629 83:556 84:528 85:1149 86:461 87:979
88:535 89:1779 90:162 91:5478 92:590 93:1711
94:1846 95:1494 96:528 97:344 98:1047 99:38
100:28 101:328 103:2578 105:463 106:146 107:209
108:502 109:1845 110:871 111:1054 112:511 113:777
114:705 115:932 116:889 117:777 118:1049 119:1247
120:397 121:712 122:1750 123:1215 124:1318 125:1342
128:599 129:198 130:311 131:645 132:334 133:148
134:252 135:66 136:220 137:261 138:344 139:194
140:180 141:314 142:531 143:386 144:484 145:92
146:509 147:395 148:681 149:371 150:150 151:567
152:417 153:198 154:42 155:393 156:260 157:351
158:276 159:643 160:356 161:403 162:418 163:222
164:591 165:445 166:297 167:585 168:1030 169:132
170:1029 171:178 172:22 173:1666 174:592 175:471
176:1280 177:1990 178:1876 179:5 180:1426 181:381
182:1188 183:386 184:675 185:437 186:2264 187:1291
188:2131 189:1319 190:6270 192:6594 193:5866 194:4676
195:3420 196:1334 197:866 198:4396 199:5245 200:5911
201:2227 202:8684 203:8754 204:4440 205:2537 206:2770
207:2826 208:4067 209:3614 210:2821 211:1552 212:2148
213:1947 214:910 215:97 216:5230 217:1584 218:604
219:314 220:1275 221:554 222:317 223:440
End of report