* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 11 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 435780
Prefixes after maximum aggregation: 179981
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216868
Total ASes present in the Internet Routing Table: 39725
Prefixes per ASN: 10.97
Origin-only ASes present in the Internet Routing Table: 34151
Origin ASes announcing only one prefix: 15966
Transit ASes present in the Internet Routing Table: 5574
Transit-only ASes present in the Internet Routing Table: 123
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 23
Max AS path prepend of ASN ( 50571) 18
Prefixes from unregistered ASNs in the Routing Table: 965
Unregistered ASNs in the Routing Table: 170
Number of 32-bit ASNs allocated by the RIRs: 3745
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9157
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 2636196112
Equivalent to 157 /8s, 33 /16s and 41 /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: 94.3
Total number of prefixes smaller than registry allocations: 152403
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100647
Total APNIC prefixes after maximum aggregation: 31699
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 102323
Unique aggregates announced from the APNIC address blocks: 43943
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.48
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 771
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: 0
Number of APNIC addresses announced to Internet: 717443584
Equivalent to 42 /8s, 195 /16s and 82 /24s
Percentage of available APNIC address space announced: 83.8
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: 154007
Total ARIN prefixes after maximum aggregation: 78247
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154713
Unique aggregates announced from the ARIN address blocks: 70695
ARIN Region origin ASes present in the Internet Routing Table: 15386
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5840
ARIN Region transit ASes present in the Internet Routing Table: 1540
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1075832064
Equivalent to 64 /8s, 31 /16s and 229 /24s
Percentage of available ARIN address space announced: 56.9
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: 114196
Total RIPE prefixes after maximum aggregation: 58567
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117324
Unique aggregates announced from the RIPE address blocks: 74795
RIPE Region origin ASes present in the Internet Routing Table: 17034
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2731
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653376016
Equivalent to 38 /8s, 241 /16s and 186 /24s
Percentage of available RIPE address space announced: 95.0
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: 46347
Total LACNIC prefixes after maximum aggregation: 9008
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 49961
Unique aggregates announced from the LACNIC address blocks: 23544
LACNIC Region origin ASes present in the Internet Routing Table: 1798
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 528
LACNIC Region transit ASes present in the Internet Routing Table: 325
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 122743040
Equivalent to 7 /8s, 80 /16s and 233 /24s
Percentage of available LACNIC address space announced: 73.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 10668
Total AfriNIC prefixes after maximum aggregation: 2408
AfriNIC Deaggregation factor: 4.43
Prefixes being announced from the AfriNIC address blocks: 11261
Unique aggregates announced from the AfriNIC address blocks: 3714
AfriNIC Region origin ASes present in the Internet Routing Table: 590
AfriNIC Prefixes per ASN: 19.09
AfriNIC Region origin ASes announcing only one prefix: 176
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: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 44188672
Equivalent to 2 /8s, 162 /16s and 68 /24s
Percentage of available AfriNIC address space announced: 43.9
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 2463 820 78 PT Telekomunikasi Indonesia
4766 2123 11551 628 Korea Telecom (KIX)
7545 1819 301 88 TPG Internet Pty Ltd
4755 1659 382 189 TATA Communications formerly
9829 1429 1145 45 National Internet Backbone
9583 1196 90 504 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1058 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 Bharti Airtel Ltd., Telemedia
18101 1009 135 170 Reliance Infocom Ltd Internet
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 3074 3698 108 BellSouth.net Inc.
7029 2263 1265 211 Windstream Communications Inc
18566 2077 382 181 Covad Communications Co.
22773 1968 2931 128 Cox Communications Inc.
1785 1951 677 124 PaeTec Communications, Inc.
20115 1688 1609 623 Charter Communications
4323 1597 1171 394 tw telecom holdings, inc.
30036 1340 287 691 Mediacom Communications Corp
7018 1306 10584 863 AT&T Services, Inc.
7011 1199 316 682 Frontier Communications of Am
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 1805 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1055 232 207 BILISIM TELEKOM
13188 852 99 35 Ukraine
12479 840 782 68 France Telecom Espana SA
31148 757 39 17 FreeNet ISP
20940 746 254 590 Akamai Technologies European
8551 736 367 39 Bezeq International
6830 714 2313 435 UPC Broadband
34744 685 186 47 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 2358 1325 86 Types of queries are: POCs, o
10620 2312 396 226 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1465 435 69 Axtel, S.A.B. de C.V.
8151 1357 2793 388 Uninet S.A. de C.V.
14754 941 121 78 Telgua
18881 758 716 18 Global Village Telecom
27947 756 86 93 Telconet S.A
3816 684 307 85 Types of queries are: POCs, o
11172 604 102 67 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 1286 80 4 MOBITEL
24863 897 275 36 LINKdotNET AS number
8452 534 958 13 TEDATA
6713 495 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 178 696 91 MTN Network Solutions
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 3074 3698 108 BellSouth.net Inc.
17974 2463 820 78 PT Telekomunikasi Indonesia
28573 2358 1325 86 Types of queries are: POCs, o
10620 2312 396 226 Types of queries are: POCs, o
7029 2263 1265 211 Windstream Communications Inc
4766 2123 11551 628 Korea Telecom (KIX)
18566 2077 382 181 Covad Communications Co.
22773 1968 2931 128 Cox Communications Inc.
1785 1951 677 124 PaeTec Communications, Inc.
7545 1819 301 88 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
17974 2463 2385 PT Telekomunikasi Indonesia
28573 2358 2272 Types of queries are: POCs, o
10620 2312 2086 Types of queries are: POCs, o
7029 2263 2052 Windstream Communications Inc
18566 2077 1896 Covad Communications Co.
22773 1968 1840 Cox Communications Inc.
1785 1951 1827 PaeTec Communications, Inc.
8402 1805 1789 Corbina telecom
7545 1819 1731 TPG Internet Pty Ltd
4766 2123 1495 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
65300 PRIVATE 8.224.5.0/24 14785 BCBSVT
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.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.210.16.0/22 15657 Neural Networks ASN
41.138.95.0/24 36930 ZanZibar Telecom
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
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.
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 /8:18 /9:13 /10:30 /11:88 /12:247
/13:480 /14:864 /15:1550 /16:12519 /17:6619 /18:10905
/19:21704 /20:31170 /21:33099 /22:44865 /23:40589 /24:230423
/25:9 /26:11 /27:10 /28:141 /29:189 /30:99
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1759 3074 BellSouth.net Inc.
7029 1637 2263 Windstream Communications Inc
8402 1540 1805 Corbina telecom
22773 1292 1968 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1232 1340 Mediacom Communications Corp
11492 1159 1196 CABLE ONE, INC.
1785 1033 1951 PaeTec Communications, Inc.
6503 979 1465 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:631 2:734 3:3 4:13 5:748 6:3
8:484 12:1930 13:3 14:712 15:11 16:3
17:8 20:24 23:240 24:1796 27:1471 31:1147
32:49 33:2 34:5 36:10 37:1290 38:840
39:2 40:141 41:2773 42:178 44:4 46:1724
47:1 49:575 50:643 52:12 54:28 55:8
57:31 58:1002 59:557 60:246 61:1300 62:1048
63:2018 64:4314 65:2140 66:4259 67:2023 68:1120
69:3248 70:858 71:530 72:1875 74:2533 75:421
76:290 77:1066 78:1022 79:556 80:1226 81:976
82:638 83:540 84:574 85:1150 86:477 87:982
88:375 89:1735 90:286 91:5402 92:625 93:1707
94:2044 95:1604 96:490 97:333 98:1047 99:49
100:29 101:311 103:2081 105:519 106:131 107:206
108:493 109:1770 110:825 111:1005 112:477 113:722
114:679 115:909 116:853 117:777 118:979 119:1227
120:367 121:680 122:1702 123:1184 124:1285 125:1309
128:508 129:189 130:303 131:641 132:320 133:143
134:246 135:62 136:220 137:231 138:341 139:153
140:189 141:302 142:500 143:381 144:474 145:88
146:518 147:343 148:709 149:341 150:151 151:398
152:398 153:190 154:26 155:368 156:238 157:340
158:259 159:614 160:334 161:398 162:361 163:191
164:574 165:441 166:439 167:574 168:1007 169:129
170:1015 171:164 172:4 173:1544 174:616 175:420
176:1088 177:1676 178:1717 180:1369 181:220 182:1141
183:316 184:631 185:216 186:2264 187:1442 188:1970
189:1527 190:6634 192:6270 193:5681 194:4642 195:3661
196:1306 197:928 198:4082 199:5157 200:5959 201:2188
202:8621 203:8660 204:4360 205:2519 206:2708 207:2726
208:4044 209:3507 210:2797 211:1561 212:1957 213:1893
214:901 215:93 216:5076 217:1581 218:579 219:318
220:1260 221:551 222:332 223:416
End of report
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