* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 10 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 435632
Prefixes after maximum aggregation: 179941
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217042
Total ASes present in the Internet Routing Table: 39706
Prefixes per ASN: 10.97
Origin-only ASes present in the Internet Routing Table: 34143
Origin ASes announcing only one prefix: 15952
Transit ASes present in the Internet Routing Table: 5563
Transit-only ASes present in the Internet Routing Table: 122
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: 962
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 3742
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9163
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 200
Number of addresses announced to Internet: 2635952400
Equivalent to 157 /8s, 29 /16s and 113 /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: 152306
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100624
Total APNIC prefixes after maximum aggregation: 31682
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 102310
Unique aggregates announced from the APNIC address blocks: 43941
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: 1262
APNIC Region transit ASes present in the Internet Routing Table: 767
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: 717457152
Equivalent to 42 /8s, 195 /16s and 135 /24s
Percentage of available APNIC address space announced: 83.9
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: 153988
Total ARIN prefixes after maximum aggregation: 78240
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154689
Unique aggregates announced from the ARIN address blocks: 70691
ARIN Region origin ASes present in the Internet Routing Table: 15373
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5831
ARIN Region transit ASes present in the Internet Routing Table: 1534
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: 1075831808
Equivalent to 64 /8s, 31 /16s and 228 /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: 114217
Total RIPE prefixes after maximum aggregation: 58553
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117351
Unique aggregates announced from the RIPE address blocks: 74966
RIPE Region origin ASes present in the Internet Routing Table: 17030
RIPE Prefixes per ASN: 6.89
RIPE Region origin ASes announcing only one prefix: 8156
RIPE Region transit ASes present in the Internet Routing Table: 2732
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: 653096720
Equivalent to 38 /8s, 237 /16s and 119 /24s
Percentage of available RIPE address space announced: 94.9
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: 46304
Total LACNIC prefixes after maximum aggregation: 9000
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 49920
Unique aggregates announced from the LACNIC address blocks: 23549
LACNIC Region origin ASes present in the Internet Routing Table: 1796
LACNIC Prefixes per ASN: 27.80
LACNIC Region origin ASes announcing only one prefix: 527
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: 122770432
Equivalent to 7 /8s, 81 /16s and 84 /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: 10571
Total AfriNIC prefixes after maximum aggregation: 2414
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 11161
Unique aggregates announced from the AfriNIC address blocks: 3715
AfriNIC Region origin ASes present in the Internet Routing Table: 591
AfriNIC Prefixes per ASN: 18.88
AfriNIC Region origin ASes announcing only one prefix: 176
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 3.5
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: 44173312
Equivalent to 2 /8s, 162 /16s and 8 /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 1821 301 90 TPG Internet Pty Ltd
4755 1658 382 188 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 1010 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 3071 3697 105 BellSouth.net Inc.
7029 2262 1265 211 Windstream Communications Inc
18566 2077 382 181 Covad Communications Co.
22773 1967 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 1304 10584 862 AT&T Services, Inc.
11492 1196 216 339 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 1777 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1054 232 207 BILISIM TELEKOM
13188 854 99 22 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 669 186 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 2356 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 1355 2801 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 887 275 36 LINKdotNET AS number
8452 534 958 13 TEDATA
6713 496 602 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 179 696 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 3071 3697 105 BellSouth.net Inc.
17974 2463 820 78 PT Telekomunikasi Indonesia
28573 2356 1325 86 Types of queries are: POCs, o
10620 2312 396 226 Types of queries are: POCs, o
7029 2262 1265 211 Windstream Communications Inc
4766 2123 11551 628 Korea Telecom (KIX)
18566 2077 382 181 Covad Communications Co.
22773 1967 2931 128 Cox Communications Inc.
1785 1951 677 124 PaeTec Communications, Inc.
7545 1821 301 90 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 2356 2270 Types of queries are: POCs, o
10620 2312 2086 Types of queries are: POCs, o
7029 2262 2051 Windstream Communications Inc
18566 2077 1896 Covad Communications Co.
22773 1967 1839 Cox Communications Inc.
1785 1951 1827 PaeTec Communications, Inc.
8402 1777 1761 Corbina telecom
7545 1821 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
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.
128.0.60.0/23 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 /14:863 /15:1550 /16:12519 /17:6617 /18:10899
/19:21700 /20:31161 /21:33078 /22:44872 /23:40609 /24:230283
/25:9 /26:11 /27:11 /28:143 /29:189 /30:100
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1759 3071 BellSouth.net Inc.
7029 1636 2262 Windstream Communications Inc
8402 1508 1777 Corbina telecom
22773 1291 1967 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)
----------------------------------------------
1:630 2:723 3:3 4:13 5:750 6:3
8:484 12:1928 13:3 14:713 15:11 16:3
17:8 20:24 23:240 24:1796 27:1471 31:1146
32:49 33:2 34:5 36:10 37:1299 38:840
39:2 40:141 41:2773 42:178 44:4 46:1724
47:1 49:577 50:643 52:12 54:28 55:7
57:31 58:1001 59:557 60:246 61:1300 62:1041
63:2014 64:4313 65:2136 66:4260 67:2018 68:1120
69:3250 70:857 71:530 72:1874 74:2531 75:421
76:290 77:1065 78:1010 79:553 80:1225 81:977
82:638 83:539 84:574 85:1149 86:477 87:982
88:375 89:1727 90:286 91:5402 92:626 93:1706
94:2029 95:1603 96:490 97:334 98:1047 99:49
100:29 101:310 103:2078 105:519 106:131 107:207
108:493 109:1771 110:826 111:1005 112:479 113:721
114:678 115:909 116:856 117:770 118:981 119:1224
120:367 121:680 122:1699 123:1189 124:1285 125:1309
128:512 129:189 130:303 131:641 132:320 133:143
134:246 135:62 136:220 137:231 138:341 139:153
140:189 141:302 142:499 143:379 144:474 145:88
146:513 147:338 148:709 149:341 150:151 151:397
152:398 153:190 154:26 155:369 156:238 157:344
158:259 159:614 160:330 161:398 162:361 163:191
164:574 165:441 166:439 167:575 168:1004 169:129
170:1015 171:164 172:4 173:1543 174:612 175:418
176:1085 177:1668 178:1727 180:1343 181:221 182:1141
183:316 184:631 185:217 186:2260 187:1438 188:1973
189:1525 190:6625 192:6270 193:5681 194:4641 195:3653
196:1303 197:854 198:4079 199:5156 200:5961 201:2188
202:8636 203:8655 204:4362 205:2522 206:2707 207:2733
208:4050 209:3499 210:2796 211:1559 212:2022 213:1893
214:897 215:93 216:5074 217:1582 218:579 219:317
220:1260 221:551 222:335 223:415
End of report
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