* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 29 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 433797
Prefixes after maximum aggregation: 179417
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216337
Total ASes present in the Internet Routing Table: 39643
Prefixes per ASN: 10.94
Origin-only ASes present in the Internet Routing Table: 34090
Origin ASes announcing only one prefix: 15915
Transit ASes present in the Internet Routing Table: 5553
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 974
Unregistered ASNs in the Routing Table: 168
Number of 32-bit ASNs allocated by the RIRs: 3708
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9078
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2650564624
Equivalent to 157 /8s, 252 /16s and 104 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.2
Total number of prefixes smaller than registry allocations: 151534
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100387
Total APNIC prefixes after maximum aggregation: 31631
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 102043
Unique aggregates announced from the APNIC address blocks: 43722
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.42
APNIC Region origin ASes announcing only one prefix: 1262
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: 716329216
Equivalent to 42 /8s, 178 /16s and 81 /24s
Percentage of available APNIC address space announced: 83.7
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: 153676
Total ARIN prefixes after maximum aggregation: 78016
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154330
Unique aggregates announced from the ARIN address blocks: 70616
ARIN Region origin ASes present in the Internet Routing Table: 15348
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5813
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: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1091885056
Equivalent to 65 /8s, 20 /16s and 216 /24s
Percentage of available ARIN address space announced: 57.8
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: 113542
Total RIPE prefixes after maximum aggregation: 58349
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116621
Unique aggregates announced from the RIPE address blocks: 74589
RIPE Region origin ASes present in the Internet Routing Table: 17012
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8148
RIPE Region transit ASes present in the Internet Routing Table: 2719
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653041680
Equivalent to 38 /8s, 236 /16s and 160 /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: 45696
Total LACNIC prefixes after maximum aggregation: 8956
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 49333
Unique aggregates announced from the LACNIC address blocks: 23524
LACNIC Region origin ASes present in the Internet Routing Table: 1779
LACNIC Prefixes per ASN: 27.73
LACNIC Region origin ASes announcing only one prefix: 514
LACNIC Region transit ASes present in the Internet Routing Table: 318
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: 122408192
Equivalent to 7 /8s, 75 /16s and 205 /24s
Percentage of available LACNIC address space announced: 73.0
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: 10659
Total AfriNIC prefixes after maximum aggregation: 2413
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11275
Unique aggregates announced from the AfriNIC address blocks: 3712
AfriNIC Region origin ASes present in the Internet Routing Table: 591
AfriNIC Prefixes per ASN: 19.08
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 44290560
Equivalent to 2 /8s, 163 /16s and 210 /24s
Percentage of available AfriNIC address space announced: 44.0
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 2455 828 53 PT Telekomunikasi Indonesia
4766 2117 11549 624 Korea Telecom (KIX)
7545 1816 301 84 TPG Internet Pty Ltd
4755 1649 380 174 TATA Communications formerly
9829 1426 1152 45 National Internet Backbone
9583 1196 89 507 Sify Limited
7552 1131 1070 12 Vietel Corporation
9498 1052 310 75 BHARTI Airtel Ltd.
24560 1040 385 160 Bharti Airtel Ltd., Telemedia
18101 1016 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 3097 3699 117 BellSouth.net Inc.
7029 2282 1265 209 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1961 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
20115 1688 1607 627 Charter Communications
4323 1597 1171 395 tw telecom holdings, inc.
30036 1355 288 692 Mediacom Communications Corp
7018 1309 10583 868 AT&T Services, Inc.
7011 1203 316 683 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 1675 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 956 231 210 BILISIM TELEKOM
13188 840 99 22 Ukraine
12479 833 778 65 France Telecom Espana SA
31148 753 39 17 FreeNet ISP
8551 737 367 39 Bezeq International
20940 735 249 585 Akamai Technologies European
6830 714 2313 435 UPC Broadband
58113 633 70 378 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 2331 1315 81 Types of queries are: POCs, o
10620 2302 394 225 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1461 435 69 Axtel, S.A.B. de C.V.
8151 1392 2891 372 Uninet S.A. de C.V.
14754 796 113 126 Telgua
18881 756 716 18 Global Village Telecom
27947 748 86 89 Telconet S.A
3816 670 304 90 Types of queries are: POCs, o
11172 603 102 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 851 275 36 LINKdotNET AS number
8452 554 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 200 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
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 3097 3699 117 BellSouth.net Inc.
17974 2455 828 53 PT Telekomunikasi Indonesia
28573 2331 1315 81 Types of queries are: POCs, o
10620 2302 394 225 Types of queries are: POCs, o
7029 2282 1265 209 Windstream Communications Inc
4766 2117 11549 624 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1961 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
7545 1816 301 84 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 2455 2402 PT Telekomunikasi Indonesia
28573 2331 2250 Types of queries are: POCs, o
10620 2302 2077 Types of queries are: POCs, o
7029 2282 2073 Windstream Communications Inc
18566 2078 1900 Covad Communications Co.
22773 1961 1833 Cox Communications Inc.
1785 1947 1824 PaeTec Communications, Inc.
7545 1816 1732 TPG Internet Pty Ltd
8402 1675 1659 Corbina telecom
4766 2117 1493 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 7832 WW/Precision Communi
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 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
128.0.24.0/21 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
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
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 /8:19 /9:13 /10:30 /11:88 /12:247
/13:477 /14:868 /15:1558 /16:12488 /17:6619 /18:10853
/19:21660 /20:31056 /21:33082 /22:44439 /23:40381 /24:229319
/25:9 /26:11 /27:11 /28:141 /29:187 /30:99
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1770 3097 BellSouth.net Inc.
7029 1641 2282 Windstream Communications Inc
8402 1421 1675 Corbina telecom
22773 1292 1961 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1249 1355 Mediacom Communications Corp
11492 1158 1195 CABLE ONE, INC.
1785 1030 1947 PaeTec Communications, Inc.
6503 979 1461 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)
----------------------------------------------
1:649 2:669 3:3 4:13 5:727 6:3
8:487 12:1931 13:3 14:691 15:11 16:3
17:8 20:27 23:221 24:1798 27:1483 31:1143
32:49 33:2 34:5 36:9 37:1215 38:840
39:2 40:139 41:2853 42:179 44:4 46:1723
47:1 49:540 50:640 52:12 54:28 55:4
57:31 58:995 59:557 60:246 61:1301 62:1052
63:2036 64:4334 65:2158 66:4261 67:2017 68:1119
69:3229 70:858 71:535 72:1871 74:2542 75:422
76:294 77:1057 78:1020 79:553 80:1225 81:982
82:658 83:533 84:574 85:1161 86:473 87:973
88:371 89:1730 90:285 91:5384 92:607 93:1648
94:2012 95:1581 96:490 97:331 98:1052 99:49
100:29 101:302 103:2041 105:531 106:129 107:208
108:485 109:1753 110:833 111:992 112:469 113:718
114:704 115:916 116:868 117:771 118:963 119:1244
120:320 121:688 122:1690 123:1169 124:1291 125:1299
128:497 129:188 130:298 131:613 132:317 133:142
134:242 135:62 136:217 137:232 138:340 139:154
140:180 141:300 142:496 143:380 144:471 145:90
146:520 147:317 148:713 149:340 150:152 151:284
152:397 153:190 154:23 155:363 156:236 157:348
158:258 159:625 160:334 161:395 162:367 163:159
164:576 165:453 166:459 167:574 168:1001 169:129
170:1006 171:163 172:4 173:1553 174:621 175:426
176:988 177:1620 178:1687 180:1367 181:219 182:1158
183:307 184:636 185:188 186:2256 187:1459 188:1884
189:1543 190:6445 192:6141 193:5838 194:4673 195:3668
196:1296 197:884 198:4021 199:5130 200:5958 201:2174
202:8590 203:8663 204:4391 205:2508 206:2708 207:2716
208:4065 209:3501 210:2790 211:1562 212:2010 213:1888
214:882 215:86 216:5052 217:1582 218:581 219:307
220:1264 221:548 222:337 223:408
End of report
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