* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 26 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 441068
Prefixes after maximum aggregation: 181425
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 220104
Total ASes present in the Internet Routing Table: 40008
Prefixes per ASN: 11.02
Origin-only ASes present in the Internet Routing Table: 34374
Origin ASes announcing only one prefix: 16062
Transit ASes present in the Internet Routing Table: 5626
Transit-only ASes present in the Internet Routing Table: 128
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: 970
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 4650
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10058
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 198
Number of addresses announced to Internet: 2644401408
Equivalent to 157 /8s, 158 /16s and 93 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 154448
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102247
Total APNIC prefixes after maximum aggregation: 31867
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104029
Unique aggregates announced from the APNIC address blocks: 44075
APNIC Region origin ASes present in the Internet Routing Table: 4779
APNIC Prefixes per ASN: 21.77
APNIC Region origin ASes announcing only one prefix: 1254
APNIC Region transit ASes present in the Internet Routing Table: 784
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 718509056
Equivalent to 42 /8s, 211 /16s and 148 /24s
Percentage of available APNIC address space announced: 84.0
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: 155602
Total ARIN prefixes after maximum aggregation: 78791
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156311
Unique aggregates announced from the ARIN address blocks: 72032
ARIN Region origin ASes present in the Internet Routing Table: 15502
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5901
ARIN Region transit ASes present in the Internet Routing Table: 1550
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: 1078286080
Equivalent to 64 /8s, 69 /16s and 87 /24s
Percentage of available ARIN address space announced: 57.0
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: 114805
Total RIPE prefixes after maximum aggregation: 59055
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 118416
Unique aggregates announced from the RIPE address blocks: 76172
RIPE Region origin ASes present in the Internet Routing Table: 17088
RIPE Prefixes per ASN: 6.93
RIPE Region origin ASes announcing only one prefix: 8160
RIPE Region transit ASes present in the Internet Routing Table: 2759
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: 1
Number of RIPE addresses announced to Internet: 654406912
Equivalent to 39 /8s, 1 /16s and 117 /24s
Percentage of available RIPE address space announced: 95.1
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: 46820
Total LACNIC prefixes after maximum aggregation: 9235
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 50699
Unique aggregates announced from the LACNIC address blocks: 23851
LACNIC Region origin ASes present in the Internet Routing Table: 1865
LACNIC Prefixes per ASN: 27.18
LACNIC Region origin ASes announcing only one prefix: 562
LACNIC Region transit ASes present in the Internet Routing Table: 336
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: 3
Number of LACNIC addresses announced to Internet: 124622848
Equivalent to 7 /8s, 109 /16s and 152 /24s
Percentage of available LACNIC address space announced: 74.3
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: 10770
Total AfriNIC prefixes after maximum aggregation: 2427
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 11414
Unique aggregates announced from the AfriNIC address blocks: 3791
AfriNIC Region origin ASes present in the Internet Routing Table: 609
AfriNIC Prefixes per ASN: 18.74
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 45929984
Equivalent to 2 /8s, 188 /16s and 214 /24s
Percentage of available AfriNIC address space announced: 45.6
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 2507 840 86 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1842 301 91 TPG Internet Pty Ltd
4755 1719 392 196 TATA Communications formerly
9829 1483 1189 43 National Internet Backbone
9583 1269 97 532 Sify Limited
7552 1151 1066 12 Vietel Corporation
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
9498 1059 310 73 BHARTI Airtel Ltd.
4808 1022 1999 298 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 3032 3694 87 BellSouth.net Inc.
7029 2169 1266 215 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1994 2929 125 Cox Communications Inc.
1785 1965 677 124 PaeTec Communications, Inc.
20115 1682 1613 619 Charter Communications
4323 1611 1155 400 tw telecom holdings, inc.
30036 1321 291 674 Mediacom Communications Corp
7018 1317 10842 856 AT&T Services, Inc.
11492 1212 222 330 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 1743 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1112 233 206 BILISIM TELEKOM
12479 841 786 66 France Telecom Espana SA
13188 835 99 36 Ukraine
20940 799 279 637 Akamai Technologies European
8551 793 370 43 Bezeq International
31148 786 41 19 FreeNet ISP
6830 716 2314 437 UPC Broadband
58113 664 73 386 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 2459 1333 88 Types of queries are: POCs, o
10620 2362 407 238 Types of queries are: POCs, o
7303 1674 1152 210 Telecom Argentina S.A.
8151 1213 2680 404 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 941 128 87 Telgua
18881 834 716 18 Global Village Telecom
27947 770 87 98 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 695 307 87 Types of queries are: POCs, o
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 891 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 480 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 207 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 3032 3694 87 BellSouth.net Inc.
17974 2507 840 86 PT Telekomunikasi Indonesia
28573 2459 1333 88 Types of queries are: POCs, o
10620 2362 407 238 Types of queries are: POCs, o
7029 2169 1266 215 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1994 2929 125 Cox Communications Inc.
1785 1965 677 124 PaeTec Communications, Inc.
7545 1842 301 91 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 2507 2421 PT Telekomunikasi Indonesia
28573 2459 2371 Types of queries are: POCs, o
10620 2362 2124 Types of queries are: POCs, o
7029 2169 1954 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1994 1869 Cox Communications Inc.
1785 1965 1841 PaeTec Communications, Inc.
7545 1842 1751 TPG Internet Pty Ltd
8402 1743 1727 Corbina telecom
4755 1719 1523 TATA Communications formerly
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 12.45.103.0/24 209 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.
128.0.72.0/21 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
128.0.128.0/20 29285 AMT closed joint-stock compan
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 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 /12:248
/13:481 /14:870 /15:1560 /16:12594 /17:6621 /18:10863
/19:21687 /20:31652 /21:33439 /22:45734 /23:41269 /24:233305
/25:9 /26:11 /27:12 /28:142 /29:192 /30:97
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1742 3032 BellSouth.net Inc.
7029 1577 2169 Windstream Communications Inc
8402 1477 1743 Corbina telecom
22773 1305 1994 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1203 1321 Mediacom Communications Corp
11492 1174 1212 CABLE ONE, INC.
1785 1043 1965 PaeTec Communications, Inc.
7011 942 1187 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:703 2:754 3:3 4:13 5:834 6:3
8:513 12:1933 13:3 14:740 15:11 16:3
17:8 20:19 23:246 24:1797 27:1479 31:1181
32:39 33:2 34:5 36:43 37:1448 38:852
39:2 40:159 41:2853 42:176 44:6 46:1739
47:2 49:619 50:662 52:12 54:28 55:9
57:31 58:1019 59:595 60:299 61:1433 62:1012
63:2038 64:4284 65:2171 66:4272 67:2056 68:1114
69:3262 70:871 71:525 72:1897 74:2546 75:399
76:292 77:1086 78:1022 79:576 80:1243 81:981
82:617 83:574 84:563 85:1150 86:468 87:948
88:512 89:1775 90:262 91:5447 92:593 93:1692
94:1871 95:1527 96:499 97:336 98:1046 99:38
100:28 101:311 103:2298 105:517 106:133 107:207
108:497 109:1816 110:853 111:1036 112:493 113:750
114:654 115:1002 116:841 117:791 118:1008 119:1221
120:375 121:812 122:1703 123:1184 124:1292 125:1308
128:501 129:193 130:313 131:641 132:318 133:144
134:247 135:62 136:219 137:241 138:343 139:179
140:174 141:307 142:517 143:372 144:481 145:90
146:517 147:361 148:681 149:351 150:150 151:481
152:414 153:193 154:33 155:383 156:248 157:344
158:269 159:626 160:334 161:399 162:373 163:196
164:572 165:446 166:371 167:576 168:1010 169:130
170:1027 171:172 172:4 173:1577 174:583 175:431
176:1125 177:1874 178:1961 179:1 180:1390 181:298
182:1213 183:349 184:657 185:307 186:2400 187:1228
188:1895 189:1392 190:6604 192:6367 193:5686 194:4512
195:3473 196:1311 197:981 198:4221 199:5223 200:5957
201:2358 202:8680 203:8675 204:4421 205:2532 206:2693
207:2758 208:4049 209:3524 210:2800 211:1558 212:1993
213:1958 214:908 215:95 216:5190 217:1580 218:591
219:334 220:1266 221:547 222:317 223:488
End of report
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