* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 24 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 433153
Prefixes after maximum aggregation: 179283
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215939
Total ASes present in the Internet Routing Table: 39630
Prefixes per ASN: 10.93
Origin-only ASes present in the Internet Routing Table: 34071
Origin ASes announcing only one prefix: 15933
Transit ASes present in the Internet Routing Table: 5559
Transit-only ASes present in the Internet Routing Table: 118
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: 167
Number of 32-bit ASNs allocated by the RIRs: 3689
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9013
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 205
Number of addresses announced to Internet: 2649650448
Equivalent to 157 /8s, 238 /16s and 117 /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: 94.1
Total number of prefixes smaller than registry allocations: 151027
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100045
Total APNIC prefixes after maximum aggregation: 31504
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 101684
Unique aggregates announced from the APNIC address blocks: 43523
APNIC Region origin ASes present in the Internet Routing Table: 4771
APNIC Prefixes per ASN: 21.31
APNIC Region origin ASes announcing only one prefix: 1275
APNIC Region transit ASes present in the Internet Routing Table: 767
Average APNIC Region AS path length visible: 4.0
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: 716007424
Equivalent to 42 /8s, 173 /16s and 104 /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: 153857
Total ARIN prefixes after maximum aggregation: 78081
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154526
Unique aggregates announced from the ARIN address blocks: 70671
ARIN Region origin ASes present in the Internet Routing Table: 15330
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5809
ARIN Region transit ASes present in the Internet Routing Table: 1533
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: 1091699456
Equivalent to 65 /8s, 18 /16s and 3 /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: 113648
Total RIPE prefixes after maximum aggregation: 58277
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116703
Unique aggregates announced from the RIPE address blocks: 74386
RIPE Region origin ASes present in the Internet Routing Table: 17010
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8147
RIPE Region transit ASes present in the Internet Routing Table: 2727
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: 652999440
Equivalent to 38 /8s, 235 /16s and 251 /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: 45575
Total LACNIC prefixes after maximum aggregation: 8972
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 49198
Unique aggregates announced from the LACNIC address blocks: 23476
LACNIC Region origin ASes present in the Internet Routing Table: 1779
LACNIC Prefixes per ASN: 27.65
LACNIC Region origin ASes announcing only one prefix: 519
LACNIC Region transit ASes present in the Internet Routing Table: 321
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: 122280192
Equivalent to 7 /8s, 73 /16s and 217 /24s
Percentage of available LACNIC address space announced: 72.9
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: 10249
Total AfriNIC prefixes after maximum aggregation: 2397
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 10836
Unique aggregates announced from the AfriNIC address blocks: 3698
AfriNIC Region origin ASes present in the Internet Routing Table: 592
AfriNIC Prefixes per ASN: 18.30
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 3.3
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: 44025344
Equivalent to 2 /8s, 159 /16s and 198 /24s
Percentage of available AfriNIC address space announced: 43.7
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 2456 828 53 PT Telekomunikasi Indonesia
4766 2118 11549 624 Korea Telecom (KIX)
7545 1818 301 86 TPG Internet Pty Ltd
4755 1646 380 173 TATA Communications formerly
9829 1426 1152 45 National Internet Backbone
9583 1191 89 507 Sify Limited
7552 1114 1070 12 Vietel Corporation
9498 1051 310 74 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 3101 3700 119 BellSouth.net Inc.
7029 2285 1265 211 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1962 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
20115 1686 1606 626 Charter Communications
4323 1594 1171 393 tw telecom holdings, inc.
30036 1351 288 693 Mediacom Communications Corp
7018 1311 10583 870 AT&T Services, Inc.
7011 1207 321 686 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 1806 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 930 231 209 BILISIM TELEKOM
13188 839 99 22 Ukraine
12479 833 778 65 France Telecom Espana SA
31148 744 38 14 FreeNet ISP
20940 725 244 577 Akamai Technologies European
8551 715 367 39 Bezeq International
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
10620 2290 391 226 Types of queries are: POCs, o
28573 2267 1304 76 Types of queries are: POCs, o
7303 1657 1137 204 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1391 2891 365 Uninet S.A. de C.V.
18881 756 716 18 Global Village Telecom
27947 748 86 92 Telconet S.A
14754 723 77 161 Telgua
3816 672 307 85 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
24863 896 275 36 LINKdotNET AS number
36998 885 80 4 MOBITEL
8452 553 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 282 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 198 29 7 Wananchi Online Limited
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 3101 3700 119 BellSouth.net Inc.
17974 2456 828 53 PT Telekomunikasi Indonesia
10620 2290 391 226 Types of queries are: POCs, o
7029 2285 1265 211 Windstream Communications Inc
28573 2267 1304 76 Types of queries are: POCs, o
4766 2118 11549 624 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1962 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
7545 1818 301 86 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 2456 2403 PT Telekomunikasi Indonesia
28573 2267 2191 Types of queries are: POCs, o
7029 2285 2074 Windstream Communications Inc
10620 2290 2064 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1962 1834 Cox Communications Inc.
1785 1947 1824 PaeTec Communications, Inc.
8402 1806 1790 Corbina telecom
7545 1818 1732 TPG Internet Pty Ltd
4766 2118 1494 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 12.45.103.0/24 209 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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
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
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 /14:867 /15:1558 /16:12481 /17:6611 /18:10858
/19:21659 /20:31033 /21:32990 /22:44317 /23:40273 /24:229026
/25:9 /26:11 /27:11 /28:146 /29:187 /30:98
/31:0 /32:144
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1771 3101 BellSouth.net Inc.
7029 1642 2285 Windstream Communications Inc
8402 1521 1806 Corbina telecom
22773 1293 1962 Cox Communications Inc.
30036 1248 1351 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1030 1947 PaeTec Communications, Inc.
6503 976 1446 Axtel, S.A.B. de C.V.
7011 956 1207 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:665 2:754 3:3 4:13 5:725 6:3
8:485 12:1926 13:3 14:691 15:11 16:3
17:8 20:27 23:222 24:1800 27:1476 31:1143
32:49 33:2 34:5 36:9 37:1225 38:839
39:2 40:138 41:2830 42:179 44:3 46:1724
47:1 49:533 50:657 52:12 54:28 55:3
57:31 58:996 59:558 60:222 61:1300 62:1051
63:2038 64:4312 65:2158 66:4258 67:2011 68:1119
69:3225 70:860 71:535 72:1882 74:2539 75:415
76:290 77:1007 78:1024 79:545 80:1223 81:982
82:655 83:534 84:572 85:1160 86:473 87:971
88:367 89:1729 90:285 91:5386 92:608 93:1655
94:2018 95:1568 96:489 97:332 98:1052 99:49
100:29 101:291 103:2011 105:482 106:129 107:208
108:486 109:1724 110:833 111:991 112:469 113:727
114:677 115:913 116:862 117:770 118:964 119:1240
120:320 121:686 122:1691 123:1175 124:1288 125:1270
128:528 129:191 130:298 131:617 132:316 133:142
134:242 135:62 136:218 137:229 138:340 139:155
140:180 141:299 142:501 143:372 144:477 145:89
146:519 147:331 148:711 149:338 150:152 151:258
152:398 153:189 154:23 155:416 156:233 157:340
158:257 159:619 160:334 161:396 162:366 163:186
164:587 165:454 166:457 167:573 168:999 169:129
170:1004 171:162 172:4 173:1552 174:757 175:422
176:1008 177:1624 178:1684 180:1370 181:212 182:1141
183:311 184:634 185:175 186:2227 187:1474 188:1893
189:1549 190:6456 192:6106 193:5839 194:4810 195:3697
196:1275 197:554 198:4028 199:5137 200:5957 201:2149
202:8564 203:8652 204:4396 205:2531 206:2708 207:2716
208:4059 209:3500 210:2762 211:1555 212:2016 213:1881
214:919 215:91 216:5030 217:1580 218:586 219:306
220:1265 221:529 222:323 223:408
End of report
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