* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 02 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 441642
Prefixes after maximum aggregation: 181507
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 220941
Total ASes present in the Internet Routing Table: 40025
Prefixes per ASN: 11.03
Origin-only ASes present in the Internet Routing Table: 34395
Origin ASes announcing only one prefix: 16058
Transit ASes present in the Internet Routing Table: 5622
Transit-only ASes present in the Internet Routing Table: 124
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: 946
Unregistered ASNs in the Routing Table: 161
Number of 32-bit ASNs allocated by the RIRs: 4663
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10219
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 213
Number of addresses announced to Internet: 2647345152
Equivalent to 157 /8s, 203 /16s and 72 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 154598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102355
Total APNIC prefixes after maximum aggregation: 31852
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104153
Unique aggregates announced from the APNIC address blocks: 44312
APNIC Region origin ASes present in the Internet Routing Table: 4774
APNIC Prefixes per ASN: 21.82
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 781
Average APNIC Region AS path length visible: 4.1
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: 718870784
Equivalent to 42 /8s, 217 /16s and 25 /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: 155868
Total ARIN prefixes after maximum aggregation: 78861
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156571
Unique aggregates announced from the ARIN address blocks: 72202
ARIN Region origin ASes present in the Internet Routing Table: 15516
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5909
ARIN Region transit ASes present in the Internet Routing Table: 1545
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: 1079748864
Equivalent to 64 /8s, 91 /16s and 169 /24s
Percentage of available ARIN address space announced: 57.1
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: 115469
Total RIPE prefixes after maximum aggregation: 59103
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 119185
Unique aggregates announced from the RIPE address blocks: 76660
RIPE Region origin ASes present in the Internet Routing Table: 17094
RIPE Prefixes per ASN: 6.97
RIPE Region origin ASes announcing only one prefix: 8154
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: 654730496
Equivalent to 39 /8s, 6 /16s and 101 /24s
Percentage of available RIPE address space announced: 95.2
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: 46867
Total LACNIC prefixes after maximum aggregation: 9199
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 50810
Unique aggregates announced from the LACNIC address blocks: 23841
LACNIC Region origin ASes present in the Internet Routing Table: 1871
LACNIC Prefixes per ASN: 27.16
LACNIC Region origin ASes announcing only one prefix: 564
LACNIC Region transit ASes present in the Internet Routing Table: 341
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 125155072
Equivalent to 7 /8s, 117 /16s and 183 /24s
Percentage of available LACNIC address space announced: 74.6
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: 10106
Total AfriNIC prefixes after maximum aggregation: 2444
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10709
Unique aggregates announced from the AfriNIC address blocks: 3727
AfriNIC Region origin ASes present in the Internet Routing Table: 610
AfriNIC Prefixes per ASN: 17.56
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 3.7
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: 46211328
Equivalent to 2 /8s, 193 /16s and 33 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2500 840 86 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1851 301 90 TPG Internet Pty Ltd
4755 1706 392 198 TATA Communications formerly
9829 1485 1189 43 National Internet Backbone
9583 1258 96 524 Sify Limited
7552 1169 1066 12 Vietel Corporation
9498 1057 308 70 BHARTI Airtel Ltd.
24560 1055 385 169 Bharti Airtel Ltd., Telemedia
4808 1024 2003 299 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 3030 3694 86 BellSouth.net Inc.
7029 2180 1266 213 Windstream Communications Inc
18566 2066 381 182 Covad Communications Co.
22773 2007 2929 125 Cox Communications Inc.
1785 1972 677 125 PaeTec Communications, Inc.
20115 1669 1610 612 Charter Communications
4323 1604 1154 395 tw telecom holdings, inc.
30036 1321 290 669 Mediacom Communications Corp
7018 1315 10837 857 AT&T Services, Inc.
11492 1215 223 333 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 1742 544 16 Corbina telecom
34984 1129 233 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 843 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 802 280 639 Akamai Technologies European
8551 794 370 43 Bezeq International
31148 786 41 19 FreeNet ISP
6830 716 2314 437 UPC Broadband
58113 666 74 386 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 2479 1346 92 Types of queries are: POCs, o
10620 2360 407 236 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1209 2664 399 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 941 127 84 Telgua
18881 841 716 18 Global Village Telecom
27947 773 87 95 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 1137 80 4 MOBITEL
24863 672 274 33 LINKdotNET AS number
6713 536 615 23 Itissalat Al-MAGHRIB
8452 353 958 13 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 208 11 6 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 182 12 19 Starcomms Nigeria Limited
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 3030 3694 86 BellSouth.net Inc.
17974 2500 840 86 PT Telekomunikasi Indonesia
28573 2479 1346 92 Types of queries are: POCs, o
10620 2360 407 236 Types of queries are: POCs, o
7029 2180 1266 213 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2066 381 182 Covad Communications Co.
22773 2007 2929 125 Cox Communications Inc.
1785 1972 677 125 PaeTec Communications, Inc.
7545 1851 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 2500 2414 PT Telekomunikasi Indonesia
28573 2479 2387 Types of queries are: POCs, o
10620 2360 2124 Types of queries are: POCs, o
7029 2180 1967 Windstream Communications Inc
18566 2066 1884 Covad Communications Co.
22773 2007 1882 Cox Communications Inc.
1785 1972 1847 PaeTec Communications, Inc.
7545 1851 1761 TPG Internet Pty Ltd
8402 1742 1726 Corbina telecom
4766 2141 1515 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.
128.0.72.0/21 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 /12:249
/13:481 /14:873 /15:1558 /16:12614 /17:6632 /18:10816
/19:21701 /20:31812 /21:33484 /22:45800 /23:41148 /24:233724
/25:9 /26:11 /27:12 /28:139 /29:190 /30:100
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications Co.
6389 1741 3030 BellSouth.net Inc.
7029 1596 2180 Windstream Communications Inc
8402 1480 1742 Corbina telecom
22773 1313 2007 Cox Communications Inc.
30036 1201 1321 Mediacom Communications Corp
11492 1177 1215 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1044 1972 PaeTec Communications, Inc.
7011 931 1175 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:705 2:756 3:3 4:13 5:835 6:5
8:514 12:1920 13:3 14:747 15:11 16:3
17:8 20:19 23:248 24:1794 27:1436 31:1192
32:39 33:2 34:5 36:43 37:1701 38:856
39:2 40:164 41:2725 42:183 44:6 46:1758
47:2 49:622 50:663 52:12 54:28 55:8
57:30 58:1024 59:585 60:299 61:1428 62:984
63:2036 64:4284 65:2175 66:4271 67:2061 68:1114
69:3270 70:873 71:525 72:1896 74:2551 75:403
76:288 77:1084 78:1004 79:572 80:1256 81:971
82:637 83:579 84:559 85:1157 86:471 87:948
88:521 89:1779 90:281 91:5450 92:618 93:1679
94:1865 95:1535 96:498 97:340 98:1051 99:38
100:28 101:309 103:2346 105:488 106:134 107:207
108:496 109:1806 110:851 111:1038 112:499 113:751
114:678 115:1002 116:847 117:779 118:1003 119:1227
120:374 121:793 122:1695 123:1189 124:1293 125:1316
128:561 129:195 130:318 131:645 132:326 133:144
134:248 135:62 136:219 137:240 138:344 139:182
140:172 141:300 142:524 143:364 144:481 145:90
146:517 147:378 148:685 149:359 150:157 151:556
152:414 153:194 154:33 155:381 156:257 157:344
158:271 159:627 160:334 161:399 162:374 163:190
164:572 165:445 166:359 167:576 168:1008 169:132
170:1018 171:171 172:4 173:1580 174:581 175:436
176:1124 177:1884 178:2012 179:2 180:1383 181:296
182:1113 183:373 184:660 185:331 186:2403 187:1249
188:1918 189:1402 190:6590 192:6411 193:5674 194:4520
195:3463 196:1310 197:830 198:4233 199:5234 200:5985
201:2348 202:8694 203:8685 204:4420 205:2527 206:2694
207:2760 208:4054 209:3523 210:2799 211:1559 212:2043
213:1945 214:928 215:94 216:5183 217:1581 218:593
219:330 220:1266 221:544 222:318 223:499
End of report
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