* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 19 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 439625
Prefixes after maximum aggregation: 181208
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 219289
Total ASes present in the Internet Routing Table: 39966
Prefixes per ASN: 11.00
Origin-only ASes present in the Internet Routing Table: 34349
Origin ASes announcing only one prefix: 16049
Transit ASes present in the Internet Routing Table: 5609
Transit-only ASes present in the Internet Routing Table: 120
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: 940
Unregistered ASNs in the Routing Table: 159
Number of 32-bit ASNs allocated by the RIRs: 4627
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9700
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 196
Number of addresses announced to Internet: 2644172032
Equivalent to 157 /8s, 154 /16s and 221 /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: 153638
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101816
Total APNIC prefixes after maximum aggregation: 31780
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 103587
Unique aggregates announced from the APNIC address blocks: 44133
APNIC Region origin ASes present in the Internet Routing Table: 4769
APNIC Prefixes per ASN: 21.72
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 781
Average APNIC Region AS path length visible: 3.9
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: 718431232
Equivalent to 42 /8s, 210 /16s and 100 /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: 155410
Total ARIN prefixes after maximum aggregation: 78728
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156105
Unique aggregates announced from the ARIN address blocks: 71845
ARIN Region origin ASes present in the Internet Routing Table: 15479
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5883
ARIN Region transit ASes present in the Internet Routing Table: 1549
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: 1078242048
Equivalent to 64 /8s, 68 /16s and 171 /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: 114558
Total RIPE prefixes after maximum aggregation: 58996
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117955
Unique aggregates announced from the RIPE address blocks: 75579
RIPE Region origin ASes present in the Internet Routing Table: 17098
RIPE Prefixes per ASN: 6.90
RIPE Region origin ASes announcing only one prefix: 8173
RIPE Region transit ASes present in the Internet Routing Table: 2754
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: 654475520
Equivalent to 39 /8s, 2 /16s and 129 /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: 46577
Total LACNIC prefixes after maximum aggregation: 9224
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 50358
Unique aggregates announced from the LACNIC address blocks: 23760
LACNIC Region origin ASes present in the Internet Routing Table: 1858
LACNIC Prefixes per ASN: 27.10
LACNIC Region origin ASes announcing only one prefix: 559
LACNIC Region transit ASes present in the Internet Routing Table: 331
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: 124742400
Equivalent to 7 /8s, 111 /16s and 107 /24s
Percentage of available LACNIC address space announced: 74.4
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: 10806
Total AfriNIC prefixes after maximum aggregation: 2430
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 11423
Unique aggregates announced from the AfriNIC address blocks: 3792
AfriNIC Region origin ASes present in the Internet Routing Table: 605
AfriNIC Prefixes per ASN: 18.88
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 45655808
Equivalent to 2 /8s, 184 /16s and 167 /24s
Percentage of available AfriNIC address space announced: 45.4
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 2504 840 86 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1828 301 89 TPG Internet Pty Ltd
4755 1703 392 194 TATA Communications formerly
9829 1465 1173 43 National Internet Backbone
9583 1286 98 532 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
18101 1010 135 172 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 3038 3695 93 BellSouth.net Inc.
7029 2176 1266 215 Windstream Communications Inc
18566 2078 382 183 Covad Communications Co.
22773 1994 2929 125 Cox Communications Inc.
1785 1961 677 123 PaeTec Communications, Inc.
20115 1680 1611 622 Charter Communications
4323 1608 1155 400 tw telecom holdings, inc.
30036 1332 292 692 Mediacom Communications Corp
7018 1311 10841 860 AT&T Services, Inc.
11492 1210 222 329 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 1811 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1106 233 206 BILISIM TELEKOM
12479 840 786 66 France Telecom Espana SA
13188 837 99 34 Ukraine
8551 794 370 43 Bezeq International
20940 794 277 632 Akamai Technologies European
31148 776 40 20 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 2438 1337 90 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7303 1672 1148 208 Telecom Argentina S.A.
6503 1222 435 70 Axtel, S.A.B. de C.V.
8151 1202 2721 391 Uninet S.A. de C.V.
14754 941 128 87 Telgua
18881 830 716 18 Global Village Telecom
27947 767 87 95 Telconet S.A
3816 694 307 87 Types of queries are: POCs, o
7738 650 1306 35 Telecomunicacoes da Bahia S.A
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 893 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 511 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 206 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 3038 3695 93 BellSouth.net Inc.
17974 2504 840 86 PT Telekomunikasi Indonesia
28573 2438 1337 90 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7029 2176 1266 215 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2078 382 183 Covad Communications Co.
22773 1994 2929 125 Cox Communications Inc.
1785 1961 677 123 PaeTec Communications, Inc.
7545 1828 301 89 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 2504 2418 PT Telekomunikasi Indonesia
28573 2438 2348 Types of queries are: POCs, o
10620 2354 2122 Types of queries are: POCs, o
7029 2176 1961 Windstream Communications Inc
18566 2078 1895 Covad Communications Co.
22773 1994 1869 Cox Communications Inc.
1785 1961 1838 PaeTec Communications, Inc.
8402 1811 1795 Corbina telecom
7545 1828 1739 TPG Internet Pty Ltd
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 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 /15:1561 /16:12598 /17:6631 /18:10849
/19:21680 /20:31560 /21:33423 /22:45643 /23:41188 /24:232134
/25:9 /26:11 /27:12 /28:142 /29:193 /30:101
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1742 3038 BellSouth.net Inc.
7029 1568 2176 Windstream Communications Inc
8402 1539 1811 Corbina telecom
22773 1305 1994 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1215 1332 Mediacom Communications Corp
11492 1172 1210 CABLE ONE, INC.
1785 1041 1961 PaeTec Communications, Inc.
7011 950 1198 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:686 2:756 3:3 4:13 5:703 6:3
8:509 12:1932 13:3 14:735 15:11 16:3
17:8 20:24 23:244 24:1794 27:1455 31:1193
32:39 33:2 34:5 36:27 37:1431 38:855
39:2 40:159 41:2817 42:175 44:6 46:1731
47:2 49:610 50:654 52:12 54:28 55:7
57:31 58:1002 59:576 60:298 61:1379 62:986
63:2036 64:4286 65:2171 66:4260 67:2052 68:1119
69:3262 70:881 71:519 72:1894 74:2553 75:399
76:289 77:1084 78:985 79:576 80:1238 81:978
82:647 83:558 84:560 85:1157 86:473 87:940
88:376 89:1756 90:262 91:5441 92:602 93:1706
94:1862 95:1570 96:499 97:337 98:1045 99:38
100:28 101:307 103:2284 105:519 106:131 107:207
108:498 109:1810 110:840 111:1035 112:493 113:751
114:677 115:964 116:862 117:793 118:998 119:1230
120:370 121:760 122:1697 123:1189 124:1289 125:1314
128:506 129:193 130:311 131:639 132:327 133:142
134:247 135:60 136:220 137:238 138:343 139:176
140:174 141:302 142:514 143:369 144:484 145:89
146:514 147:354 148:691 149:356 150:150 151:467
152:410 153:194 154:31 155:378 156:247 157:345
158:266 159:629 160:335 161:401 162:371 163:193
164:575 165:446 166:391 167:575 168:1008 169:129
170:1023 171:168 172:4 173:1589 174:574 175:431
176:1170 177:1742 178:1794 180:1378 181:283 182:1195
183:336 184:659 185:306 186:2343 187:1267 188:1919
189:1436 190:6586 192:6350 193:5683 194:4529 195:3477
196:1314 197:947 198:4161 199:5222 200:5965 201:2250
202:8672 203:8631 204:4420 205:2544 206:2698 207:2754
208:4048 209:3521 210:2794 211:1555 212:2040 213:1947
214:906 215:96 216:5177 217:1556 218:593 219:320
220:1263 221:547 222:313 223:482
End of report
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