* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 18 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 439658
Prefixes after maximum aggregation: 181321
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 218997
Total ASes present in the Internet Routing Table: 39969
Prefixes per ASN: 11.00
Origin-only ASes present in the Internet Routing Table: 34341
Origin ASes announcing only one prefix: 16044
Transit ASes present in the Internet Routing Table: 5620
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: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 939
Unregistered ASNs in the Routing Table: 160
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: 9724
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 195
Number of addresses announced to Internet: 2643978240
Equivalent to 157 /8s, 151 /16s and 232 /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: 153797
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101715
Total APNIC prefixes after maximum aggregation: 31801
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 103478
Unique aggregates announced from the APNIC address blocks: 44105
APNIC Region origin ASes present in the Internet Routing Table: 4775
APNIC Prefixes per ASN: 21.67
APNIC Region origin ASes announcing only one prefix: 1259
APNIC Region transit ASes present in the Internet Routing Table: 782
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 718172672
Equivalent to 42 /8s, 206 /16s and 114 /24s
Percentage of available APNIC address space announced: 83.9
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: 155367
Total ARIN prefixes after maximum aggregation: 78820
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156051
Unique aggregates announced from the ARIN address blocks: 71596
ARIN Region origin ASes present in the Internet Routing Table: 15480
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5880
ARIN Region transit ASes present in the Internet Routing Table: 1551
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: 1078321408
Equivalent to 64 /8s, 69 /16s and 225 /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: 114572
Total RIPE prefixes after maximum aggregation: 58995
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117997
Unique aggregates announced from the RIPE address blocks: 75600
RIPE Region origin ASes present in the Internet Routing Table: 17096
RIPE Prefixes per ASN: 6.90
RIPE Region origin ASes announcing only one prefix: 8170
RIPE Region transit ASes present in the Internet Routing Table: 2764
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: 654510336
Equivalent to 39 /8s, 3 /16s and 9 /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: 46656
Total LACNIC prefixes after maximum aggregation: 9224
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50453
Unique aggregates announced from the LACNIC address blocks: 23795
LACNIC Region origin ASes present in the Internet Routing Table: 1854
LACNIC Prefixes per ASN: 27.21
LACNIC Region origin ASes announcing only one prefix: 552
LACNIC Region transit ASes present in the Internet Routing Table: 329
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: 124680704
Equivalent to 7 /8s, 110 /16s and 122 /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: 10869
Total AfriNIC prefixes after maximum aggregation: 2431
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 11483
Unique aggregates announced from the AfriNIC address blocks: 3722
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 18.89
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.4
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: 45668352
Equivalent to 2 /8s, 184 /16s and 216 /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 2486 838 83 PT Telekomunikasi Indonesia
4766 2115 11550 626 Korea Telecom (KIX)
7545 1828 301 90 TPG Internet Pty Ltd
4755 1704 392 195 TATA Communications formerly
9829 1449 1173 43 National Internet Backbone
9583 1287 98 535 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1057 385 161 Bharti Airtel Ltd., Telemedia
18101 1009 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 3040 3695 93 BellSouth.net Inc.
7029 2175 1266 215 Windstream Communications Inc
18566 2078 382 183 Covad Communications Co.
22773 1994 2929 125 Cox Communications Inc.
1785 1960 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 1313 10841 858 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 1809 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 793 370 43 Bezeq International
20940 791 276 629 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 2423 1336 89 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 1203 2721 391 Uninet S.A. de C.V.
14754 942 129 85 Telgua
18881 829 716 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 882 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 510 958 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 3040 3695 93 BellSouth.net Inc.
17974 2486 838 83 PT Telekomunikasi Indonesia
28573 2423 1336 89 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7029 2175 1266 215 Windstream Communications Inc
4766 2115 11550 626 Korea Telecom (KIX)
18566 2078 382 183 Covad Communications Co.
22773 1994 2929 125 Cox Communications Inc.
1785 1960 677 123 PaeTec Communications, Inc.
7545 1828 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 2486 2403 PT Telekomunikasi Indonesia
28573 2423 2334 Types of queries are: POCs, o
10620 2354 2122 Types of queries are: POCs, o
7029 2175 1960 Windstream Communications Inc
18566 2078 1895 Covad Communications Co.
22773 1994 1869 Cox Communications Inc.
1785 1960 1837 PaeTec Communications, Inc.
8402 1809 1793 Corbina telecom
7545 1828 1738 TPG Internet Pty Ltd
4755 1704 1509 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 /12:249
/13:481 /14:869 /15:1561 /16:12600 /17:6646 /18:10849
/19:21690 /20:31563 /21:33401 /22:45583 /23:41189 /24:232219
/25:9 /26:11 /27:12 /28:142 /29:193 /30:101
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1744 3040 BellSouth.net Inc.
7029 1567 2175 Windstream Communications Inc
8402 1537 1809 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 1040 1960 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)
----------------------------------------------
1:688 2:760 3:3 4:13 5:703 6:3
8:510 12:1932 13:3 14:732 15:11 16:3
17:8 20:24 23:243 24:1794 27:1457 31:1193
32:39 33:2 34:5 36:27 37:1431 38:854
39:2 40:159 41:2869 42:175 44:4 46:1737
47:2 49:610 50:654 52:12 54:28 55:8
57:31 58:1003 59:575 60:292 61:1370 62:1020
63:2036 64:4289 65:2173 66:4252 67:2049 68:1119
69:3267 70:881 71:519 72:1894 74:2553 75:399
76:289 77:1083 78:1024 79:576 80:1238 81:978
82:647 83:558 84:560 85:1165 86:473 87:950
88:375 89:1760 90:262 91:5436 92:602 93:1714
94:1866 95:1547 96:498 97:336 98:1045 99:38
100:28 101:303 103:2274 105:517 106:131 107:207
108:498 109:1816 110:834 111:1035 112:493 113:752
114:669 115:963 116:859 117:794 118:1003 119:1220
120:370 121:764 122:1699 123:1190 124:1291 125:1312
128:504 129:193 130:310 131:644 132:327 133:142
134:247 135:60 136:220 137:238 138:343 139:176
140:173 141:302 142:513 143:366 144:481 145:89
146:515 147:355 148:693 149:356 150:149 151:466
152:410 153:194 154:31 155:378 156:247 157:345
158:265 159:629 160:332 161:401 162:372 163:194
164:576 165:446 166:391 167:575 168:1009 169:129
170:1021 171:168 172:4 173:1587 174:579 175:435
176:1172 177:1783 178:1788 179:1 180:1378 181:280
182:1174 183:338 184:659 185:299 186:2334 187:1270
188:1907 189:1440 190:6622 192:6348 193:5683 194:4528
195:3477 196:1315 197:948 198:4158 199:5203 200:5963
201:2251 202:8670 203:8635 204:4421 205:2553 206:2691
207:2732 208:4042 209:3524 210:2792 211:1553 212:2039
213:1946 214:909 215:96 216:5179 217:1573 218:592
219:320 220:1259 221:538 222:313 223:481
End of report
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