* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 22 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 440460
Prefixes after maximum aggregation: 181277
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 219646
Total ASes present in the Internet Routing Table: 39974
Prefixes per ASN: 11.02
Origin-only ASes present in the Internet Routing Table: 34339
Origin ASes announcing only one prefix: 16033
Transit ASes present in the Internet Routing Table: 5627
Transit-only ASes present in the Internet Routing Table: 122
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: 967
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 4637
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9849
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 200
Number of addresses announced to Internet: 2644688896
Equivalent to 157 /8s, 162 /16s and 192 /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: 154055
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102020
Total APNIC prefixes after maximum aggregation: 31816
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 103758
Unique aggregates announced from the APNIC address blocks: 44181
APNIC Region origin ASes present in the Internet Routing Table: 4774
APNIC Prefixes per ASN: 21.73
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: 718570752
Equivalent to 42 /8s, 212 /16s and 133 /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: 155495
Total ARIN prefixes after maximum aggregation: 78750
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156181
Unique aggregates announced from the ARIN address blocks: 71921
ARIN Region origin ASes present in the Internet Routing Table: 15487
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: 1552
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: 1078312448
Equivalent to 64 /8s, 69 /16s and 190 /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: 114660
Total RIPE prefixes after maximum aggregation: 58979
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 118114
Unique aggregates announced from the RIPE address blocks: 75795
RIPE Region origin ASes present in the Internet Routing Table: 17084
RIPE Prefixes per ASN: 6.91
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2762
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: 654587904
Equivalent to 39 /8s, 4 /16s and 56 /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: 46856
Total LACNIC prefixes after maximum aggregation: 9242
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 50724
Unique aggregates announced from the LACNIC address blocks: 23827
LACNIC Region origin ASes present in the Internet Routing Table: 1861
LACNIC Prefixes per ASN: 27.26
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 335
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: 124652544
Equivalent to 7 /8s, 110 /16s and 12 /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: 10859
Total AfriNIC prefixes after maximum aggregation: 2440
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 11482
Unique aggregates announced from the AfriNIC address blocks: 3738
AfriNIC Region origin ASes present in the Internet Routing Table: 609
AfriNIC Prefixes per ASN: 18.85
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 45936128
Equivalent to 2 /8s, 188 /16s and 238 /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 2494 840 90 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1841 301 90 TPG Internet Pty Ltd
4755 1704 392 195 TATA Communications formerly
9829 1442 1173 43 National Internet Backbone
9583 1268 97 531 Sify Limited
7552 1147 1062 11 Vietel Corporation
9498 1068 310 74 BHARTI Airtel Ltd.
24560 1060 385 165 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 3033 3694 87 BellSouth.net Inc.
7029 2227 1266 215 Windstream Communications Inc
18566 2077 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1964 677 125 PaeTec Communications, Inc.
20115 1682 1613 619 Charter Communications
4323 1613 1155 400 tw telecom holdings, inc.
30036 1322 291 679 Mediacom Communications Corp
7018 1318 10842 856 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 1697 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1107 233 206 BILISIM TELEKOM
12479 838 786 66 France Telecom Espana SA
13188 836 99 37 Ukraine
20940 798 279 636 Akamai Technologies European
8551 795 370 43 Bezeq International
31148 782 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 2450 1338 90 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7303 1673 1148 209 Telecom Argentina S.A.
6503 1220 435 70 Axtel, S.A.B. de C.V.
8151 1205 2671 401 Uninet S.A. de C.V.
14754 942 129 85 Telgua
18881 833 716 18 Global Village Telecom
27947 768 87 96 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 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 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 3033 3694 87 BellSouth.net Inc.
17974 2494 840 90 PT Telekomunikasi Indonesia
28573 2450 1338 90 Types of queries are: POCs, o
10620 2354 405 232 Types of queries are: POCs, o
7029 2227 1266 215 Windstream Communications Inc
4766 2141 11550 626 Korea Telecom (KIX)
18566 2077 382 183 Covad Communications Co.
22773 1993 2929 125 Cox Communications Inc.
1785 1964 677 125 PaeTec Communications, Inc.
7545 1841 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 2494 2404 PT Telekomunikasi Indonesia
28573 2450 2360 Types of queries are: POCs, o
10620 2354 2122 Types of queries are: POCs, o
7029 2227 2012 Windstream Communications Inc
18566 2077 1894 Covad Communications Co.
22773 1993 1868 Cox Communications Inc.
1785 1964 1839 PaeTec Communications, Inc.
7545 1841 1751 TPG Internet Pty Ltd
8402 1697 1681 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 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 /16:12602 /17:6611 /18:10863
/19:21670 /20:31635 /21:33483 /22:45710 /23:41266 /24:232756
/25:9 /26:11 /27:11 /28:137 /29:174 /30:92
/31:0 /32:122
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1743 3033 BellSouth.net Inc.
7029 1605 2227 Windstream Communications Inc
8402 1418 1697 Corbina telecom
22773 1304 1993 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1206 1322 Mediacom Communications Corp
11492 1172 1210 CABLE ONE, INC.
1785 1041 1964 PaeTec Communications, Inc.
7011 941 1186 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:677 2:733 3:3 4:13 5:836 6:3
8:510 12:1935 13:3 14:742 15:11 16:3
17:8 20:19 23:246 24:1796 27:1466 31:1194
32:39 33:2 34:5 36:43 37:1447 38:850
39:2 40:159 41:2838 42:181 44:6 46:1727
47:2 49:613 50:660 52:12 54:28 55:10
57:30 58:1016 59:577 60:298 61:1383 62:1020
63:2035 64:4284 65:2164 66:4264 67:2053 68:1116
69:3263 70:871 71:524 72:1897 74:2548 75:400
76:293 77:1085 78:994 79:568 80:1232 81:976
82:652 83:557 84:562 85:1150 86:473 87:948
88:379 89:1756 90:262 91:5441 92:602 93:1691
94:1872 95:1553 96:499 97:336 98:1050 99:38
100:28 101:311 103:2296 105:519 106:133 107:207
108:499 109:1815 110:841 111:1036 112:495 113:751
114:674 115:965 116:849 117:795 118:1014 119:1217
120:375 121:763 122:1701 123:1190 124:1292 125:1306
128:513 129:193 130:311 131:644 132:325 133:142
134:248 135:60 136:220 137:232 138:343 139:178
140:174 141:307 142:514 143:370 144:487 145:89
146:514 147:355 148:691 149:355 150:150 151:474
152:414 153:193 154:33 155:383 156:248 157:344
158:268 159:628 160:334 161:397 162:375 163:196
164:574 165:440 166:395 167:576 168:1010 169:130
170:1020 171:165 172:4 173:1585 174:575 175:430
176:1107 177:1832 178:1789 179:1 180:1381 181:289
182:1216 183:349 184:657 185:306 186:2365 187:1272
188:1919 189:1431 190:6582 192:6364 193:5685 194:4520
195:3469 196:1317 197:947 198:4182 199:5227 200:5968
201:2368 202:8704 203:8681 204:4419 205:2530 206:2686
207:2755 208:4049 209:3520 210:2792 211:1559 212:2047
213:1969 214:919 215:95 216:5178 217:1571 218:591
219:320 220:1265 221:547 222:316 223:488
End of report
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