* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 11 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 442743
Prefixes after maximum aggregation: 181875
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 221372
Total ASes present in the Internet Routing Table: 40075
Prefixes per ASN: 11.05
Origin-only ASes present in the Internet Routing Table: 34443
Origin ASes announcing only one prefix: 16079
Transit ASes present in the Internet Routing Table: 5624
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 21
Prefixes from unregistered ASNs in the Routing Table: 953
Unregistered ASNs in the Routing Table: 164
Number of 32-bit ASNs allocated by the RIRs: 4707
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10042
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 224
Number of addresses announced to Internet: 2633272576
Equivalent to 156 /8s, 244 /16s and 141 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
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: 154934
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102509
Total APNIC prefixes after maximum aggregation: 31923
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104323
Unique aggregates announced from the APNIC address blocks: 44349
APNIC Region origin ASes present in the Internet Routing Table: 4766
APNIC Prefixes per ASN: 21.89
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 785
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: 719241728
Equivalent to 42 /8s, 222 /16s and 194 /24s
Percentage of available APNIC address space announced: 84.1
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: 156058
Total ARIN prefixes after maximum aggregation: 79059
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156798
Unique aggregates announced from the ARIN address blocks: 72408
ARIN Region origin ASes present in the Internet Routing Table: 15542
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5926
ARIN Region transit ASes present in the Internet Routing Table: 1548
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: 1062419712
Equivalent to 63 /8s, 83 /16s and 61 /24s
Percentage of available ARIN address space announced: 56.2
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: 116033
Total RIPE prefixes after maximum aggregation: 59134
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 119530
Unique aggregates announced from the RIPE address blocks: 76510
RIPE Region origin ASes present in the Internet Routing Table: 17112
RIPE Prefixes per ASN: 6.99
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2757
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: 656336896
Equivalent to 39 /8s, 30 /16s and 232 /24s
Percentage of available RIPE address space announced: 95.4
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: 47199
Total LACNIC prefixes after maximum aggregation: 9228
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 51113
Unique aggregates announced from the LACNIC address blocks: 24032
LACNIC Region origin ASes present in the Internet Routing Table: 1878
LACNIC Prefixes per ASN: 27.22
LACNIC Region origin ASes announcing only one prefix: 562
LACNIC Region transit ASes present in the Internet Routing Table: 343
Average LACNIC Region AS path length visible: 4.1
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: 126382848
Equivalent to 7 /8s, 136 /16s and 115 /24s
Percentage of available LACNIC address space announced: 75.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10147
Total AfriNIC prefixes after maximum aggregation: 2483
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 10754
Unique aggregates announced from the AfriNIC address blocks: 3863
AfriNIC Region origin ASes present in the Internet Routing Table: 615
AfriNIC Prefixes per ASN: 17.49
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 3.8
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: 46221824
Equivalent to 2 /8s, 193 /16s and 74 /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 2509 840 86 PT Telekomunikasi Indonesia
4766 2146 11551 628 Korea Telecom (KIX)
7545 1880 320 110 TPG Internet Pty Ltd
4755 1713 392 198 TATA Communications formerly
9829 1511 1205 40 National Internet Backbone
9583 1259 96 532 Sify Limited
7552 1116 1066 12 Vietel Corporation
9498 1064 308 69 BHARTI Airtel Ltd.
24560 1062 353 162 Bharti Airtel Ltd., Telemedia
4808 1022 2002 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 3037 3694 87 BellSouth.net Inc.
7029 2118 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2012 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
20115 1668 1610 610 Charter Communications
4323 1606 1154 396 tw telecom holdings, inc.
30036 1337 296 660 Mediacom Communications Corp
7018 1331 10840 870 AT&T Services, Inc.
11492 1216 223 331 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 1779 544 16 Corbina telecom
34984 1144 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 809 286 645 Akamai Technologies European
31148 792 41 21 FreeNet ISP
8551 790 369 50 Bezeq International
6830 753 2318 443 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 2583 1433 98 Types of queries are: POCs, o
10620 2361 409 223 Types of queries are: POCs, o
7303 1674 1153 211 Telecom Argentina S.A.
8151 1214 2682 396 Uninet S.A. de C.V.
6503 1147 435 70 Axtel, S.A.B. de C.V.
14754 1138 153 37 Telgua
18881 850 716 18 Global Village Telecom
27947 777 88 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 698 307 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 686 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 355 956 9 TEDATA
24835 277 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
16637 173 696 91 MTN Network Solutions
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 3037 3694 87 BellSouth.net Inc.
28573 2583 1433 98 Types of queries are: POCs, o
17974 2509 840 86 PT Telekomunikasi Indonesia
10620 2361 409 223 Types of queries are: POCs, o
4766 2146 11551 628 Korea Telecom (KIX)
7029 2118 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2012 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
7545 1880 320 110 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
28573 2583 2485 Types of queries are: POCs, o
17974 2509 2423 PT Telekomunikasi Indonesia
10620 2361 2138 Types of queries are: POCs, o
7029 2118 1906 Windstream Communications Inc
22773 2012 1887 Cox Communications Inc.
18566 2065 1883 Covad Communications Co.
1785 1973 1851 PaeTec Communications, Inc.
7545 1880 1770 TPG Internet Pty Ltd
8402 1779 1763 Corbina telecom
4766 2146 1518 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.
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
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
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
62.61.220.0/24 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.
64.185.230.0/24 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 /8:17 /9:13 /10:30 /11:88 /12:249
/13:483 /14:882 /15:1558 /16:12630 /17:6630 /18:10882
/19:21767 /20:31812 /21:33648 /22:46115 /23:41291 /24:234057
/25:9 /26:11 /27:12 /28:139 /29:186 /30:104
/31:0 /32:130
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications Co.
6389 1742 3037 BellSouth.net Inc.
7029 1578 2118 Windstream Communications Inc
8402 1484 1779 Corbina telecom
22773 1317 2012 Cox Communications Inc.
30036 1214 1337 Mediacom Communications Corp
11492 1178 1216 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1047 1973 PaeTec Communications, Inc.
6983 931 1042 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:730 2:761 3:3 4:12 5:852 6:4
8:518 12:1917 13:3 14:748 15:11 16:3
17:9 20:19 23:253 24:1769 27:1443 31:1208
32:37 33:2 34:5 36:41 37:1689 38:856
39:2 40:169 41:2676 42:184 44:6 46:1764
47:2 49:622 50:668 52:12 54:30 55:9
57:30 58:1025 59:583 60:300 61:1432 62:1002
63:2029 64:4279 65:2176 66:4275 67:2063 68:1118
69:3243 70:875 71:524 72:1900 74:2560 75:411
76:289 77:1095 78:1039 79:586 80:1230 81:974
82:622 83:576 84:572 85:1154 86:464 87:961
88:526 89:1769 90:281 91:5474 92:615 93:1710
94:1867 95:1555 96:503 97:340 98:1049 99:38
100:28 101:308 103:2375 105:488 106:136 107:207
108:498 109:1834 110:847 111:1045 112:496 113:761
114:675 115:1002 116:860 117:781 118:1017 119:1223
120:379 121:805 122:1684 123:1179 124:1298 125:1327
128:593 129:198 130:319 131:647 132:319 133:147
134:251 135:62 136:220 137:243 138:345 139:183
140:172 141:293 142:523 143:368 144:483 145:93
146:501 147:377 148:685 149:365 150:157 151:526
152:416 153:194 154:43 155:387 156:256 157:344
158:271 159:630 160:334 161:399 162:368 163:190
164:573 165:444 166:329 167:579 168:994 169:132
170:1021 171:173 172:4 173:1586 174:582 175:443
176:1176 177:1863 178:1778 179:2 180:1382 181:376
182:1098 183:359 184:660 185:345 186:2444 187:1241
188:1997 189:1358 190:6591 192:6431 193:5662 194:4517
195:3483 196:1325 197:865 198:4263 199:5235 200:5982
201:2367 202:8710 203:8673 204:4441 205:2532 206:2708
207:2760 208:4058 209:3534 210:2812 211:1550 212:2082
213:1950 214:928 215:98 216:5184 217:1564 218:609
219:330 220:1266 221:547 222:312 223:443
End of report
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