* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 09 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 442490
Prefixes after maximum aggregation: 181820
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 221702
Total ASes present in the Internet Routing Table: 40063
Prefixes per ASN: 11.04
Origin-only ASes present in the Internet Routing Table: 34430
Origin ASes announcing only one prefix: 16068
Transit ASes present in the Internet Routing Table: 5625
Transit-only ASes present in the Internet Routing Table: 125
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: 950
Unregistered ASNs in the Routing Table: 163
Number of 32-bit ASNs allocated by the RIRs: 4701
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10275
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 219
Number of addresses announced to Internet: 2649183488
Equivalent to 157 /8s, 231 /16s and 85 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
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: 154924
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102392
Total APNIC prefixes after maximum aggregation: 31886
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104224
Unique aggregates announced from the APNIC address blocks: 44433
APNIC Region origin ASes present in the Internet Routing Table: 4770
APNIC Prefixes per ASN: 21.85
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 789
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: 719329024
Equivalent to 42 /8s, 224 /16s and 23 /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: 155959
Total ARIN prefixes after maximum aggregation: 78987
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156697
Unique aggregates announced from the ARIN address blocks: 72323
ARIN Region origin ASes present in the Internet Routing Table: 15535
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5919
ARIN Region transit ASes present in the Internet Routing Table: 1544
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: 1078676736
Equivalent to 64 /8s, 75 /16s and 77 /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: 115816
Total RIPE prefixes after maximum aggregation: 59229
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 119562
Unique aggregates announced from the RIPE address blocks: 76945
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: 8165
RIPE Region transit ASes present in the Internet Routing Table: 2756
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: 656084224
Equivalent to 39 /8s, 27 /16s and 13 /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: 47077
Total LACNIC prefixes after maximum aggregation: 9179
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 50984
Unique aggregates announced from the LACNIC address blocks: 23945
LACNIC Region origin ASes present in the Internet Routing Table: 1872
LACNIC Prefixes per ASN: 27.24
LACNIC Region origin ASes announcing only one prefix: 558
LACNIC Region transit ASes present in the Internet Routing Table: 342
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: 126187520
Equivalent to 7 /8s, 133 /16s and 120 /24s
Percentage of available LACNIC address space announced: 75.2
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: 10204
Total AfriNIC prefixes after maximum aggregation: 2491
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 10803
Unique aggregates announced from the AfriNIC address blocks: 3851
AfriNIC Region origin ASes present in the Internet Routing Table: 613
AfriNIC Prefixes per ASN: 17.62
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: 46256896
Equivalent to 2 /8s, 193 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2507 840 86 PT Telekomunikasi Indonesia
4766 2146 11551 628 Korea Telecom (KIX)
7545 1857 302 94 TPG Internet Pty Ltd
4755 1711 392 198 TATA Communications formerly
9829 1490 1205 40 National Internet Backbone
9583 1256 96 530 Sify Limited
7552 1116 1066 12 Vietel Corporation
24560 1067 385 164 Bharti Airtel Ltd., Telemedia
9498 1063 308 70 BHARTI Airtel Ltd.
4808 1023 2003 298 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 3038 3694 88 BellSouth.net Inc.
7029 2096 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2011 2929 125 Cox Communications Inc.
1785 1974 677 123 PaeTec Communications, Inc.
20115 1667 1610 609 Charter Communications
4323 1606 1154 396 tw telecom holdings, inc.
30036 1337 296 661 Mediacom Communications Corp
7018 1329 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 1780 544 16 Corbina telecom
34984 1132 233 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 818 288 648 Akamai Technologies European
31148 791 41 20 FreeNet ISP
6830 735 2314 436 UPC Broadband
8551 677 368 55 Bezeq International
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 2562 1418 95 Types of queries are: POCs, o
10620 2359 409 222 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1212 2664 399 Uninet S.A. de C.V.
14754 1138 153 37 Telgua
6503 1135 435 70 Axtel, S.A.B. de C.V.
18881 850 716 18 Global Village Telecom
27947 775 87 93 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 695 307 86 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 679 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 360 956 9 TEDATA
24835 276 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 209 11 7 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 3038 3694 88 BellSouth.net Inc.
28573 2562 1418 95 Types of queries are: POCs, o
17974 2507 840 86 PT Telekomunikasi Indonesia
10620 2359 409 222 Types of queries are: POCs, o
4766 2146 11551 628 Korea Telecom (KIX)
7029 2096 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2011 2929 125 Cox Communications Inc.
1785 1974 677 123 PaeTec Communications, Inc.
7545 1857 302 94 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 2562 2467 Types of queries are: POCs, o
17974 2507 2421 PT Telekomunikasi Indonesia
10620 2359 2137 Types of queries are: POCs, o
22773 2011 1886 Cox Communications Inc.
7029 2096 1884 Windstream Communications Inc
18566 2065 1883 Covad Communications Co.
1785 1974 1851 PaeTec Communications, Inc.
8402 1780 1764 Corbina telecom
7545 1857 1763 TPG Internet Pty Ltd
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 /8:18 /9:13 /10:30 /11:88 /12:249
/13:483 /14:881 /15:1558 /16:12630 /17:6635 /18:10877
/19:21748 /20:31770 /21:33593 /22:46021 /23:41275 /24:234015
/25:9 /26:11 /27:12 /28:141 /29:196 /30:104
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications Co.
6389 1742 3038 BellSouth.net Inc.
7029 1561 2096 Windstream Communications Inc
8402 1485 1780 Corbina telecom
22773 1316 2011 Cox Communications Inc.
30036 1214 1337 Mediacom Communications Corp
11492 1178 1216 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 929 1040 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:721 2:765 3:3 4:12 5:846 6:4
8:515 12:1919 13:3 14:748 15:11 16:3
17:9 20:19 23:253 24:1767 27:1437 31:1216
32:37 33:2 34:5 36:41 37:1678 38:853
39:2 40:164 41:2733 42:184 44:6 46:1760
47:2 49:614 50:672 52:12 54:29 55:9
57:30 58:1025 59:582 60:299 61:1431 62:1005
63:2035 64:4285 65:2178 66:4268 67:2061 68:1122
69:3250 70:875 71:522 72:1888 74:2553 75:407
76:287 77:1088 78:1021 79:535 80:1227 81:974
82:620 83:573 84:566 85:1155 86:470 87:962
88:526 89:1780 90:281 91:5457 92:617 93:1703
94:1865 95:1555 96:503 97:340 98:1045 99:38
100:28 101:309 103:2383 105:488 106:126 107:207
108:496 109:1793 110:855 111:1042 112:497 113:768
114:680 115:998 116:859 117:781 118:1007 119:1220
120:375 121:804 122:1691 123:1186 124:1298 125:1321
128:594 129:197 130:319 131:644 132:328 133:147
134:248 135:62 136:220 137:243 138:345 139:183
140:173 141:303 142:523 143:368 144:485 145:91
146:500 147:377 148:685 149:364 150:155 151:521
152:414 153:194 154:43 155:386 156:257 157:338
158:270 159:630 160:334 161:399 162:365 163:189
164:574 165:444 166:327 167:579 168:1005 169:132
170:1018 171:173 172:4 173:1592 174:578 175:442
176:1155 177:1872 178:2030 179:2 180:1379 181:304
182:1098 183:380 184:659 185:346 186:2418 187:1253
188:1992 189:1358 190:6614 192:6440 193:5662 194:4519
195:3469 196:1331 197:834 198:4259 199:5246 200:5947
201:2369 202:8706 203:8681 204:4437 205:2520 206:2707
207:2759 208:4054 209:3537 210:2802 211:1557 212:2056
213:1941 214:930 215:99 216:5183 217:1568 218:612
219:330 220:1267 221:545 222:313 223:443
End of report
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