* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 16 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 444462
Prefixes after maximum aggregation: 182286
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 214318
Total ASes present in the Internet Routing Table: 40116
Prefixes per ASN: 11.08
Origin-only ASes present in the Internet Routing Table: 34478
Origin ASes announcing only one prefix: 16095
Transit ASes present in the Internet Routing Table: 5630
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 21
Prefixes from unregistered ASNs in the Routing Table: 950
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 4725
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10068
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 2634498304
Equivalent to 157 /8s, 7 /16s and 65 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
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: 155624
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102708
Total APNIC prefixes after maximum aggregation: 31963
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104514
Unique aggregates announced from the APNIC address blocks: 44442
APNIC Region origin ASes present in the Internet Routing Table: 4767
APNIC Prefixes per ASN: 21.92
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 780
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: 719240192
Equivalent to 42 /8s, 222 /16s and 188 /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: 156526
Total ARIN prefixes after maximum aggregation: 79207
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157247
Unique aggregates announced from the ARIN address blocks: 72451
ARIN Region origin ASes present in the Internet Routing Table: 15569
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5938
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: 1062682112
Equivalent to 63 /8s, 87 /16s and 62 /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: 116869
Total RIPE prefixes after maximum aggregation: 59297
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120414
Unique aggregates announced from the RIPE address blocks: 69221
RIPE Region origin ASes present in the Internet Routing Table: 17118
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8165
RIPE Region transit ASes present in the Internet Routing Table: 2758
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 657040128
Equivalent to 39 /8s, 41 /16s and 163 /24s
Percentage of available RIPE address space announced: 95.5
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: 47261
Total LACNIC prefixes after maximum aggregation: 9270
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 51209
Unique aggregates announced from the LACNIC address blocks: 24140
LACNIC Region origin ASes present in the Internet Routing Table: 1883
LACNIC Prefixes per ASN: 27.20
LACNIC Region origin ASes announcing only one prefix: 561
LACNIC Region transit ASes present in the Internet Routing Table: 344
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: 126647552
Equivalent to 7 /8s, 140 /16s and 125 /24s
Percentage of available LACNIC address space announced: 75.5
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: 10269
Total AfriNIC prefixes after maximum aggregation: 2501
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 10859
Unique aggregates announced from the AfriNIC address blocks: 3860
AfriNIC Region origin ASes present in the Internet Routing Table: 619
AfriNIC Prefixes per ASN: 17.54
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 46174976
Equivalent to 2 /8s, 192 /16s and 147 /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 2508 839 89 PT Telekomunikasi Indonesia
4766 2145 11550 627 Korea Telecom (KIX)
7545 1878 320 108 TPG Internet Pty Ltd
4755 1713 392 198 TATA Communications formerly
9829 1488 1205 40 National Internet Backbone
9583 1259 96 532 Sify Limited
7552 1168 1066 12 Vietel Corporation
9498 1066 308 69 BHARTI Airtel Ltd.
24560 1064 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 2119 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2016 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
20115 1668 1610 610 Charter Communications
4323 1608 1154 397 tw telecom holdings, inc.
30036 1340 296 660 Mediacom Communications Corp
7018 1328 10840 867 AT&T Services, Inc.
11492 1237 227 333 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 1783 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1144 233 207 BILISIM TELEKOM
12479 844 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 811 286 647 Akamai Technologies European
8551 801 370 43 Bezeq International
31148 793 41 21 FreeNet ISP
6830 753 2318 441 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 2604 1433 99 Types of queries are: POCs, o
10620 2374 409 219 Types of queries are: POCs, o
7303 1676 1153 211 Telecom Argentina S.A.
8151 1216 2686 394 Uninet S.A. de C.V.
14754 1134 154 38 Telgua
6503 1106 435 70 Axtel, S.A.B. de C.V.
18881 851 716 18 Global Village Telecom
27947 779 88 97 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 699 307 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 694 274 33 LINKdotNET AS number
6713 536 617 25 Itissalat Al-MAGHRIB
8452 359 956 9 TEDATA
24835 275 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
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 3037 3694 87 BellSouth.net Inc.
28573 2604 1433 99 Types of queries are: POCs, o
17974 2508 839 89 PT Telekomunikasi Indonesia
10620 2374 409 219 Types of queries are: POCs, o
4766 2145 11550 627 Korea Telecom (KIX)
7029 2119 1265 212 Windstream Communications Inc
18566 2065 381 182 Covad Communications Co.
22773 2016 2929 125 Cox Communications Inc.
1785 1973 677 122 PaeTec Communications, Inc.
7545 1878 320 108 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 2604 2505 Types of queries are: POCs, o
17974 2508 2419 PT Telekomunikasi Indonesia
10620 2374 2155 Types of queries are: POCs, o
7029 2119 1907 Windstream Communications Inc
22773 2016 1891 Cox Communications Inc.
18566 2065 1883 Covad Communications Co.
1785 1973 1851 PaeTec Communications, Inc.
7545 1878 1770 TPG Internet Pty Ltd
8402 1783 1767 Corbina telecom
4766 2145 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
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
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 /12:250
/13:483 /14:881 /15:1560 /16:12641 /17:6640 /18:10894
/19:21770 /20:31843 /21:33665 /22:46272 /23:41374 /24:235443
/25:9 /26:11 /27:12 /28:141 /29:188 /30:107
/31:0 /32:129
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 1579 2119 Windstream Communications Inc
8402 1487 1783 Corbina telecom
22773 1320 2016 Cox Communications Inc.
30036 1215 1340 Mediacom Communications Corp
11492 1197 1237 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1047 1973 PaeTec Communications, Inc.
6983 1006 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:731 2:761 3:3 4:12 5:860 6:5
8:538 12:1920 13:3 14:747 15:11 16:3
17:9 20:18 23:257 24:1772 27:1455 31:1225
32:38 33:2 34:5 36:43 37:1807 38:856
39:2 40:169 41:2750 42:184 44:6 46:1778
47:2 49:614 50:664 52:12 54:30 55:7
57:30 58:1021 59:585 60:301 61:1433 62:1007
63:2025 64:4305 65:2178 66:4304 67:2073 68:1118
69:3243 70:875 71:527 72:1916 74:2567 75:411
76:294 77:1099 78:1037 79:590 80:1238 81:981
82:621 83:579 84:567 85:1165 86:465 87:962
88:527 89:1793 90:281 91:5493 92:618 93:1731
94:1852 95:1617 96:503 97:340 98:1050 99:38
100:28 101:316 103:2411 105:488 106:136 107:207
108:497 109:1797 110:841 111:1043 112:498 113:780
114:681 115:999 116:855 117:778 118:1020 119:1219
120:382 121:806 122:1694 123:1186 124:1298 125:1325
128:596 129:198 130:309 131:650 132:332 133:148
134:246 135:62 136:222 137:245 138:343 139:185
140:172 141:303 142:523 143:376 144:498 145:91
146:501 147:382 148:684 149:366 150:158 151:526
152:417 153:194 154:43 155:392 156:257 157:346
158:267 159:632 160:338 161:400 162:367 163:190
164:574 165:444 166:332 167:577 168:1020 169:132
170:1031 171:174 172:5 173:1603 174:589 175:445
176:1229 177:1850 178:1806 179:2 180:1390 181:381
182:1093 183:370 184:659 185:365 186:2443 187:1248
188:2011 189:1314 190:6631 192:6450 193:5826 194:4643
195:3647 196:1341 197:886 198:4276 199:5242 200:5966
201:2402 202:8709 203:8672 204:4454 205:2535 206:2724
207:2763 208:4061 209:3564 210:2820 211:1557 212:2065
213:1897 214:939 215:98 216:5208 217:1572 218:611
219:329 220:1266 221:548 222:311 223:440
End of report
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