* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 14 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 443686
Prefixes after maximum aggregation: 182201
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 214352
Total ASes present in the Internet Routing Table: 40095
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 34460
Origin ASes announcing only one prefix: 16084
Transit ASes present in the Internet Routing Table: 5627
Transit-only ASes present in the Internet Routing Table: 127
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: 951
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 4722
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10045
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 2634386432
Equivalent to 157 /8s, 5 /16s and 140 /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: 155219
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102550
Total APNIC prefixes after maximum aggregation: 31952
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104334
Unique aggregates announced from the APNIC address blocks: 44332
APNIC Region origin ASes present in the Internet Routing Table: 4765
APNIC Prefixes per ASN: 21.90
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 778
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: 719265792
Equivalent to 42 /8s, 223 /16s and 32 /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: 156389
Total ARIN prefixes after maximum aggregation: 79183
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157118
Unique aggregates announced from the ARIN address blocks: 72448
ARIN Region origin ASes present in the Internet Routing Table: 15560
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5932
ARIN Region transit ASes present in the Internet Routing Table: 1553
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: 1062599168
Equivalent to 63 /8s, 85 /16s and 250 /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: 116738
Total RIPE prefixes after maximum aggregation: 59261
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 120270
Unique aggregates announced from the RIPE address blocks: 69375
RIPE Region origin ASes present in the Internet Routing Table: 17108
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8162
RIPE Region transit ASes present in the Internet Routing Table: 2751
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: 656888832
Equivalent to 39 /8s, 39 /16s and 84 /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: 47016
Total LACNIC prefixes after maximum aggregation: 9266
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 50952
Unique aggregates announced from the LACNIC address blocks: 24131
LACNIC Region origin ASes present in the Internet Routing Table: 1882
LACNIC Prefixes per ASN: 27.07
LACNIC Region origin ASes announcing only one prefix: 563
LACNIC Region transit ASes present in the Internet Routing Table: 346
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: 126701568
Equivalent to 7 /8s, 141 /16s and 80 /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: 10191
Total AfriNIC prefixes after maximum aggregation: 2491
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 10793
Unique aggregates announced from the AfriNIC address blocks: 3862
AfriNIC Region origin ASes present in the Internet Routing Table: 617
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: 3.7
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: 46217728
Equivalent to 2 /8s, 193 /16s and 58 /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 2145 11550 627 Korea Telecom (KIX)
7545 1879 320 109 TPG Internet Pty Ltd
4755 1713 392 198 TATA Communications formerly
9829 1495 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 2012 2929 125 Cox Communications Inc.
1785 1971 676 122 PaeTec Communications, Inc.
20115 1668 1610 610 Charter Communications
4323 1607 1154 396 tw telecom holdings, inc.
30036 1338 296 661 Mediacom Communications Corp
7018 1329 10840 868 AT&T Services, Inc.
11492 1219 225 333 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 1766 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1144 233 207 BILISIM TELEKOM
12479 845 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 813 288 647 Akamai Technologies European
8551 801 370 43 Bezeq International
31148 793 41 21 FreeNet ISP
6830 752 2318 442 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 2601 1433 99 Types of queries are: POCs, o
10620 2365 409 219 Types of queries are: POCs, o
7303 1674 1153 211 Telecom Argentina S.A.
8151 1215 2686 393 Uninet S.A. de C.V.
14754 1132 153 37 Telgua
6503 895 435 70 Axtel, S.A.B. de C.V.
18881 850 716 18 Global Village Telecom
27947 779 88 97 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 692 274 33 LINKdotNET AS number
6713 535 617 25 Itissalat Al-MAGHRIB
8452 355 956 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
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 2601 1433 99 Types of queries are: POCs, o
17974 2509 840 86 PT Telekomunikasi Indonesia
10620 2365 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 2012 2929 125 Cox Communications Inc.
1785 1971 676 122 PaeTec Communications, Inc.
7545 1879 320 109 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 2601 2502 Types of queries are: POCs, o
17974 2509 2423 PT Telekomunikasi Indonesia
10620 2365 2146 Types of queries are: POCs, o
7029 2119 1907 Windstream Communications Inc
22773 2012 1887 Cox Communications Inc.
18566 2065 1883 Covad Communications Co.
1785 1971 1849 PaeTec Communications, Inc.
7545 1879 1770 TPG Internet Pty Ltd
8402 1766 1750 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
128.0.72.0/21 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 /12:250
/13:483 /14:882 /15:1559 /16:12643 /17:6639 /18:10889
/19:21744 /20:31852 /21:33633 /22:46222 /23:41345 /24:234802
/25:9 /26:11 /27:12 /28:140 /29:188 /30:107
/31:0 /32:127
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 1467 1766 Corbina telecom
22773 1317 2012 Cox Communications Inc.
30036 1215 1338 Mediacom Communications Corp
11492 1179 1219 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1046 1971 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)
----------------------------------------------
1:727 2:748 3:3 4:12 5:863 6:4
8:536 12:1921 13:3 14:729 15:11 16:3
17:9 20:18 23:255 24:1771 27:1450 31:1224
32:38 33:2 34:5 36:43 37:1802 38:855
39:2 40:169 41:2691 42:184 44:6 46:1778
47:2 49:620 50:667 52:12 54:30 55:8
57:30 58:1025 59:584 60:300 61:1424 62:1000
63:2030 64:4300 65:2174 66:4294 67:2072 68:1117
69:3245 70:876 71:527 72:1916 74:2565 75:411
76:293 77:1067 78:1042 79:583 80:1220 81:974
82:620 83:579 84:563 85:1163 86:461 87:957
88:522 89:1784 90:281 91:5487 92:609 93:1722
94:1870 95:1610 96:503 97:340 98:1048 99:38
100:28 101:310 103:2393 105:488 106:135 107:207
108:497 109:1807 110:842 111:1044 112:499 113:779
114:680 115:1000 116:854 117:779 118:1017 119:1195
120:382 121:804 122:1692 123:1180 124:1297 125:1327
128:597 129:198 130:309 131:648 132:332 133:147
134:250 135:62 136:221 137:245 138:343 139:184
140:172 141:303 142:523 143:364 144:471 145:91
146:499 147:380 148:678 149:366 150:154 151:526
152:417 153:194 154:43 155:393 156:257 157:346
158:267 159:633 160:338 161:400 162:367 163:190
164:556 165:444 166:332 167:578 168:1019 169:132
170:1029 171:174 172:5 173:1608 174:584 175:443
176:1227 177:1849 178:1798 179:2 180:1387 181:377
182:1098 183:345 184:661 185:352 186:2447 187:1210
188:2010 189:1188 190:6646 192:6433 193:5836 194:4645
195:3643 196:1334 197:884 198:4270 199:5241 200:5954
201:2355 202:8704 203:8678 204:4452 205:2531 206:2727
207:2762 208:4056 209:3557 210:2816 211:1557 212:2067
213:1919 214:924 215:98 216:5216 217:1565 218:611
219:330 220:1265 221:548 222:312 223:440
End of report
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