* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 31 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 440521
Prefixes after maximum aggregation: 181519
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 220806
Total ASes present in the Internet Routing Table: 40024
Prefixes per ASN: 11.01
Origin-only ASes present in the Internet Routing Table: 34397
Origin ASes announcing only one prefix: 16057
Transit ASes present in the Internet Routing Table: 5619
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: 957
Unregistered ASNs in the Routing Table: 162
Number of 32-bit ASNs allocated by the RIRs: 4663
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10104
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 213
Number of addresses announced to Internet: 2644994048
Equivalent to 157 /8s, 167 /16s and 104 /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: 154236
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101747
Total APNIC prefixes after maximum aggregation: 31831
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 103529
Unique aggregates announced from the APNIC address blocks: 44276
APNIC Region origin ASes present in the Internet Routing Table: 4770
APNIC Prefixes per ASN: 21.70
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 783
Average APNIC Region AS path length visible: 4.1
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: 718799360
Equivalent to 42 /8s, 216 /16s and 2 /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: 155804
Total ARIN prefixes after maximum aggregation: 78825
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156537
Unique aggregates announced from the ARIN address blocks: 72163
ARIN Region origin ASes present in the Internet Routing Table: 15513
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5907
ARIN Region transit ASes present in the Internet Routing Table: 1545
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: 1079604480
Equivalent to 64 /8s, 89 /16s and 117 /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: 115260
Total RIPE prefixes after maximum aggregation: 59112
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 118935
Unique aggregates announced from the RIPE address blocks: 76647
RIPE Region origin ASes present in the Internet Routing Table: 17106
RIPE Prefixes per ASN: 6.95
RIPE Region origin ASes announcing only one prefix: 8155
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: 654720768
Equivalent to 39 /8s, 6 /16s and 63 /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: 46898
Total LACNIC prefixes after maximum aggregation: 9273
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50750
Unique aggregates announced from the LACNIC address blocks: 23867
LACNIC Region origin ASes present in the Internet Routing Table: 1871
LACNIC Prefixes per ASN: 27.12
LACNIC Region origin ASes announcing only one prefix: 564
LACNIC Region transit ASes present in the Internet Routing Table: 339
Average LACNIC Region AS path length visible: 4.0
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: 125180160
Equivalent to 7 /8s, 118 /16s and 25 /24s
Percentage of available LACNIC address space announced: 74.6
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: 9959
Total AfriNIC prefixes after maximum aggregation: 2430
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 10556
Unique aggregates announced from the AfriNIC address blocks: 3655
AfriNIC Region origin ASes present in the Internet Routing Table: 603
AfriNIC Prefixes per ASN: 17.51
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 44061696
Equivalent to 2 /8s, 160 /16s and 84 /24s
Percentage of available AfriNIC address space announced: 43.8
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 2500 840 86 PT Telekomunikasi Indonesia
4766 2140 11550 626 Korea Telecom (KIX)
7545 1846 301 91 TPG Internet Pty Ltd
4755 1707 392 198 TATA Communications formerly
9829 1461 1189 43 National Internet Backbone
9583 1200 90 499 Sify Limited
7552 1106 1066 12 Vietel Corporation
9498 1056 308 70 BHARTI Airtel Ltd.
24560 1055 385 169 Bharti Airtel Ltd., Telemedia
4808 1024 2003 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 3032 3694 87 BellSouth.net Inc.
7029 2182 1266 213 Windstream Communications Inc
18566 2067 382 183 Covad Communications Co.
22773 2006 2929 125 Cox Communications Inc.
1785 1971 677 124 PaeTec Communications, Inc.
20115 1668 1610 612 Charter Communications
4323 1604 1154 395 tw telecom holdings, inc.
30036 1321 290 669 Mediacom Communications Corp
7018 1316 10837 856 AT&T Services, Inc.
11492 1215 223 328 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 1721 544 16 Corbina telecom
34984 1120 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 800 279 637 Akamai Technologies European
8551 795 370 43 Bezeq International
31148 786 41 19 FreeNet ISP
6830 716 2314 437 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 2477 1346 92 Types of queries are: POCs, o
10620 2360 407 236 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1217 2672 398 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 940 126 86 Telgua
18881 841 716 18 Global Village Telecom
27947 774 87 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 694 307 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 669 274 33 LINKdotNET AS number
6713 536 615 23 Itissalat Al-MAGHRIB
8452 345 446 12 TEDATA
24835 275 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
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 3032 3694 87 BellSouth.net Inc.
17974 2500 840 86 PT Telekomunikasi Indonesia
28573 2477 1346 92 Types of queries are: POCs, o
10620 2360 407 236 Types of queries are: POCs, o
7029 2182 1266 213 Windstream Communications Inc
4766 2140 11550 626 Korea Telecom (KIX)
18566 2067 382 183 Covad Communications Co.
22773 2006 2929 125 Cox Communications Inc.
1785 1971 677 124 PaeTec Communications, Inc.
7545 1846 301 91 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 2500 2414 PT Telekomunikasi Indonesia
28573 2477 2385 Types of queries are: POCs, o
10620 2360 2124 Types of queries are: POCs, o
7029 2182 1969 Windstream Communications Inc
18566 2067 1884 Covad Communications Co.
22773 2006 1881 Cox Communications Inc.
1785 1971 1847 PaeTec Communications, Inc.
7545 1846 1755 TPG Internet Pty Ltd
8402 1721 1705 Corbina telecom
4766 2140 1514 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 /11:87 /12:249
/13:480 /14:873 /15:1558 /16:12610 /17:6626 /18:10821
/19:21705 /20:31689 /21:33419 /22:45740 /23:41111 /24:232899
/25:9 /26:11 /27:12 /28:138 /29:185 /30:100
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2067 Covad Communications Co.
6389 1742 3032 BellSouth.net Inc.
7029 1596 2182 Windstream Communications Inc
8402 1429 1721 Corbina telecom
22773 1313 2006 Cox Communications Inc.
30036 1201 1321 Mediacom Communications Corp
11492 1177 1215 CABLE ONE, INC.
36998 1131 1137 MOBITEL
1785 1044 1971 PaeTec Communications, Inc.
7011 931 1175 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:702 2:731 3:3 4:13 5:837 6:3
8:514 12:1919 13:3 14:740 15:11 16:3
17:8 20:19 23:247 24:1796 27:1443 31:1193
32:39 33:2 34:5 36:43 37:1700 38:856
39:2 40:164 41:2654 42:182 44:6 46:1758
47:2 49:621 50:662 52:12 54:28 55:8
57:30 58:1025 59:560 60:291 61:1365 62:987
63:2036 64:4286 65:2175 66:4272 67:2060 68:1114
69:3270 70:874 71:525 72:1897 74:2552 75:402
76:288 77:1090 78:1002 79:580 80:1253 81:975
82:617 83:579 84:555 85:1157 86:471 87:949
88:509 89:1787 90:262 91:5451 92:617 93:1683
94:1864 95:1520 96:499 97:340 98:1051 99:38
100:28 101:310 103:2329 105:488 106:134 107:207
108:496 109:1803 110:848 111:1039 112:498 113:764
114:676 115:946 116:851 117:784 118:1010 119:1222
120:374 121:699 122:1694 123:1190 124:1294 125:1313
128:590 129:193 130:318 131:647 132:325 133:144
134:248 135:62 136:218 137:240 138:343 139:179
140:171 141:300 142:523 143:362 144:479 145:90
146:517 147:360 148:684 149:359 150:154 151:548
152:414 153:194 154:33 155:382 156:257 157:344
158:271 159:627 160:331 161:399 162:373 163:190
164:572 165:444 166:360 167:576 168:1008 169:131
170:1017 171:172 172:4 173:1579 174:577 175:437
176:968 177:1857 178:1978 179:1 180:1384 181:299
182:1018 183:354 184:660 185:329 186:2391 187:1227
188:1900 189:1400 190:6639 192:6413 193:5673 194:4523
195:3472 196:1293 197:819 198:4229 199:5236 200:5976
201:2359 202:8711 203:8653 204:4414 205:2528 206:2696
207:2760 208:4056 209:3527 210:2795 211:1560 212:2040
213:1933 214:915 215:94 216:5180 217:1580 218:593
219:313 220:1264 221:544 222:317 223:498
End of report
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