* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 01 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 441061
Prefixes after maximum aggregation: 181472
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 220831
Total ASes present in the Internet Routing Table: 40018
Prefixes per ASN: 11.02
Origin-only ASes present in the Internet Routing Table: 34394
Origin ASes announcing only one prefix: 16058
Transit ASes present in the Internet Routing Table: 5617
Transit-only ASes present in the Internet Routing Table: 123
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: 962
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: 7
Prefixes from 32-bit ASNs in the Routing Table: 10111
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 214
Number of addresses announced to Internet: 2646776320
Equivalent to 157 /8s, 194 /16s and 154 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 154498
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101943
Total APNIC prefixes after maximum aggregation: 31811
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 103718
Unique aggregates announced from the APNIC address blocks: 44277
APNIC Region origin ASes present in the Internet Routing Table: 4768
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 779
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: 718400768
Equivalent to 42 /8s, 209 /16s and 237 /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: 155795
Total ARIN prefixes after maximum aggregation: 78800
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156522
Unique aggregates announced from the ARIN address blocks: 72149
ARIN Region origin ASes present in the Internet Routing Table: 15514
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5912
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: 1079706368
Equivalent to 64 /8s, 91 /16s and 3 /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: 115499
Total RIPE prefixes after maximum aggregation: 59116
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 119194
Unique aggregates announced from the RIPE address blocks: 76638
RIPE Region origin ASes present in the Internet Routing Table: 17097
RIPE Prefixes per ASN: 6.97
RIPE Region origin ASes announcing only one prefix: 8148
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: 654784768
Equivalent to 39 /8s, 7 /16s and 57 /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: 46966
Total LACNIC prefixes after maximum aggregation: 9259
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 50849
Unique aggregates announced from the LACNIC address blocks: 23876
LACNIC Region origin ASes present in the Internet Routing Table: 1873
LACNIC Prefixes per ASN: 27.15
LACNIC Region origin ASes announcing only one prefix: 564
LACNIC Region transit ASes present in the Internet Routing Table: 341
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: 2
Number of LACNIC addresses announced to Internet: 125060096
Equivalent to 7 /8s, 116 /16s and 68 /24s
Percentage of available LACNIC address space announced: 74.5
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: 9989
Total AfriNIC prefixes after maximum aggregation: 2438
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 10563
Unique aggregates announced from the AfriNIC address blocks: 3691
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 17.37
AfriNIC Region origin ASes announcing only one prefix: 188
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: 46188544
Equivalent to 2 /8s, 192 /16s and 200 /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 2500 840 86 PT Telekomunikasi Indonesia
4766 2141 11550 626 Korea Telecom (KIX)
7545 1846 301 91 TPG Internet Pty Ltd
4755 1707 392 198 TATA Communications formerly
9829 1479 1187 38 National Internet Backbone
9583 1201 90 499 Sify Limited
7552 1169 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 1809 544 16 Corbina telecom
34984 1122 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 802 280 639 Akamai Technologies European
8551 794 370 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 2485 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 939 126 86 Telgua
18881 841 716 18 Global Village Telecom
27947 775 87 96 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 695 307 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 670 274 33 LINKdotNET AS number
6713 536 615 23 Itissalat Al-MAGHRIB
8452 347 958 13 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 2485 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 2141 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 2485 2393 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.
8402 1809 1793 Corbina telecom
7545 1846 1755 TPG Internet Pty Ltd
4766 2141 1515 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.
128.0.72.0/21 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 /11:88 /12:249
/13:481 /14:872 /15:1555 /16:12612 /17:6625 /18:10819
/19:21706 /20:31802 /21:33468 /22:45777 /23:41136 /24:233209
/25:9 /26:11 /27:12 /28:137 /29:190 /30:101
/31:0 /32:141
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 1510 1809 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)
----------------------------------------------
1:703 2:768 3:3 4:9 5:837 6:3
8:514 12:1916 13:3 14:740 15:11 16:3
17:8 20:19 23:248 24:1796 27:1435 31:1191
32:39 33:2 34:5 36:43 37:1696 38:856
39:2 40:164 41:2615 42:182 44:6 46:1757
47:2 49:622 50:662 52:12 54:28 55:8
57:30 58:1025 59:561 60:291 61:1367 62:989
63:2036 64:4290 65:2175 66:4271 67:2060 68:1114
69:3266 70:874 71:525 72:1897 74:2552 75:402
76:288 77:1090 78:1015 79:581 80:1253 81:975
82:617 83:579 84:554 85:1158 86:470 87:949
88:512 89:1789 90:262 91:5455 92:618 93:1685
94:1864 95:1537 96:499 97:340 98:1051 99:38
100:28 101:311 103:2319 105:488 106:134 107:207
108:496 109:1803 110:845 111:1039 112:497 113:765
114:676 115:946 116:850 117:785 118:992 119:1222
120:374 121:700 122:1695 123:1191 124:1293 125:1316
128:597 129:193 130:318 131:648 132:324 133:144
134:248 135:62 136:218 137:240 138:343 139:179
140:171 141:300 142:524 143:363 144:480 145:90
146:517 147:359 148:684 149:360 150:154 151:550
152:414 153:194 154:33 155:362 156:257 157:344
158:272 159:628 160:332 161:399 162:374 163:190
164:572 165:446 166:360 167:576 168:1007 169:131
170:1018 171:172 172:4 173:1581 174:585 175:437
176:1132 177:1871 178:1980 179:1 180:1383 181:300
182:1095 183:354 184:660 185:328 186:2398 187:1237
188:1900 189:1402 190:6650 192:6414 193:5669 194:4522
195:3472 196:1314 197:813 198:4228 199:5235 200:5987
201:2349 202:8705 203:8664 204:4418 205:2522 206:2695
207:2759 208:4061 209:3528 210:2794 211:1558 212:2030
213:1941 214:929 215:94 216:5182 217:1579 218:593
219:302 220:1265 221:544 222:317 223:497
End of report
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