* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 14 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 439364
Prefixes after maximum aggregation: 181163
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218745
Total ASes present in the Internet Routing Table: 39942
Prefixes per ASN: 11.00
Origin-only ASes present in the Internet Routing Table: 34313
Origin ASes announcing only one prefix: 16034
Transit ASes present in the Internet Routing Table: 5621
Transit-only ASes present in the Internet Routing Table: 116
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 930
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 4607
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 9721
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 196
Number of addresses announced to Internet: 2643669504
Equivalent to 157 /8s, 147 /16s and 50 /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: 94.3
Total number of prefixes smaller than registry allocations: 153669
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101702
Total APNIC prefixes after maximum aggregation: 31789
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 103470
Unique aggregates announced from the APNIC address blocks: 44055
APNIC Region origin ASes present in the Internet Routing Table: 4774
APNIC Prefixes per ASN: 21.67
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 776
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 718036480
Equivalent to 42 /8s, 204 /16s and 94 /24s
Percentage of available APNIC address space announced: 83.9
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: 155413
Total ARIN prefixes after maximum aggregation: 78763
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156107
Unique aggregates announced from the ARIN address blocks: 71520
ARIN Region origin ASes present in the Internet Routing Table: 15478
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5876
ARIN Region transit ASes present in the Internet Routing Table: 1547
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: 1078213888
Equivalent to 64 /8s, 68 /16s and 61 /24s
Percentage of available ARIN address space announced: 57.0
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: 114449
Total RIPE prefixes after maximum aggregation: 58923
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117856
Unique aggregates announced from the RIPE address blocks: 75395
RIPE Region origin ASes present in the Internet Routing Table: 17082
RIPE Prefixes per ASN: 6.90
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2770
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: 654643456
Equivalent to 39 /8s, 5 /16s and 17 /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: 46590
Total LACNIC prefixes after maximum aggregation: 9204
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 50420
Unique aggregates announced from the LACNIC address blocks: 23810
LACNIC Region origin ASes present in the Internet Routing Table: 1849
LACNIC Prefixes per ASN: 27.27
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 328
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 124645120
Equivalent to 7 /8s, 109 /16s and 239 /24s
Percentage of available LACNIC address space announced: 74.3
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: 10728
Total AfriNIC prefixes after maximum aggregation: 2434
AfriNIC Deaggregation factor: 4.41
Prefixes being announced from the AfriNIC address blocks: 11314
Unique aggregates announced from the AfriNIC address blocks: 3785
AfriNIC Region origin ASes present in the Internet Routing Table: 606
AfriNIC Prefixes per ASN: 18.67
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.4
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: 45501440
Equivalent to 2 /8s, 182 /16s and 76 /24s
Percentage of available AfriNIC address space announced: 45.2
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 2486 838 83 PT Telekomunikasi Indonesia
4766 2116 11550 626 Korea Telecom (KIX)
7545 1828 301 89 TPG Internet Pty Ltd
4755 1699 392 194 TATA Communications formerly
9829 1454 1158 43 National Internet Backbone
9583 1287 98 535 Sify Limited
7552 1152 1070 12 Vietel Corporation
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 Bharti Airtel Ltd., Telemedia
18101 1009 135 172 Reliance Infocom Ltd Internet
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 3047 3695 94 BellSouth.net Inc.
7029 2231 1266 215 Windstream Communications Inc
18566 2077 382 183 Covad Communications Co.
22773 1992 2929 124 Cox Communications Inc.
1785 1958 677 123 PaeTec Communications, Inc.
20115 1680 1611 622 Charter Communications
4323 1609 1155 401 tw telecom holdings, inc.
30036 1329 292 691 Mediacom Communications Corp
7018 1312 10841 858 AT&T Services, Inc.
11492 1210 222 329 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 1792 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1092 233 207 BILISIM TELEKOM
12479 838 784 69 France Telecom Espana SA
13188 838 99 30 Ukraine
8551 791 370 43 Bezeq International
20940 780 272 619 Akamai Technologies European
31148 776 40 19 FreeNet ISP
6830 715 2314 436 UPC Broadband
58113 662 73 384 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 2423 1332 86 Types of queries are: POCs, o
10620 2348 404 232 Types of queries are: POCs, o
7303 1681 1147 207 Telecom Argentina S.A.
6503 1233 435 70 Axtel, S.A.B. de C.V.
8151 1203 2721 394 Uninet S.A. de C.V.
14754 944 129 86 Telgua
18881 821 716 18 Global Village Telecom
27947 767 87 95 Telconet S.A
3816 693 307 87 Types of queries are: POCs, o
7738 650 1306 35 Telecomunicacoes da Bahia S.A
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 1286 80 4 MOBITEL
24863 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 467 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 206 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3047 3695 94 BellSouth.net Inc.
17974 2486 838 83 PT Telekomunikasi Indonesia
28573 2423 1332 86 Types of queries are: POCs, o
10620 2348 404 232 Types of queries are: POCs, o
7029 2231 1266 215 Windstream Communications Inc
4766 2116 11550 626 Korea Telecom (KIX)
18566 2077 382 183 Covad Communications Co.
22773 1992 2929 124 Cox Communications Inc.
1785 1958 677 123 PaeTec Communications, Inc.
7545 1828 301 89 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 2486 2403 PT Telekomunikasi Indonesia
28573 2423 2337 Types of queries are: POCs, o
10620 2348 2116 Types of queries are: POCs, o
7029 2231 2016 Windstream Communications Inc
18566 2077 1894 Covad Communications Co.
22773 1992 1868 Cox Communications Inc.
1785 1958 1835 PaeTec Communications, Inc.
8402 1792 1776 Corbina telecom
7545 1828 1739 TPG Internet Pty Ltd
4755 1699 1505 TATA Communications formerly
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 /11:88 /12:249
/13:481 /14:869 /15:1562 /16:12593 /17:6648 /18:10863
/19:21662 /20:31559 /21:33391 /22:45527 /23:41176 /24:232020
/25:9 /26:11 /27:12 /28:144 /29:194 /30:101
/31:0 /32:144
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1750 3047 BellSouth.net Inc.
7029 1610 2231 Windstream Communications Inc
8402 1519 1792 Corbina telecom
22773 1304 1992 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1212 1329 Mediacom Communications Corp
11492 1172 1210 CABLE ONE, INC.
1785 1039 1958 PaeTec Communications, Inc.
7011 950 1198 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:686 2:757 3:3 4:13 5:701 6:3
8:506 12:1930 13:3 14:733 15:11 16:3
17:8 20:24 23:243 24:1792 27:1446 31:1189
32:39 33:2 34:5 36:27 37:1412 38:851
39:2 40:159 41:2774 42:176 44:4 46:1735
47:1 49:601 50:653 52:12 54:28 55:9
57:31 58:1003 59:577 60:292 61:1373 62:1020
63:2039 64:4298 65:2173 66:4256 67:2057 68:1107
69:3271 70:882 71:520 72:1896 74:2550 75:401
76:288 77:1088 78:1003 79:576 80:1232 81:978
82:648 83:557 84:559 85:1160 86:475 87:947
88:376 89:1749 90:262 91:5429 92:602 93:1720
94:1857 95:1589 96:497 97:336 98:1048 99:38
100:28 101:308 103:2267 105:517 106:131 107:207
108:497 109:1812 110:833 111:1034 112:493 113:748
114:682 115:963 116:863 117:793 118:993 119:1230
120:369 121:763 122:1702 123:1190 124:1289 125:1311
128:507 129:193 130:308 131:634 132:329 133:143
134:247 135:62 136:221 137:236 138:343 139:177
140:172 141:299 142:514 143:383 144:481 145:89
146:515 147:353 148:688 149:356 150:149 151:437
152:411 153:196 154:31 155:375 156:246 157:346
158:266 159:632 160:335 161:401 162:376 163:193
164:575 165:447 166:394 167:575 168:1010 169:129
170:1023 171:167 172:4 173:1584 174:583 175:426
176:1166 177:1799 178:1776 179:1 180:1375 181:274
182:1192 183:342 184:660 185:297 186:2336 187:1270
188:1909 189:1441 190:6614 192:6355 193:5680 194:4526
195:3473 196:1317 197:943 198:4144 199:5205 200:5961
201:2241 202:8659 203:8624 204:4417 205:2553 206:2692
207:2730 208:4065 209:3529 210:2793 211:1551 212:2031
213:1941 214:908 215:97 216:5177 217:1574 218:589
219:320 220:1259 221:538 222:314 223:477
End of report
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