* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 04 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 434699
Prefixes after maximum aggregation: 179697
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216510
Total ASes present in the Internet Routing Table: 39691
Prefixes per ASN: 10.95
Origin-only ASes present in the Internet Routing Table: 34127
Origin ASes announcing only one prefix: 15945
Transit ASes present in the Internet Routing Table: 5564
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: 44
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 969
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 3733
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9112
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 198
Number of addresses announced to Internet: 2635313424
Equivalent to 157 /8s, 19 /16s and 177 /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: 94.3
Total number of prefixes smaller than registry allocations: 151854
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100500
Total APNIC prefixes after maximum aggregation: 31680
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 102169
Unique aggregates announced from the APNIC address blocks: 43673
APNIC Region origin ASes present in the Internet Routing Table: 4770
APNIC Prefixes per ASN: 21.42
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 775
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 716654592
Equivalent to 42 /8s, 183 /16s and 72 /24s
Percentage of available APNIC address space announced: 83.8
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: 153920
Total ARIN prefixes after maximum aggregation: 78189
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154600
Unique aggregates announced from the ARIN address blocks: 70786
ARIN Region origin ASes present in the Internet Routing Table: 15367
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5828
ARIN Region transit ASes present in the Internet Routing Table: 1535
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1075697920
Equivalent to 64 /8s, 29 /16s and 217 /24s
Percentage of available ARIN address space announced: 56.9
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: 113769
Total RIPE prefixes after maximum aggregation: 58426
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116883
Unique aggregates announced from the RIPE address blocks: 74812
RIPE Region origin ASes present in the Internet Routing Table: 17029
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8156
RIPE Region transit ASes present in the Internet Routing Table: 2725
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 44
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 652965136
Equivalent to 38 /8s, 235 /16s and 117 /24s
Percentage of available RIPE address space announced: 94.9
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: 45989
Total LACNIC prefixes after maximum aggregation: 8937
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 49604
Unique aggregates announced from the LACNIC address blocks: 23351
LACNIC Region origin ASes present in the Internet Routing Table: 1779
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 515
LACNIC Region transit ASes present in the Internet Routing Table: 316
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: 0
Number of LACNIC addresses announced to Internet: 123101696
Equivalent to 7 /8s, 86 /16s and 98 /24s
Percentage of available LACNIC address space announced: 73.4
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: 10646
Total AfriNIC prefixes after maximum aggregation: 2413
AfriNIC Deaggregation factor: 4.41
Prefixes being announced from the AfriNIC address blocks: 11244
Unique aggregates announced from the AfriNIC address blocks: 3710
AfriNIC Region origin ASes present in the Internet Routing Table: 591
AfriNIC Prefixes per ASN: 19.03
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: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 44282112
Equivalent to 2 /8s, 163 /16s and 177 /24s
Percentage of available AfriNIC address space announced: 44.0
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 2456 828 53 PT Telekomunikasi Indonesia
4766 2115 11549 626 Korea Telecom (KIX)
7545 1820 301 88 TPG Internet Pty Ltd
4755 1659 382 187 TATA Communications formerly
9829 1425 1150 45 National Internet Backbone
9583 1199 90 507 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1054 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 Bharti Airtel Ltd., Telemedia
18101 1016 135 170 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 3092 3699 115 BellSouth.net Inc.
7029 2273 1265 211 Windstream Communications Inc
18566 2077 382 181 Covad Communications Co.
22773 1964 2931 128 Cox Communications Inc.
1785 1950 678 124 PaeTec Communications, Inc.
20115 1687 1608 624 Charter Communications
4323 1596 1171 394 tw telecom holdings, inc.
30036 1344 287 701 Mediacom Communications Corp
7018 1305 10583 865 AT&T Services, Inc.
7011 1198 314 681 Frontier Communications of Am
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 1802 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 977 231 207 BILISIM TELEKOM
13188 841 99 22 Ukraine
12479 836 778 65 France Telecom Espana SA
31148 755 39 18 FreeNet ISP
20940 740 251 589 Akamai Technologies European
8551 732 367 39 Bezeq International
6830 714 2313 435 UPC Broadband
58113 632 70 377 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 2325 1315 81 Types of queries are: POCs, o
10620 2308 395 224 Types of queries are: POCs, o
7303 1679 1147 206 Telecom Argentina S.A.
6503 1465 435 69 Axtel, S.A.B. de C.V.
8151 1394 2897 375 Uninet S.A. de C.V.
14754 910 115 72 Telgua
18881 756 716 18 Global Village Telecom
27947 753 86 91 Telconet S.A
3816 676 307 85 Types of queries are: POCs, o
11172 604 102 67 Alestra, S. de R.L. de C.V.
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 898 275 36 LINKdotNET AS number
8452 537 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 201 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 3092 3699 115 BellSouth.net Inc.
17974 2456 828 53 PT Telekomunikasi Indonesia
28573 2325 1315 81 Types of queries are: POCs, o
10620 2308 395 224 Types of queries are: POCs, o
7029 2273 1265 211 Windstream Communications Inc
4766 2115 11549 626 Korea Telecom (KIX)
18566 2077 382 181 Covad Communications Co.
22773 1964 2931 128 Cox Communications Inc.
1785 1950 678 124 PaeTec Communications, Inc.
7545 1820 301 88 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 2456 2403 PT Telekomunikasi Indonesia
28573 2325 2244 Types of queries are: POCs, o
10620 2308 2084 Types of queries are: POCs, o
7029 2273 2062 Windstream Communications Inc
18566 2077 1896 Covad Communications Co.
22773 1964 1836 Cox Communications Inc.
1785 1950 1826 PaeTec Communications, Inc.
8402 1802 1786 Corbina telecom
7545 1820 1732 TPG Internet Pty Ltd
4766 2115 1489 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.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
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
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
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.
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 /12:247
/13:479 /14:867 /15:1553 /16:12504 /17:6618 /18:10884
/19:21718 /20:31071 /21:33148 /22:44765 /23:40352 /24:229740
/25:9 /26:11 /27:11 /28:143 /29:188 /30:99
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2027 2077 Covad Communications Co.
6389 1768 3092 BellSouth.net Inc.
7029 1636 2273 Windstream Communications Inc
8402 1543 1802 Corbina telecom
22773 1291 1964 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1237 1344 Mediacom Communications Corp
11492 1158 1195 CABLE ONE, INC.
1785 1032 1950 PaeTec Communications, Inc.
6503 979 1465 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:647 2:732 3:3 4:13 5:738 6:3
8:486 12:1935 13:3 14:698 15:11 16:3
17:8 20:24 23:239 24:1794 27:1479 31:1135
32:49 33:2 34:5 36:10 37:1232 38:840
39:2 40:139 41:2811 42:179 44:4 46:1710
47:1 49:545 50:637 52:12 54:28 55:6
57:31 58:998 59:555 60:246 61:1305 62:1045
63:2025 64:4335 65:2153 66:4261 67:2017 68:1118
69:3223 70:859 71:534 72:1877 74:2530 75:421
76:291 77:1056 78:1019 79:551 80:1210 81:989
82:648 83:534 84:581 85:1147 86:478 87:983
88:371 89:1734 90:286 91:5387 92:615 93:1709
94:2018 95:1609 96:489 97:333 98:1052 99:49
100:29 101:302 103:2049 105:519 106:131 107:208
108:490 109:1749 110:827 111:999 112:481 113:718
114:679 115:910 116:859 117:772 118:981 119:1229
120:335 121:688 122:1691 123:1176 124:1278 125:1306
128:500 129:188 130:298 131:621 132:317 133:143
134:243 135:62 136:218 137:232 138:340 139:153
140:187 141:301 142:494 143:363 144:470 145:89
146:520 147:329 148:708 149:340 150:151 151:327
152:398 153:190 154:24 155:361 156:237 157:349
158:259 159:626 160:334 161:393 162:370 163:189
164:577 165:456 166:457 167:573 168:1007 169:129
170:1010 171:163 172:4 173:1544 174:612 175:424
176:1022 177:1625 178:1719 180:1369 181:219 182:1146
183:318 184:641 185:198 186:2181 187:1470 188:1944
189:1527 190:6601 192:6232 193:5673 194:4648 195:3665
196:1301 197:889 198:4058 199:5155 200:5916 201:2172
202:8624 203:8671 204:4392 205:2523 206:2704 207:2720
208:4052 209:3507 210:2795 211:1562 212:2009 213:1884
214:897 215:93 216:5065 217:1589 218:578 219:307
220:1263 221:547 222:335 223:413
End of report
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