* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 25 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 433470
Prefixes after maximum aggregation: 179398
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 216277
Total ASes present in the Internet Routing Table: 39635
Prefixes per ASN: 10.94
Origin-only ASes present in the Internet Routing Table: 34086
Origin ASes announcing only one prefix: 15939
Transit ASes present in the Internet Routing Table: 5549
Transit-only ASes present in the Internet Routing Table: 117
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: 975
Unregistered ASNs in the Routing Table: 169
Number of 32-bit ASNs allocated by the RIRs: 3692
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9062
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 197
Number of addresses announced to Internet: 2649667600
Equivalent to 157 /8s, 238 /16s and 184 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.2
Total number of prefixes smaller than registry allocations: 151249
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100318
Total APNIC prefixes after maximum aggregation: 31596
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 101953
Unique aggregates announced from the APNIC address blocks: 43687
APNIC Region origin ASes present in the Internet Routing Table: 4773
APNIC Prefixes per ASN: 21.36
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 767
Average APNIC Region AS path length visible: 4.0
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: 715964672
Equivalent to 42 /8s, 172 /16s and 193 /24s
Percentage of available APNIC address space announced: 83.7
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: 153879
Total ARIN prefixes after maximum aggregation: 78105
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154553
Unique aggregates announced from the ARIN address blocks: 70784
ARIN Region origin ASes present in the Internet Routing Table: 15340
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5814
ARIN Region transit ASes present in the Internet Routing Table: 1532
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: 1091743488
Equivalent to 65 /8s, 18 /16s and 175 /24s
Percentage of available ARIN address space announced: 57.8
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: 113559
Total RIPE prefixes after maximum aggregation: 58280
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 116627
Unique aggregates announced from the RIPE address blocks: 74440
RIPE Region origin ASes present in the Internet Routing Table: 17010
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8150
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: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653026064
Equivalent to 38 /8s, 236 /16s and 99 /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: 45573
Total LACNIC prefixes after maximum aggregation: 8972
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 49232
Unique aggregates announced from the LACNIC address blocks: 23495
LACNIC Region origin ASes present in the Internet Routing Table: 1775
LACNIC Prefixes per ASN: 27.74
LACNIC Region origin ASes announcing only one prefix: 521
LACNIC Region transit ASes present in the Internet Routing Table: 318
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: 122232832
Equivalent to 7 /8s, 73 /16s and 32 /24s
Percentage of available LACNIC address space announced: 72.9
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: 10321
Total AfriNIC prefixes after maximum aggregation: 2393
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 10907
Unique aggregates announced from the AfriNIC address blocks: 3694
AfriNIC Region origin ASes present in the Internet Routing Table: 590
AfriNIC Prefixes per ASN: 18.49
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.3
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: 44084480
Equivalent to 2 /8s, 160 /16s and 173 /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 2456 828 53 PT Telekomunikasi Indonesia
4766 2117 11549 624 Korea Telecom (KIX)
7545 1821 301 89 TPG Internet Pty Ltd
4755 1647 380 173 TATA Communications formerly
9829 1419 1152 45 National Internet Backbone
9583 1191 89 507 Sify Limited
7552 1131 1070 12 Vietel Corporation
9498 1051 310 74 BHARTI Airtel Ltd.
24560 1040 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 3098 3700 117 BellSouth.net Inc.
7029 2284 1265 211 Windstream Communications Inc
18566 2078 382 178 Covad Communications Co.
22773 1961 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
20115 1686 1606 626 Charter Communications
4323 1595 1171 393 tw telecom holdings, inc.
30036 1353 288 692 Mediacom Communications Corp
7018 1305 10582 867 AT&T Services, Inc.
7011 1208 321 687 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 1826 544 16 Corbina telecom
2118 1432 97 13 EUnet/RELCOM Autonomous Syste
34984 930 231 209 BILISIM TELEKOM
13188 840 99 22 Ukraine
12479 833 778 65 France Telecom Espana SA
31148 744 38 14 FreeNet ISP
8551 731 367 39 Bezeq International
20940 724 244 577 Akamai Technologies European
6830 714 2313 435 UPC Broadband
58113 633 70 378 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 2310 1315 81 Types of queries are: POCs, o
10620 2297 393 225 Types of queries are: POCs, o
7303 1671 1139 205 Telecom Argentina S.A.
6503 1447 435 69 Axtel, S.A.B. de C.V.
8151 1396 2899 364 Uninet S.A. de C.V.
18881 755 716 18 Global Village Telecom
27947 747 86 91 Telconet S.A
14754 723 77 161 Telgua
3816 672 307 85 Types of queries are: POCs, o
11172 603 102 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 971 80 4 MOBITEL
24863 896 275 36 LINKdotNET AS number
8452 553 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 282 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 210 11 5 Data Telecom Service
15399 198 29 7 Wananchi Online Limited
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
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 3098 3700 117 BellSouth.net Inc.
17974 2456 828 53 PT Telekomunikasi Indonesia
28573 2310 1315 81 Types of queries are: POCs, o
10620 2297 393 225 Types of queries are: POCs, o
7029 2284 1265 211 Windstream Communications Inc
4766 2117 11549 624 Korea Telecom (KIX)
18566 2078 382 178 Covad Communications Co.
22773 1961 2931 128 Cox Communications Inc.
1785 1947 677 123 PaeTec Communications, Inc.
8402 1826 544 16 Corbina telecom
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 2310 2229 Types of queries are: POCs, o
7029 2284 2073 Windstream Communications Inc
10620 2297 2072 Types of queries are: POCs, o
18566 2078 1900 Covad Communications Co.
22773 1961 1833 Cox Communications Inc.
1785 1947 1824 PaeTec Communications, Inc.
8402 1826 1810 Corbina telecom
7545 1821 1732 TPG Internet Pty Ltd
4766 2117 1493 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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
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
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 /8:19 /9:13 /10:30 /11:88 /12:247
/13:477 /14:867 /15:1558 /16:12481 /17:6609 /18:10847
/19:21658 /20:31070 /21:33034 /22:44345 /23:40285 /24:229245
/25:9 /26:11 /27:11 /28:141 /29:185 /30:98
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2028 2078 Covad Communications Co.
6389 1770 3098 BellSouth.net Inc.
7029 1641 2284 Windstream Communications Inc
8402 1540 1826 Corbina telecom
22773 1292 1961 Cox Communications Inc.
30036 1247 1353 Mediacom Communications Corp
11492 1157 1194 CABLE ONE, INC.
1785 1030 1947 PaeTec Communications, Inc.
6503 976 1447 Axtel, S.A.B. de C.V.
36998 965 971 MOBITEL
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:667 2:759 3:3 4:13 5:726 6:3
8:487 12:1926 13:3 14:692 15:11 16:3
17:8 20:27 23:220 24:1797 27:1478 31:1147
32:49 33:2 34:5 36:9 37:1228 38:844
39:2 40:139 41:2844 42:179 44:3 46:1721
47:1 49:533 50:660 52:12 54:28 55:2
57:31 58:995 59:557 60:244 61:1301 62:1051
63:2038 64:4316 65:2156 66:4259 67:2009 68:1119
69:3224 70:859 71:535 72:1880 74:2542 75:425
76:294 77:1023 78:1026 79:561 80:1224 81:983
82:662 83:534 84:570 85:1160 86:473 87:972
88:366 89:1723 90:285 91:5378 92:608 93:1657
94:2012 95:1593 96:490 97:330 98:1052 99:49
100:29 101:304 103:2017 105:530 106:129 107:208
108:486 109:1742 110:833 111:994 112:467 113:727
114:666 115:915 116:872 117:770 118:964 119:1244
120:320 121:688 122:1691 123:1174 124:1288 125:1298
128:529 129:191 130:298 131:594 132:316 133:142
134:242 135:62 136:218 137:229 138:339 139:155
140:178 141:300 142:499 143:368 144:476 145:90
146:519 147:329 148:713 149:339 150:154 151:252
152:398 153:190 154:23 155:447 156:234 157:348
158:258 159:620 160:334 161:396 162:364 163:190
164:585 165:454 166:459 167:574 168:1000 169:129
170:1003 171:163 172:4 173:1552 174:757 175:425
176:1012 177:1644 178:1683 180:1373 181:214 182:1154
183:313 184:632 185:180 186:2219 187:1477 188:1895
189:1547 190:6460 192:6112 193:5844 194:4674 195:3662
196:1273 197:574 198:4024 199:5142 200:5948 201:2146
202:8607 203:8660 204:4397 205:2529 206:2709 207:2719
208:4055 209:3503 210:2789 211:1556 212:2025 213:1877
214:902 215:91 216:5039 217:1574 218:584 219:306
220:1264 221:528 222:331 223:406
End of report
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