* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 14 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 436332
Prefixes after maximum aggregation: 180080
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 217151
Total ASes present in the Internet Routing Table: 39743
Prefixes per ASN: 10.98
Origin-only ASes present in the Internet Routing Table: 34174
Origin ASes announcing only one prefix: 15962
Transit ASes present in the Internet Routing Table: 5569
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 971
Unregistered ASNs in the Routing Table: 168
Number of 32-bit ASNs allocated by the RIRs: 3750
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 9221
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2636630544
Equivalent to 157 /8s, 39 /16s and 202 /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: 152569
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 100750
Total APNIC prefixes after maximum aggregation: 31684
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 102447
Unique aggregates announced from the APNIC address blocks: 43998
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.50
APNIC Region origin ASes announcing only one prefix: 1258
APNIC Region transit ASes present in the Internet Routing Table: 770
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: 717195008
Equivalent to 42 /8s, 191 /16s and 135 /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: 154158
Total ARIN prefixes after maximum aggregation: 78296
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154861
Unique aggregates announced from the ARIN address blocks: 70929
ARIN Region origin ASes present in the Internet Routing Table: 15388
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5840
ARIN Region transit ASes present in the Internet Routing Table: 1536
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: 0
Number of ARIN addresses announced to Internet: 1075792128
Equivalent to 64 /8s, 31 /16s and 73 /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: 114390
Total RIPE prefixes after maximum aggregation: 58603
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 117548
Unique aggregates announced from the RIPE address blocks: 74768
RIPE Region origin ASes present in the Internet Routing Table: 17042
RIPE Prefixes per ASN: 6.90
RIPE Region origin ASes announcing only one prefix: 8156
RIPE Region transit ASes present in the Internet Routing Table: 2734
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 653420560
Equivalent to 38 /8s, 242 /16s and 104 /24s
Percentage of available RIPE address space announced: 95.0
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: 46364
Total LACNIC prefixes after maximum aggregation: 9026
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 49995
Unique aggregates announced from the LACNIC address blocks: 23554
LACNIC Region origin ASes present in the Internet Routing Table: 1803
LACNIC Prefixes per ASN: 27.73
LACNIC Region origin ASes announcing only one prefix: 526
LACNIC Region transit ASes present in the Internet Routing Table: 326
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: 122891520
Equivalent to 7 /8s, 83 /16s and 45 /24s
Percentage of available LACNIC address space announced: 73.2
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: 10679
Total AfriNIC prefixes after maximum aggregation: 2419
AfriNIC Deaggregation factor: 4.41
Prefixes being announced from the AfriNIC address blocks: 11287
Unique aggregates announced from the AfriNIC address blocks: 3727
AfriNIC Region origin ASes present in the Internet Routing Table: 597
AfriNIC Prefixes per ASN: 18.91
AfriNIC Region origin ASes announcing only one prefix: 182
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 0
Number of AfriNIC addresses announced to Internet: 44721664
Equivalent to 2 /8s, 170 /16s and 102 /24s
Percentage of available AfriNIC address space announced: 44.4
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 2468 820 79 PT Telekomunikasi Indonesia
4766 2123 11551 628 Korea Telecom (KIX)
7545 1818 301 89 TPG Internet Pty Ltd
4755 1660 382 189 TATA Communications formerly
9829 1429 1144 44 National Internet Backbone
9583 1196 90 504 Sify Limited
7552 1151 1070 12 Vietel Corporation
9498 1060 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 Bharti Airtel Ltd., Telemedia
18101 1008 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 3072 3697 106 BellSouth.net Inc.
7029 2166 1265 211 Windstream Communications Inc
18566 2076 382 183 Covad Communications Co.
22773 1985 2931 128 Cox Communications Inc.
1785 1955 677 126 PaeTec Communications, Inc.
20115 1689 1609 621 Charter Communications
4323 1600 1171 396 tw telecom holdings, inc.
30036 1341 287 688 Mediacom Communications Corp
7018 1306 10584 862 AT&T Services, Inc.
7011 1201 316 683 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 1804 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1055 232 207 BILISIM TELEKOM
13188 851 99 22 Ukraine
12479 845 783 70 France Telecom Espana SA
31148 758 39 18 FreeNet ISP
20940 748 254 593 Akamai Technologies European
8551 730 367 39 Bezeq International
6830 713 2313 434 UPC Broadband
34744 670 185 43 SC GVM SISTEM 2003 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 2360 1325 86 Types of queries are: POCs, o
10620 2318 397 223 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 1356 2811 389 Uninet S.A. de C.V.
14754 940 121 78 Telgua
18881 760 716 18 Global Village Telecom
27947 757 86 95 Telconet S.A
3816 683 305 91 Types of queries are: POCs, o
7738 613 1242 34 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 898 275 36 LINKdotNET AS number
8452 544 958 13 TEDATA
6713 502 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
37054 207 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 178 696 91 MTN Network Solutions
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 3072 3697 106 BellSouth.net Inc.
17974 2468 820 79 PT Telekomunikasi Indonesia
28573 2360 1325 86 Types of queries are: POCs, o
10620 2318 397 223 Types of queries are: POCs, o
7029 2166 1265 211 Windstream Communications Inc
4766 2123 11551 628 Korea Telecom (KIX)
18566 2076 382 183 Covad Communications Co.
22773 1985 2931 128 Cox Communications Inc.
1785 1955 677 126 PaeTec Communications, Inc.
7545 1818 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 2468 2389 PT Telekomunikasi Indonesia
28573 2360 2274 Types of queries are: POCs, o
10620 2318 2095 Types of queries are: POCs, o
7029 2166 1955 Windstream Communications Inc
18566 2076 1893 Covad Communications Co.
22773 1985 1857 Cox Communications Inc.
1785 1955 1829 PaeTec Communications, Inc.
8402 1804 1788 Corbina telecom
7545 1818 1729 TPG Internet Pty Ltd
4766 2123 1495 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
41.138.95.0/24 36930 ZanZibar Telecom
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.
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
/13:481 /14:862 /15:1551 /16:12511 /17:6609 /18:10906
/19:21705 /20:31185 /21:33126 /22:45040 /23:40692 /24:230660
/25:9 /26:11 /27:11 /28:144 /29:189 /30:101
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2026 2076 Covad Communications Co.
6389 1759 3072 BellSouth.net Inc.
7029 1550 2166 Windstream Communications Inc
8402 1539 1804 Corbina telecom
22773 1303 1985 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1232 1341 Mediacom Communications Corp
11492 1159 1196 CABLE ONE, INC.
1785 1035 1955 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)
----------------------------------------------
1:633 2:754 3:3 4:13 5:753 6:3
8:493 12:1933 13:3 14:716 15:11 16:3
17:8 20:24 23:240 24:1795 27:1467 31:1146
32:49 33:2 34:5 36:11 37:1302 38:840
39:2 40:141 41:2786 42:178 44:4 46:1723
47:1 49:579 50:645 52:12 54:28 55:9
57:31 58:999 59:557 60:246 61:1306 62:1051
63:2026 64:4319 65:2140 66:4267 67:2027 68:1121
69:3260 70:858 71:524 72:1874 74:2534 75:421
76:291 77:1068 78:1021 79:561 80:1216 81:973
82:643 83:545 84:559 85:1154 86:476 87:983
88:382 89:1733 90:287 91:5416 92:623 93:1696
94:2055 95:1593 96:506 97:335 98:1034 99:49
100:29 101:312 103:2101 105:519 106:131 107:207
108:493 109:1769 110:831 111:1007 112:484 113:724
114:678 115:909 116:858 117:780 118:983 119:1225
120:367 121:682 122:1698 123:1181 124:1285 125:1309
128:503 129:189 130:303 131:625 132:315 133:143
134:246 135:62 136:221 137:232 138:341 139:153
140:190 141:303 142:501 143:367 144:475 145:88
146:520 147:329 148:711 149:347 150:151 151:397
152:399 153:190 154:27 155:366 156:239 157:343
158:261 159:630 160:333 161:398 162:369 163:191
164:575 165:443 166:437 167:572 168:1010 169:129
170:1017 171:162 172:4 173:1545 174:591 175:419
176:1131 177:1679 178:1736 180:1381 181:230 182:1143
183:316 184:633 185:233 186:2253 187:1442 188:1935
189:1542 190:6609 192:6259 193:5658 194:4644 195:3678
196:1304 197:921 198:4098 199:5179 200:5966 201:2140
202:8658 203:8651 204:4408 205:2518 206:2711 207:2743
208:4047 209:3484 210:2796 211:1560 212:1959 213:1900
214:900 215:92 216:5087 217:1587 218:579 219:317
220:1259 221:551 222:327 223:417
End of report
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