* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 10 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 429265
Prefixes after maximum aggregation: 178377
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 213473
Total ASes present in the Internet Routing Table: 39444
Prefixes per ASN: 10.88
Origin-only ASes present in the Internet Routing Table: 33929
Origin ASes announcing only one prefix: 15869
Transit ASes present in the Internet Routing Table: 5515
Transit-only ASes present in the Internet Routing Table: 126
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: 1811
Unregistered ASNs in the Routing Table: 462
Number of 32-bit ASNs allocated by the RIRs: 3570
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8570
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 150
Number of addresses announced to Internet: 2638821888
Equivalent to 157 /8s, 73 /16s and 58 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.0
Total number of prefixes smaller than registry allocations: 149945
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99263
Total APNIC prefixes after maximum aggregation: 31254
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 100802
Unique aggregates announced from the APNIC address blocks: 43228
APNIC Region origin ASes present in the Internet Routing Table: 4757
APNIC Prefixes per ASN: 21.19
APNIC Region origin ASes announcing only one prefix: 1275
APNIC Region transit ASes present in the Internet Routing Table: 759
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: 714502656
Equivalent to 42 /8s, 150 /16s and 114 /24s
Percentage of available APNIC address space announced: 83.5
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: 154221
Total ARIN prefixes after maximum aggregation: 77958
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 154926
Unique aggregates announced from the ARIN address blocks: 69955
ARIN Region origin ASes present in the Internet Routing Table: 15262
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5782
ARIN Region transit ASes present in the Internet Routing Table: 1534
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: 1088736256
Equivalent to 64 /8s, 228 /16s and 204 /24s
Percentage of available ARIN address space announced: 57.6
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: 112221
Total RIPE prefixes after maximum aggregation: 57963
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115112
Unique aggregates announced from the RIPE address blocks: 73533
RIPE Region origin ASes present in the Internet Routing Table: 16958
RIPE Prefixes per ASN: 6.79
RIPE Region origin ASes announcing only one prefix: 8127
RIPE Region transit ASes present in the Internet Routing Table: 2706
Average RIPE Region AS path length visible: 3.4
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: 649547520
Equivalent to 38 /8s, 183 /16s and 79 /24s
Percentage of available RIPE address space announced: 94.4
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: 44394
Total LACNIC prefixes after maximum aggregation: 8810
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 47845
Unique aggregates announced from the LACNIC address blocks: 23005
LACNIC Region origin ASes present in the Internet Routing Table: 1727
LACNIC Prefixes per ASN: 27.70
LACNIC Region origin ASes announcing only one prefix: 502
LACNIC Region transit ASes present in the Internet Routing Table: 313
Average LACNIC Region AS path length visible: 3.9
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: 120291072
Equivalent to 7 /8s, 43 /16s and 127 /24s
Percentage of available LACNIC address space announced: 71.7
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: 9844
Total AfriNIC prefixes after maximum aggregation: 2339
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 10429
Unique aggregates announced from the AfriNIC address blocks: 3620
AfriNIC Region origin ASes present in the Internet Routing Table: 583
AfriNIC Prefixes per ASN: 17.89
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 43160576
Equivalent to 2 /8s, 146 /16s and 148 /24s
Percentage of available AfriNIC address space announced: 42.9
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 2431 826 46 PT Telekomunikasi Indonesia
4766 2109 11550 606 Korea Telecom (KIX)
7545 1804 301 91 TPG Internet Pty Ltd
4755 1630 381 169 TATA Communications formerly
9829 1407 1154 37 National Internet Backbone
9583 1169 87 502 Sify Limited
7552 1126 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1026 307 70 BHARTI Airtel Ltd.
18101 1017 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
7029 3195 994 219 Windstream Communications Inc
6389 3131 3718 141 BellSouth.net Inc.
18566 2076 381 182 Covad Communications Co.
22773 1940 2932 131 Cox Communications Inc.
1785 1932 677 122 PaeTec Communications, Inc.
20115 1686 1607 622 Charter Communications
4323 1588 1169 395 tw telecom holdings, inc.
30036 1370 290 755 Mediacom Communications Corp
7018 1291 10566 858 AT&T Services, Inc.
7011 1215 322 692 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 1691 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 866 211 224 BILISIM TELEKOM
12479 859 777 64 France Telecom Espana SA
13188 744 95 132 Ukraine
31148 738 38 13 FreeNet ISP
6830 716 2313 437 UPC Broadband
20940 706 229 550 Akamai Technologies European
8551 624 367 39 Bezeq International
58113 613 68 372 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
10620 2264 386 207 Types of queries are: POCs, o
28573 2200 1290 71 Types of queries are: POCs, o
7303 1671 1138 202 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1458 3023 355 Uninet S.A. de C.V.
27947 731 85 89 Telconet S.A
3816 660 309 70 Types of queries are: POCs, o
11172 603 101 68 Alestra, S. de R.L. de C.V.
18881 602 716 18 Global Village Telecom
22047 579 326 15 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
24863 874 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 548 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 194 29 7 Wananchi Online Limited
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
7029 3195 994 219 Windstream Communications Inc
6389 3131 3718 141 BellSouth.net Inc.
17974 2431 826 46 PT Telekomunikasi Indonesia
10620 2264 386 207 Types of queries are: POCs, o
28573 2200 1290 71 Types of queries are: POCs, o
4766 2109 11550 606 Korea Telecom (KIX)
18566 2076 381 182 Covad Communications Co.
22773 1940 2932 131 Cox Communications Inc.
1785 1932 677 122 PaeTec Communications, Inc.
7545 1804 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
6389 3131 2990 BellSouth.net Inc.
17974 2431 2385 PT Telekomunikasi Indonesia
28573 2200 2129 Types of queries are: POCs, o
10620 2264 2057 Types of queries are: POCs, o
18566 2076 1894 Covad Communications Co.
1785 1932 1810 PaeTec Communications, Inc.
22773 1940 1809 Cox Communications Inc.
7545 1804 1713 TPG Internet Pty Ltd
8402 1691 1675 Corbina telecom
4766 2109 1503 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Data Networks
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Data Networks
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 8468 ENTANET Internationa
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
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.
128.0.64.0/22 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
128.0.104.0/23 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
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
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
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 SWITCH Communications Group L
65.111.1.0/24 32258 SDN Global
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 /11:87 /12:245
/13:475 /14:859 /15:1560 /16:12435 /17:6586 /18:10879
/19:21540 /20:30772 /21:32760 /22:43539 /23:40302 /24:226570
/25:9 /26:12 /27:11 /28:144 /29:190 /30:90
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2621 3195 Windstream Communications Inc
18566 2026 2076 Covad Communications Co.
6389 1776 3131 BellSouth.net Inc.
8402 1415 1691 Corbina telecom
30036 1278 1370 Mediacom Communications Corp
22773 1274 1940 Cox Communications Inc.
11492 1147 1183 CABLE ONE, INC.
6503 1051 1530 Axtel, S.A.B. de C.V.
1785 1020 1932 PaeTec Communications, Inc.
7011 953 1215 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:600 2:700 3:1 4:13 5:670 6:3
8:488 12:1948 13:3 14:687 15:11 16:3
17:6 20:27 23:218 24:1785 27:1408 31:1332
32:49 33:2 34:2 36:7 37:1078 38:838
39:2 40:140 41:2737 42:179 44:3 46:1685
47:3 49:511 50:616 52:12 54:27 55:7
57:31 58:989 59:547 60:230 61:1274 62:1048
63:2015 64:4353 65:2201 66:4473 67:2083 68:1179
69:3244 70:921 71:547 72:1900 74:2623 75:480
76:295 77:1025 78:1000 79:505 80:1214 81:983
82:634 83:532 84:530 85:1152 86:461 87:955
88:353 89:1773 90:305 91:5347 92:589 93:1587
94:2018 95:1314 96:457 97:322 98:968 99:37
100:30 101:283 103:1883 105:517 106:119 107:203
108:473 109:1688 110:810 111:971 112:455 113:723
114:638 115:869 116:866 117:748 118:971 119:1214
120:370 121:667 122:1698 123:1166 124:1282 125:1288
128:521 129:189 130:283 131:637 132:307 133:142
134:243 135:62 136:214 137:230 138:343 139:165
140:154 141:302 142:489 143:352 144:486 145:81
146:515 147:255 148:719 149:327 150:147 151:236
152:397 153:187 154:21 155:437 156:224 157:333
158:256 159:597 160:335 161:391 162:375 163:181
164:578 165:445 166:476 167:568 168:989 169:129
170:994 171:164 172:6 173:1707 174:633 175:459
176:835 177:1450 178:1676 180:1350 181:181 182:1114
183:304 184:624 185:119 186:2120 187:1425 188:1793
189:1632 190:6151 192:6046 193:5825 194:4652 195:3666
196:1246 197:280 198:3940 199:5100 200:5949 201:1985
202:8548 203:8642 204:4363 205:2542 206:2662 207:2747
208:4069 209:3637 210:2768 211:1527 212:2115 213:1878
214:887 215:74 216:5162 217:1607 218:578 219:302
220:1255 221:542 222:336 223:358
End of report
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