* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 25 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431358
Prefixes after maximum aggregation: 178780
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215344
Total ASes present in the Internet Routing Table: 39525
Prefixes per ASN: 10.91
Origin-only ASes present in the Internet Routing Table: 34003
Origin ASes announcing only one prefix: 15901
Transit ASes present in the Internet Routing Table: 5522
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: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1835
Unregistered ASNs in the Routing Table: 483
Number of 32-bit ASNs allocated by the RIRs: 3603
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8711
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2640362768
Equivalent to 157 /8s, 96 /16s and 189 /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: 94.1
Total number of prefixes smaller than registry allocations: 150873
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99608
Total APNIC prefixes after maximum aggregation: 31388
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101166
Unique aggregates announced from the APNIC address blocks: 43355
APNIC Region origin ASes present in the Internet Routing Table: 4761
APNIC Prefixes per ASN: 21.25
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 755
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: 715201280
Equivalent to 42 /8s, 161 /16s and 27 /24s
Percentage of available APNIC address space announced: 83.6
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: 154589
Total ARIN prefixes after maximum aggregation: 77884
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155268
Unique aggregates announced from the ARIN address blocks: 70577
ARIN Region origin ASes present in the Internet Routing Table: 15287
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5799
ARIN Region transit ASes present in the Internet Routing Table: 1530
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: 1088413184
Equivalent to 64 /8s, 223 /16s and 222 /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: 113034
Total RIPE prefixes after maximum aggregation: 58208
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115980
Unique aggregates announced from the RIPE address blocks: 74463
RIPE Region origin ASes present in the Internet Routing Table: 16989
RIPE Prefixes per ASN: 6.83
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2713
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: 650300176
Equivalent to 38 /8s, 194 /16s and 203 /24s
Percentage of available RIPE address space announced: 94.5
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: 44811
Total LACNIC prefixes after maximum aggregation: 8889
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48330
Unique aggregates announced from the LACNIC address blocks: 23155
LACNIC Region origin ASes present in the Internet Routing Table: 1743
LACNIC Prefixes per ASN: 27.73
LACNIC Region origin ASes announcing only one prefix: 497
LACNIC Region transit ASes present in the Internet Routing Table: 321
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: 120954368
Equivalent to 7 /8s, 53 /16s and 158 /24s
Percentage of available LACNIC address space announced: 72.1
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: 9840
Total AfriNIC prefixes after maximum aggregation: 2358
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 10435
Unique aggregates announced from the AfriNIC address blocks: 3634
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 17.72
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 42918144
Equivalent to 2 /8s, 142 /16s and 225 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2471 829 54 PT Telekomunikasi Indonesia
4766 2115 11548 616 Korea Telecom (KIX)
7545 1806 301 89 TPG Internet Pty Ltd
4755 1638 381 173 TATA Communications formerly
9829 1415 1156 42 National Internet Backbone
9583 1173 88 507 Sify Limited
7552 1131 1070 12 Vietel Corporation
9498 1042 307 69 BHARTI Airtel Ltd.
24560 1037 385 161 Bharti Airtel Ltd., Telemedia
18101 1015 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 3469 1010 215 Windstream Communications Inc
6389 3121 3717 133 BellSouth.net Inc.
18566 2075 381 182 Covad Communications Co.
22773 1948 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
20115 1687 1603 617 Charter Communications
4323 1594 1171 396 tw telecom holdings, inc.
30036 1381 292 716 Mediacom Communications Corp
7018 1299 10566 860 AT&T Services, Inc.
7011 1206 321 685 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 1727 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 883 211 233 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 764 95 121 Ukraine
31148 743 38 15 FreeNet ISP
20940 724 238 570 Akamai Technologies European
6830 714 2313 435 UPC Broadband
8551 656 367 39 Bezeq International
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
10620 2268 387 206 Types of queries are: POCs, o
28573 2245 1298 69 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1444 435 67 Axtel, S.A.B. de C.V.
8151 1430 2979 347 Uninet S.A. de C.V.
27947 742 86 89 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 672 309 70 Types of queries are: POCs, o
11172 601 101 66 Alestra, S. de R.L. de C.V.
7738 588 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
24863 874 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 554 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
15399 195 29 7 Wananchi Online Limited
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
7029 3469 1010 215 Windstream Communications Inc
6389 3121 3717 133 BellSouth.net Inc.
17974 2471 829 54 PT Telekomunikasi Indonesia
10620 2268 387 206 Types of queries are: POCs, o
28573 2245 1298 69 Types of queries are: POCs, o
4766 2115 11548 616 Korea Telecom (KIX)
18566 2075 381 182 Covad Communications Co.
22773 1948 2932 131 Cox Communications Inc.
1785 1939 677 123 PaeTec Communications, Inc.
7545 1806 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
6389 3121 2988 BellSouth.net Inc.
17974 2471 2417 PT Telekomunikasi Indonesia
28573 2245 2176 Types of queries are: POCs, o
10620 2268 2062 Types of queries are: POCs, o
18566 2075 1893 Covad Communications Co.
22773 1948 1817 Cox Communications Inc.
1785 1939 1816 PaeTec Communications, Inc.
7545 1806 1717 TPG Internet Pty Ltd
8402 1727 1711 Corbina telecom
4766 2115 1499 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
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
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<<
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
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
/13:474 /14:859 /15:1554 /16:12447 /17:6593 /18:10868
/19:21587 /20:30972 /21:32863 /22:43849 /23:40388 /24:227903
/25:9 /26:11 /27:11 /28:145 /29:193 /30:97
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2727 3469 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1775 3121 BellSouth.net Inc.
8402 1455 1727 Corbina telecom
30036 1284 1381 Mediacom Communications Corp
22773 1280 1948 Cox Communications Inc.
11492 1156 1193 CABLE ONE, INC.
1785 1023 1939 PaeTec Communications, Inc.
6503 976 1444 Axtel, S.A.B. de C.V.
7011 954 1206 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:659 2:712 3:3 4:13 5:696 6:3
8:488 12:1933 13:3 14:685 15:11 16:3
17:6 20:27 23:218 24:1789 27:1440 31:1355
32:49 33:2 34:2 36:11 37:1144 38:834
39:2 40:141 41:2700 42:179 44:3 46:1716
47:3 49:524 50:645 52:12 54:28 55:8
56:1 57:31 58:987 59:555 60:232 61:1305
62:1054 63:2012 64:4355 65:2196 66:4490 67:2079
68:1200 69:3329 70:939 71:556 72:1897 74:2625
75:474 76:293 77:1031 78:1018 79:521 80:1207
81:979 82:652 83:535 84:532 85:1159 86:456
87:972 88:354 89:1746 90:304 91:5384 92:609
93:1620 94:1980 95:1614 96:488 97:337 98:973
99:37 100:30 101:284 103:1945 105:501 106:117
107:203 108:492 109:1745 110:816 111:974 112:459
113:724 114:634 115:875 116:871 117:757 118:955
119:1220 120:364 121:693 122:1694 123:1177 124:1283
125:1298 128:773 129:188 130:291 131:638 132:314
133:142 134:242 135:61 136:214 137:231 138:344
139:175 140:156 141:299 142:498 143:349 144:488
145:89 146:511 147:322 148:710 149:333 150:140
151:242 152:397 153:187 154:22 155:424 156:228
157:334 158:257 159:603 160:334 161:396 162:370
163:180 164:577 165:451 166:472 167:570 168:1001
169:129 170:1003 171:164 172:4 173:1655 174:626
175:465 176:875 177:1496 178:1710 180:1353 181:188
182:1109 183:285 184:632 185:136 186:2169 187:1432
188:1886 189:1565 190:6154 192:6030 193:5716 194:4492
195:3600 196:1246 197:309 198:3956 199:5118 200:5992
201:2029 202:8573 203:8646 204:4409 205:2535 206:2731
207:2752 208:4056 209:3633 210:2775 211:1546 212:2023
213:1880 214:856 215:90 216:5099 217:1565 218:591
219:304 220:1253 221:543 222:324 223:366
End of report
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