* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 28 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431535
Prefixes after maximum aggregation: 178883
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215513
Total ASes present in the Internet Routing Table: 39528
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 34003
Origin ASes announcing only one prefix: 15920
Transit ASes present in the Internet Routing Table: 5525
Transit-only ASes present in the Internet Routing Table: 123
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: 1843
Unregistered ASNs in the Routing Table: 488
Number of 32-bit ASNs allocated by the RIRs: 3606
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8740
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 181
Number of addresses announced to Internet: 2640300824
Equivalent to 157 /8s, 95 /16s and 203 /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: 151045
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99793
Total APNIC prefixes after maximum aggregation: 31475
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 101346
Unique aggregates announced from the APNIC address blocks: 43463
APNIC Region origin ASes present in the Internet Routing Table: 4763
APNIC Prefixes per ASN: 21.28
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 760
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: 715441920
Equivalent to 42 /8s, 164 /16s and 199 /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: 154577
Total ARIN prefixes after maximum aggregation: 77902
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155264
Unique aggregates announced from the ARIN address blocks: 70583
ARIN Region origin ASes present in the Internet Routing Table: 15282
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5797
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: 1088158464
Equivalent to 64 /8s, 219 /16s and 251 /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: 113225
Total RIPE prefixes after maximum aggregation: 58218
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116192
Unique aggregates announced from the RIPE address blocks: 74505
RIPE Region origin ASes present in the Internet Routing Table: 16992
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2716
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: 650315800
Equivalent to 38 /8s, 195 /16s and 8 /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: 44648
Total LACNIC prefixes after maximum aggregation: 8886
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48174
Unique aggregates announced from the LACNIC address blocks: 23186
LACNIC Region origin ASes present in the Internet Routing Table: 1751
LACNIC Prefixes per ASN: 27.51
LACNIC Region origin ASes announcing only one prefix: 507
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: 120913664
Equivalent to 7 /8s, 52 /16s and 255 /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: 9798
Total AfriNIC prefixes after maximum aggregation: 2349
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 10377
Unique aggregates announced from the AfriNIC address blocks: 3613
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 17.71
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: 42884096
Equivalent to 2 /8s, 142 /16s and 92 /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 2470 829 53 PT Telekomunikasi Indonesia
4766 2118 11548 618 Korea Telecom (KIX)
7545 1806 301 88 TPG Internet Pty Ltd
4755 1638 381 173 TATA Communications formerly
9829 1409 1156 42 National Internet Backbone
9583 1174 88 506 Sify Limited
7552 1133 1070 12 Vietel Corporation
9498 1049 309 73 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 3467 1010 215 Windstream Communications Inc
6389 3119 3717 132 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 1355 287 705 Mediacom Communications Corp
7018 1299 10566 859 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 1701 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 894 211 233 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 767 96 115 Ukraine
31148 743 38 15 FreeNet ISP
20940 732 241 576 Akamai Technologies European
6830 715 2313 436 UPC Broadband
8551 658 367 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 2232 1297 76 Types of queries are: POCs, o
7303 1674 1139 202 Telecom Argentina S.A.
6503 1446 435 69 Axtel, S.A.B. de C.V.
8151 1423 2965 347 Uninet S.A. de C.V.
27947 745 86 90 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 872 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 547 958 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 3467 1010 215 Windstream Communications Inc
6389 3119 3717 132 BellSouth.net Inc.
17974 2470 829 53 PT Telekomunikasi Indonesia
10620 2268 387 206 Types of queries are: POCs, o
28573 2232 1297 76 Types of queries are: POCs, o
4766 2118 11548 618 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 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
6389 3119 2987 BellSouth.net Inc.
17974 2470 2417 PT Telekomunikasi Indonesia
28573 2232 2156 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 1718 TPG Internet Pty Ltd
8402 1701 1685 Corbina telecom
4766 2118 1500 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 /15:1555 /16:12443 /17:6598 /18:10853
/19:21600 /20:30980 /21:32846 /22:43828 /23:40347 /24:228161
/25:9 /26:11 /27:11 /28:148 /29:187 /30:98
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2726 3467 Windstream Communications Inc
18566 2025 2075 Covad Communications Co.
6389 1774 3119 BellSouth.net Inc.
8402 1424 1701 Corbina telecom
22773 1280 1948 Cox Communications Inc.
30036 1260 1355 Mediacom Communications Corp
11492 1155 1192 CABLE ONE, INC.
1785 1023 1939 PaeTec Communications, Inc.
6503 976 1446 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)
----------------------------------------------
1:653 2:681 3:3 4:9 5:700 6:3
8:488 12:1927 13:3 14:684 15:11 16:3
17:6 20:27 23:219 24:1787 27:1465 31:1389
32:49 33:2 34:2 36:11 37:1144 38:834
39:2 40:141 41:2697 42:179 44:3 46:1712
47:3 49:527 50:646 52:12 54:28 55:8
56:1 57:31 58:992 59:557 60:232 61:1305
62:1055 63:2009 64:4350 65:2197 66:4483 67:2080
68:1199 69:3329 70:940 71:556 72:1897 74:2624
75:475 76:293 77:1043 78:1022 79:524 80:1222
81:982 82:669 83:536 84:521 85:1164 86:457
87:970 88:353 89:1753 90:304 91:5367 92:614
93:1619 94:1986 95:1615 96:489 97:337 98:970
99:37 100:30 101:285 103:1959 105:501 106:117
107:203 108:492 109:1748 110:819 111:977 112:465
113:727 114:637 115:878 116:873 117:759 118:971
119:1229 120:364 121:695 122:1695 123:1179 124:1284
125:1299 128:777 129:187 130:290 131:638 132:314
133:142 134:242 135:62 136:215 137:231 138:344
139:167 140:156 141:299 142:498 143:349 144:487
145:89 146:511 147:323 148:716 149:333 150:138
151:243 152:397 153:188 154:22 155:424 156:227
157:334 158:257 159:603 160:334 161:396 162:370
163:181 164:578 165:452 166:471 167:570 168:1001
169:129 170:1004 171:164 172:4 173:1639 174:629
175:463 176:939 177:1500 178:1706 180:1361 181:191
182:1129 183:287 184:649 185:145 186:2150 187:1444
188:1907 189:1561 190:6172 192:6034 193:5717 194:4492
195:3603 196:1242 197:293 198:3962 199:5121 200:5956
201:2022 202:8574 203:8639 204:4408 205:2538 206:2730
207:2755 208:4058 209:3632 210:2782 211:1551 212:2021
213:1885 214:856 215:90 216:5114 217:1569 218:589
219:304 220:1255 221:544 222:324 223:369
End of report
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