* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 26 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 431486
Prefixes after maximum aggregation: 178780
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215380
Total ASes present in the Internet Routing Table: 39509
Prefixes per ASN: 10.92
Origin-only ASes present in the Internet Routing Table: 33996
Origin ASes announcing only one prefix: 15894
Transit ASes present in the Internet Routing Table: 5513
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: 1836
Unregistered ASNs in the Routing Table: 486
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: 8708
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2640362512
Equivalent to 157 /8s, 96 /16s and 188 /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: 150971
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99719
Total APNIC prefixes after maximum aggregation: 31399
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 101260
Unique aggregates announced from the APNIC address blocks: 43386
APNIC Region origin ASes present in the Internet Routing Table: 4756
APNIC Prefixes per ASN: 21.29
APNIC Region origin ASes announcing only one prefix: 1266
APNIC Region transit ASes present in the Internet Routing Table: 754
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: 715391232
Equivalent to 42 /8s, 164 /16s and 1 /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: 154574
Total ARIN prefixes after maximum aggregation: 77882
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155254
Unique aggregates announced from the ARIN address blocks: 70597
ARIN Region origin ASes present in the Internet Routing Table: 15285
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5798
ARIN Region transit ASes present in the Internet Routing Table: 1529
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: 1088353024
Equivalent to 64 /8s, 222 /16s and 243 /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: 113150
Total RIPE prefixes after maximum aggregation: 58210
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116107
Unique aggregates announced from the RIPE address blocks: 74459
RIPE Region origin ASes present in the Internet Routing Table: 16985
RIPE Prefixes per ASN: 6.84
RIPE Region origin ASes announcing only one prefix: 8142
RIPE Region transit ASes present in the Internet Routing Table: 2710
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: 650263824
Equivalent to 38 /8s, 194 /16s and 61 /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: 44761
Total LACNIC prefixes after maximum aggregation: 8878
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48266
Unique aggregates announced from the LACNIC address blocks: 23147
LACNIC Region origin ASes present in the Internet Routing Table: 1739
LACNIC Prefixes per ASN: 27.76
LACNIC Region origin ASes announcing only one prefix: 500
LACNIC Region transit ASes present in the Internet Routing Table: 319
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: 120863744
Equivalent to 7 /8s, 52 /16s and 60 /24s
Percentage of available LACNIC address space announced: 72.0
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: 9828
Total AfriNIC prefixes after maximum aggregation: 2358
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 10420
Unique aggregates announced from the AfriNIC address blocks: 3631
AfriNIC Region origin ASes present in the Internet Routing Table: 587
AfriNIC Prefixes per ASN: 17.75
AfriNIC Region origin ASes announcing only one prefix: 188
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: 42915072
Equivalent to 2 /8s, 142 /16s and 213 /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 1414 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 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 3469 1010 215 Windstream Communications Inc
6389 3120 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 1298 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 1702 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 765 95 116 Ukraine
31148 743 38 15 FreeNet ISP
20940 724 238 570 Akamai Technologies European
6830 715 2313 436 UPC Broadband
8551 657 367 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 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 3469 1010 215 Windstream Communications Inc
6389 3120 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 3120 2987 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 1702 1686 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 /15:1555 /16:12445 /17:6593 /18:10864
/19:21588 /20:30982 /21:32861 /22:43876 /23:40365 /24:228042
/25:9 /26:11 /27:10 /28:140 /29:183 /30:96
/31:0 /32:139
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 1774 3120 BellSouth.net Inc.
8402 1428 1702 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)
----------------------------------------------
1:661 2:705 3:3 4:9 5:698 6:3
8:489 12:1930 13:3 14:683 15:11 16:3
17:6 20:27 23:218 24:1789 27:1465 31:1382
32:49 33:2 34:2 36:11 37:1146 38:834
39:2 40:141 41:2693 42:179 44:3 46:1716
47:3 49:527 50:645 52:12 54:28 55:7
56:1 57:31 58:991 59:556 60:232 61:1304
62:1054 63:2012 64:4355 65:2196 66:4490 67:2079
68:1199 69:3329 70:939 71:556 72:1897 74:2625
75:474 76:293 77:1031 78:1008 79:522 80:1211
81:982 82:652 83:536 84:533 85:1158 86:457
87:972 88:354 89:1746 90:304 91:5389 92:610
93:1621 94:1981 95:1600 96:489 97:337 98:970
99:37 100:30 101:282 103:1949 105:501 106:117
107:203 108:492 109:1745 110:819 111:976 112:465
113:725 114:634 115:876 116:872 117:760 118:959
119:1221 120:364 121:694 122:1694 123:1176 124:1283
125:1298 128:775 129:188 130:291 131:638 132:314
133:142 134:242 135:62 136:208 137:231 138:344
139:166 140:156 141:299 142:498 143:349 144:488
145:89 146:511 147:322 148:712 149:333 150:140
151:242 152:397 153:187 154:22 155:424 156:228
157:334 158:257 159:603 160:334 161:396 162:370
163:181 164:578 165:451 166:472 167:569 168:1000
169:129 170:1003 171:164 172:4 173:1653 174:628
175:466 176:934 177:1474 178:1711 180:1354 181:189
182:1111 183:293 184:632 185:141 186:2168 187:1409
188:1901 189:1553 190:6172 192:6033 193:5717 194:4492
195:3604 196:1246 197:308 198:3955 199:5120 200:5982
201:2029 202:8579 203:8639 204:4408 205:2535 206:2731
207:2757 208:4056 209:3632 210:2778 211:1546 212:2024
213:1888 214:860 215:90 216:5113 217:1567 218:591
219:304 220:1255 221:543 222:324 223:371
End of report
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