* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 17 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 430685
Prefixes after maximum aggregation: 178478
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 214548
Total ASes present in the Internet Routing Table: 39485
Prefixes per ASN: 10.91
Origin-only ASes present in the Internet Routing Table: 33975
Origin ASes announcing only one prefix: 15880
Transit ASes present in the Internet Routing Table: 5510
Transit-only ASes present in the Internet Routing Table: 122
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: 1821
Unregistered ASNs in the Routing Table: 474
Number of 32-bit ASNs allocated by the RIRs: 3585
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8628
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 184
Number of addresses announced to Internet: 2640164368
Equivalent to 157 /8s, 93 /16s and 182 /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: 150914
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 99338
Total APNIC prefixes after maximum aggregation: 31296
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100886
Unique aggregates announced from the APNIC address blocks: 43251
APNIC Region origin ASes present in the Internet Routing Table: 4764
APNIC Prefixes per ASN: 21.18
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 756
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: 714923776
Equivalent to 42 /8s, 156 /16s and 223 /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: 154415
Total ARIN prefixes after maximum aggregation: 77844
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155083
Unique aggregates announced from the ARIN address blocks: 70356
ARIN Region origin ASes present in the Internet Routing Table: 15267
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5783
ARIN Region transit ASes present in the Internet Routing Table: 1532
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: 1089171968
Equivalent to 64 /8s, 235 /16s and 114 /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: 112931
Total RIPE prefixes after maximum aggregation: 58072
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115844
Unique aggregates announced from the RIPE address blocks: 74025
RIPE Region origin ASes present in the Internet Routing Table: 16981
RIPE Prefixes per ASN: 6.82
RIPE Region origin ASes announcing only one prefix: 8136
RIPE Region transit ASes present in the Internet Routing Table: 2709
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: 650065936
Equivalent to 38 /8s, 191 /16s and 56 /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: 44670
Total LACNIC prefixes after maximum aggregation: 8863
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48154
Unique aggregates announced from the LACNIC address blocks: 23112
LACNIC Region origin ASes present in the Internet Routing Table: 1736
LACNIC Prefixes per ASN: 27.74
LACNIC Region origin ASes announcing only one prefix: 501
LACNIC Region transit ASes present in the Internet Routing Table: 311
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: 120512000
Equivalent to 7 /8s, 46 /16s and 222 /24s
Percentage of available LACNIC address space announced: 71.8
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: 9941
Total AfriNIC prefixes after maximum aggregation: 2350
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 10533
Unique aggregates announced from the AfriNIC address blocks: 3638
AfriNIC Region origin ASes present in the Internet Routing Table: 584
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 42893568
Equivalent to 2 /8s, 142 /16s and 129 /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 2432 826 46 PT Telekomunikasi Indonesia
4766 2113 11548 609 Korea Telecom (KIX)
7545 1806 301 90 TPG Internet Pty Ltd
4755 1635 381 171 TATA Communications formerly
9829 1416 1156 42 National Internet Backbone
9583 1172 88 505 Sify Limited
7552 1132 1070 12 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1031 307 69 BHARTI Airtel Ltd.
18101 1016 135 169 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 1009 211 Windstream Communications Inc
6389 3127 3718 138 BellSouth.net Inc.
18566 2076 381 182 Covad Communications Co.
22773 1946 2932 131 Cox Communications Inc.
1785 1936 677 123 PaeTec Communications, Inc.
20115 1687 1607 622 Charter Communications
4323 1589 1169 394 tw telecom holdings, inc.
30036 1378 290 721 Mediacom Communications Corp
7018 1296 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 1737 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 878 211 229 BILISIM TELEKOM
12479 869 777 64 France Telecom Espana SA
13188 759 95 129 Ukraine
31148 741 38 13 FreeNet ISP
6830 716 2313 437 UPC Broadband
20940 712 230 554 Akamai Technologies European
8551 633 367 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 2264 386 207 Types of queries are: POCs, o
28573 2222 1298 69 Types of queries are: POCs, o
7303 1670 1139 200 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1446 2999 350 Uninet S.A. de C.V.
27947 745 86 93 Telconet S.A
3816 661 309 70 Types of queries are: POCs, o
18881 608 716 18 Global Village Telecom
11172 603 101 68 Alestra, S. de R.L. de C.V.
7738 579 1178 33 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 873 275 36 LINKdotNET AS number
36998 768 48 3 MOBITEL
8452 685 958 13 TEDATA
6713 485 602 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 194 28 66 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 1009 211 Windstream Communications Inc
6389 3127 3718 138 BellSouth.net Inc.
17974 2432 826 46 PT Telekomunikasi Indonesia
10620 2264 386 207 Types of queries are: POCs, o
28573 2222 1298 69 Types of queries are: POCs, o
4766 2113 11548 609 Korea Telecom (KIX)
18566 2076 381 182 Covad Communications Co.
22773 1946 2932 131 Cox Communications Inc.
1785 1936 677 123 PaeTec Communications, Inc.
7545 1806 301 90 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 3127 2989 BellSouth.net Inc.
17974 2432 2386 PT Telekomunikasi Indonesia
28573 2222 2153 Types of queries are: POCs, o
10620 2264 2057 Types of queries are: POCs, o
18566 2076 1894 Covad Communications Co.
22773 1946 1815 Cox Communications Inc.
1785 1936 1813 PaeTec Communications, Inc.
8402 1737 1721 Corbina telecom
7545 1806 1716 TPG Internet Pty Ltd
4766 2113 1504 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
/13:475 /14:859 /15:1555 /16:12440 /17:6594 /18:10891
/19:21541 /20:30838 /21:32740 /22:43651 /23:40343 /24:227763
/25:9 /26:11 /27:11 /28:144 /29:190 /30:97
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2728 3467 Windstream Communications Inc
18566 2026 2076 Covad Communications Co.
6389 1775 3127 BellSouth.net Inc.
8402 1469 1737 Corbina telecom
30036 1285 1378 Mediacom Communications Corp
22773 1278 1946 Cox Communications Inc.
11492 1147 1183 CABLE ONE, INC.
6503 1051 1530 Axtel, S.A.B. de C.V.
1785 1022 1936 PaeTec Communications, Inc.
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)
----------------------------------------------
1:614 2:723 3:3 4:13 5:691 6:3
8:486 12:1936 13:3 14:686 15:11 16:3
17:6 20:27 23:219 24:1787 27:1428 31:1345
32:49 33:2 34:2 36:7 37:1094 38:835
39:2 40:141 41:2837 42:179 44:3 46:1703
47:3 49:513 50:619 52:12 54:28 55:7
57:31 58:992 59:550 60:231 61:1295 62:1055
63:2013 64:4341 65:2205 66:4487 67:2076 68:1187
69:3309 70:935 71:556 72:1892 74:2631 75:473
76:289 77:1025 78:1004 79:517 80:1199 81:983
82:640 83:539 84:531 85:1155 86:459 87:963
88:353 89:1733 90:305 91:5371 92:607 93:1623
94:2024 95:1615 96:487 97:322 98:967 99:37
100:30 101:284 103:1914 105:512 106:117 107:203
108:490 109:1720 110:799 111:970 112:457 113:723
114:636 115:870 116:869 117:748 118:949 119:1223
120:368 121:666 122:1689 123:1169 124:1288 125:1290
128:513 129:188 130:287 131:636 132:314 133:142
134:242 135:62 136:214 137:231 138:343 139:165
140:156 141:301 142:491 143:354 144:487 145:89
146:514 147:290 148:720 149:330 150:146 151:235
152:397 153:187 154:21 155:440 156:227 157:333
158:257 159:597 160:335 161:395 162:369 163:181
164:579 165:445 166:474 167:569 168:988 169:129
170:1005 171:164 172:6 173:1651 174:629 175:461
176:866 177:1483 178:1743 180:1349 181:181 182:1098
183:299 184:632 185:127 186:2119 187:1467 188:1890
189:1597 190:6165 192:6048 193:5817 194:4658 195:3664
196:1246 197:292 198:3948 199:5117 200:5987 201:2029
202:8575 203:8641 204:4409 205:2528 206:2685 207:2741
208:4065 209:3640 210:2765 211:1523 212:2110 213:1877
214:862 215:74 216:5169 217:1591 218:583 219:304
220:1253 221:542 222:336 223:368
End of report
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