* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Sat 16 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466028
Prefixes after maximum aggregation: 187937
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234109
Total ASes present in the Internet Routing Table: 45331
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 35373
Origin ASes announcing only one prefix: 16289
Transit ASes present in the Internet Routing Table: 5800
Transit-only ASes present in the Internet Routing Table: 153
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 1113
Unregistered ASNs in the Routing Table: 288
Number of 32-bit ASNs allocated by the RIRs: 5358
Number of 32-bit ASNs visible in the Routing Table: 4158
Prefixes from 32-bit ASNs in the Routing Table: 12941
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1083
Number of addresses announced to Internet: 2652643168
Equivalent to 158 /8s, 28 /16s and 31 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.2
Total number of prefixes smaller than registry allocations: 162803
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107423
Total APNIC prefixes after maximum aggregation: 33245
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109639
Unique aggregates announced from the APNIC address blocks: 47451
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.64
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 813
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 745
Number of APNIC addresses announced to Internet: 728369408
Equivalent to 43 /8s, 106 /16s and 9 /24s
Percentage of available APNIC address space announced: 85.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 162005
Total ARIN prefixes after maximum aggregation: 81249
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162542
Unique aggregates announced from the ARIN address blocks: 75910
ARIN Region origin ASes present in the Internet Routing Table: 15863
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 6002
ARIN Region transit ASes present in the Internet Routing Table: 1608
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 36
Number of ARIN addresses announced to Internet: 1072687616
Equivalent to 63 /8s, 239 /16s and 234 /24s
Percentage of available ARIN address space announced: 56.7
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, 62464-63487, 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: 118746
Total RIPE prefixes after maximum aggregation: 60898
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122688
Unique aggregates announced from the RIPE address blocks: 78809
RIPE Region origin ASes present in the Internet Routing Table: 17502
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2786
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2479
Number of RIPE addresses announced to Internet: 656710240
Equivalent to 39 /8s, 36 /16s and 154 /24s
Percentage of available RIPE address space announced: 95.5
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, 61952-62463, 196608-200191
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: 52579
Total LACNIC prefixes after maximum aggregation: 9796
LACNIC Deaggregation factor: 5.37
Prefixes being announced from the LACNIC address blocks: 57688
Unique aggregates announced from the LACNIC address blocks: 27030
LACNIC Region origin ASes present in the Internet Routing Table: 2031
LACNIC Prefixes per ASN: 28.40
LACNIC Region origin ASes announcing only one prefix: 555
LACNIC Region transit ASes present in the Internet Routing Table: 384
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 892
Number of LACNIC addresses announced to Internet: 143012608
Equivalent to 8 /8s, 134 /16s and 51 /24s
Percentage of available LACNIC address space announced: 85.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11761
Total AfriNIC prefixes after maximum aggregation: 2597
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12388
Unique aggregates announced from the AfriNIC address blocks: 4038
AfriNIC Region origin ASes present in the Internet Routing Table: 678
AfriNIC Prefixes per ASN: 18.27
AfriNIC Region origin ASes announcing only one prefix: 197
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 48064256
Equivalent to 2 /8s, 221 /16s and 103 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2712 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2135 11550 641 Korea Telecom (KIX)
7545 2093 319 110 TPG Internet Pty Ltd
4755 1773 391 189 TATA Communications formerly
9829 1539 1245 45 BSNL National Internet Backbo
9583 1242 94 508 Sify Limited
9498 1215 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 380 163 Bharti Airtel Ltd., Telemedia
4808 1082 2024 311 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3049 3688 54 BellSouth.net Inc.
22773 2202 2939 139 Cox Communications, Inc.
18566 2058 379 178 MegaPath Corporation
1785 2039 685 131 PaeTec Communications, Inc.
20115 1682 1654 607 Charter Communications
4323 1645 1113 417 Time Warner Telecom
701 1505 11146 781 MCI Communications Services,
30036 1382 311 583 Mediacom Communications Corp
7018 1343 17795 880 AT&T WorldNet Services
6983 1295 772 580 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1883 544 17 OJSC "Vimpelcom"
34984 1363 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1124 415 852 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 896 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 786 370 41 Bezeq International
6830 778 2329 430 UPC Distribution Services
12479 680 798 55 Uni2 Autonomous System
35228 545 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3423 1793 87 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1621 908 20 Global Village Telecom
8151 1347 2851 409 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 813 373 27 Telefonica Del Peru
6503 789 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 887 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 419 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 229 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3423 1793 87 NET Servicos de Comunicao S.A
6389 3049 3688 54 BellSouth.net Inc.
17974 2712 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2202 2939 139 Cox Communications, Inc.
4766 2135 11550 641 Korea Telecom (KIX)
7545 2093 319 110 TPG Internet Pty Ltd
18566 2058 379 178 MegaPath Corporation
1785 2039 685 131 PaeTec Communications, Inc.
8402 1883 544 17 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3049 2995 BellSouth.net Inc.
17974 2712 2624 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2202 2063 Cox Communications, Inc.
7545 2093 1983 TPG Internet Pty Ltd
1785 2039 1908 PaeTec Communications, Inc.
18566 2058 1880 MegaPath Corporation
8402 1883 1866 OJSC "Vimpelcom"
36998 1864 1859 Sudanese Mobile Telephone (ZA
18881 1621 1601 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/us/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 /8:16 /9:11 /10:31 /11:92 /12:254
/13:469 /14:912 /15:1610 /16:12767 /17:6666 /18:11088
/19:22820 /20:32659 /21:35346 /22:49415 /23:43419 /24:248012
/25:45 /26:38 /27:26 /28:42 /29:40 /30:213
/31:12 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2058 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1704 3049 BellSouth.net Inc.
8402 1552 1883 OJSC "Vimpelcom"
22773 1461 2202 Cox Communications, Inc.
30036 1228 1382 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1086 2039 PaeTec Communications, Inc.
6983 1035 1295 ITC^Deltacom
22561 965 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:885 2:827 3:3 4:17 5:1023 6:21
8:617 12:1882 13:3 14:868 15:11 16:3
17:15 18:19 20:21 23:560 24:1745 27:1620
31:1442 32:43 33:2 34:5 36:86 37:1916
38:914 39:5 40:182 41:3263 42:272 44:13
46:2020 47:10 49:689 50:829 52:12 54:43
55:6 56:4 57:26 58:1089 59:567 60:377
61:1453 62:1239 63:1977 64:4318 65:2340 66:4145
67:2115 68:1107 69:3293 70:872 71:489 72:2043
74:2558 75:326 76:296 77:1157 78:1040 79:673
80:1299 81:1038 82:646 83:660 84:584 85:1256
86:383 87:1016 88:557 89:1551 90:150 91:5656
92:622 93:1602 94:2059 95:1630 96:509 97:350
98:1032 99:41 100:31 101:393 103:3583 105:527
106:140 107:215 108:516 109:1944 110:969 111:1110
112:588 113:802 114:729 115:1008 116:1000 117:805
118:1177 119:1253 120:327 121:732 122:1771 123:1240
124:1358 125:1428 128:638 129:214 130:315 131:653
132:354 133:158 134:547 135:72 136:282 137:244
138:351 139:170 140:170 141:318 142:533 143:410
144:496 145:90 146:519 147:391 148:714 149:368
150:131 151:653 152:411 153:205 154:52 155:494
156:291 157:370 158:280 159:694 160:360 161:451
162:854 163:202 164:631 165:580 166:259 167:634
168:1038 169:121 170:1115 171:185 172:27 173:1588
174:696 175:509 176:1295 177:2463 178:1973 179:300
180:1583 181:874 182:1373 183:464 184:659 185:1024
186:2598 187:1472 188:1868 189:1260 190:7276 192:6990
193:5414 194:4040 195:3364 196:1337 197:1033 198:4691
199:5449 200:6053 201:2517 202:8778 203:8808 204:4465
205:2631 206:2748 207:2767 208:3997 209:3642 210:2908
211:1557 212:2157 213:1972 214:898 215:91 216:5398
217:1688 218:618 219:316 220:1274 221:579 222:326
223:503
End of report
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