* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Thu 28 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466698
Prefixes after maximum aggregation: 188233
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234527
Total ASes present in the Internet Routing Table: 41231
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 35437
Origin ASes announcing only one prefix: 16283
Transit ASes present in the Internet Routing Table: 5794
Transit-only ASes present in the Internet Routing Table: 156
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: 967
Unregistered ASNs in the Routing Table: 257
Number of 32-bit ASNs allocated by the RIRs: 5406
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 13172
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1228
Number of addresses announced to Internet: 2653522272
Equivalent to 158 /8s, 41 /16s and 137 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 162893
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107972
Total APNIC prefixes after maximum aggregation: 33390
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 110235
Unique aggregates announced from the APNIC address blocks: 47610
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.77
APNIC Region origin ASes announcing only one prefix: 1230
APNIC Region transit ASes present in the Internet Routing Table: 811
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: 0
Number of APNIC addresses announced to Internet: 727494656
Equivalent to 43 /8s, 92 /16s and 176 /24s
Percentage of available APNIC address space announced: 85.0
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: 161961
Total ARIN prefixes after maximum aggregation: 81247
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162474
Unique aggregates announced from the ARIN address blocks: 75741
ARIN Region origin ASes present in the Internet Routing Table: 15877
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6002
ARIN Region transit ASes present in the Internet Routing Table: 1602
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: 0
Number of ARIN addresses announced to Internet: 1072924416
Equivalent to 63 /8s, 243 /16s and 135 /24s
Percentage of available ARIN address space announced: 56.8
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: 118671
Total RIPE prefixes after maximum aggregation: 60999
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122698
Unique aggregates announced from the RIPE address blocks: 78897
RIPE Region origin ASes present in the Internet Routing Table: 17516
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8294
RIPE Region transit ASes present in the Internet Routing Table: 2782
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 656067424
Equivalent to 39 /8s, 26 /16s and 203 /24s
Percentage of available RIPE address space announced: 95.4
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: 52558
Total LACNIC prefixes after maximum aggregation: 9799
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57735
Unique aggregates announced from the LACNIC address blocks: 27278
LACNIC Region origin ASes present in the Internet Routing Table: 2038
LACNIC Prefixes per ASN: 28.33
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 383
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 144161792
Equivalent to 8 /8s, 151 /16s and 188 /24s
Percentage of available LACNIC address space announced: 85.9
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: 11694
Total AfriNIC prefixes after maximum aggregation: 2593
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 12328
Unique aggregates announced from the AfriNIC address blocks: 4011
AfriNIC Region origin ASes present in the Internet Routing Table: 681
AfriNIC Prefixes per ASN: 18.10
AfriNIC Region origin ASes announcing only one prefix: 203
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 0
Number of AfriNIC addresses announced to Internet: 48713216
Equivalent to 2 /8s, 231 /16s and 78 /24s
Percentage of available AfriNIC address space announced: 48.4
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 2714 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2137 11550 641 Korea Telecom (KIX)
7545 2093 319 109 TPG Internet Pty Ltd
4755 1776 391 189 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1251 95 510 Sify Limited
9498 1213 309 73 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 382 166 Bharti Airtel Ltd., Telemedia
4808 1081 2020 309 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 3042 3688 53 BellSouth.net Inc.
22773 2211 2939 137 Cox Communications, Inc.
18566 2054 379 178 MegaPath Corporation
1785 2044 685 133 PaeTec Communications, Inc.
20115 1682 1653 602 Charter Communications
4323 1651 1114 420 Time Warner Telecom
701 1504 11144 778 MCI Communications Services,
30036 1393 315 577 Mediacom Communications Corp
7018 1344 17798 882 AT&T WorldNet Services
6983 1294 771 579 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 1855 544 16 OJSC "Vimpelcom"
34984 1366 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1178 447 885 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 897 99 48 TOV "Bank-Inform"
8551 784 370 41 Bezeq International
6830 771 2327 423 UPC Distribution Services
6849 687 363 39 JSC UKRTELECOM,
12479 677 798 53 Uni2 Autonomous System
35228 547 246 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 3399 1803 89 NET Servicos de Comunicao S.A
10620 2671 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1702 908 20 Global Village Telecom
8151 1346 2848 414 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 788 373 27 Telefonica Del Peru
6503 783 434 62 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 869 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
29571 227 17 14 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
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 3399 1803 89 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2714 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2671 433 213 Telmex Colombia S.A.
22773 2211 2939 137 Cox Communications, Inc.
4766 2137 11550 641 Korea Telecom (KIX)
7545 2093 319 109 TPG Internet Pty Ltd
18566 2054 379 178 MegaPath Corporation
1785 2044 685 133 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
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 3042 2989 BellSouth.net Inc.
17974 2714 2626 PT TELEKOMUNIKASI INDONESIA
10620 2671 2458 Telmex Colombia S.A.
22773 2211 2074 Cox Communications, Inc.
7545 2093 1984 TPG Internet Pty Ltd
1785 2044 1911 PaeTec Communications, Inc.
18566 2054 1876 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1855 1839 OJSC "Vimpelcom"
18881 1702 1682 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.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 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 /12:253
/13:470 /14:915 /15:1611 /16:12783 /17:6689 /18:11069
/19:22862 /20:32744 /21:35300 /22:49494 /23:43421 /24:248432
/25:45 /26:38 /27:27 /28:40 /29:46 /30:269
/31:12 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2054 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1544 1855 OJSC "Vimpelcom"
22773 1465 2211 Cox Communications, Inc.
30036 1234 1393 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2044 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 964 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:906 2:836 3:3 4:17 5:1023 6:21
8:609 12:1875 13:3 14:875 15:11 16:3
17:18 18:19 20:25 23:600 24:1759 27:1710
31:1514 32:43 33:2 34:5 36:87 37:1932
38:913 39:5 40:182 41:3222 42:288 44:13
46:2034 47:10 49:693 50:851 52:12 54:44
55:5 56:4 57:26 58:1096 59:573 60:366
61:1465 62:1247 63:1976 64:4374 65:2345 66:4152
67:2094 68:1085 69:3299 70:894 71:488 72:2018
74:2577 75:319 76:293 77:1218 78:1048 79:668
80:1277 81:1050 82:624 83:681 84:586 85:1250
86:375 87:1006 88:554 89:1543 90:151 91:5674
92:612 93:1605 94:2072 95:1532 96:513 97:347
98:1060 99:41 100:31 101:406 103:3683 105:528
106:142 107:216 108:517 109:1993 110:972 111:1112
112:594 113:810 114:743 115:1013 116:991 117:803
118:1184 119:1265 120:331 121:729 122:1781 123:1246
124:1383 125:1429 128:620 129:216 130:336 131:661
132:347 133:158 134:292 135:72 136:275 137:245
138:351 139:173 140:172 141:323 142:536 143:393
144:493 145:90 146:523 147:398 148:726 149:370
150:150 151:649 152:412 153:205 154:53 155:503
156:303 157:367 158:284 159:694 160:360 161:450
162:872 163:205 164:617 165:580 166:260 167:637
168:1036 169:121 170:1107 171:184 172:11 173:1626
174:665 175:513 176:1308 177:2501 178:1872 179:290
180:1586 181:869 182:1392 183:470 184:628 185:1069
186:2658 187:1458 188:1853 189:1255 190:7282 192:7010
193:5420 194:4027 195:3361 196:1326 197:1034 198:4700
199:5473 200:6034 201:2518 202:8807 203:8837 204:4472
205:2634 206:2749 207:2747 208:3961 209:3614 210:2929
211:1567 212:2151 213:1996 214:893 215:86 216:5383
217:1703 218:618 219:316 220:1276 221:584 222:326
223:507
End of report
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