Routing Table Report 09:00 +10GMT Sat 30 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 468286
Prefixes after maximum aggregation: 188391
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234475
Total ASes present in the Internet Routing Table: 45468
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 35449
Origin ASes announcing only one prefix: 16290
Transit ASes present in the Internet Routing Table: 5801
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: 961
Unregistered ASNs in the Routing Table: 256
Number of 32-bit ASNs allocated by the RIRs: 5418
Number of 32-bit ASNs visible in the Routing Table: 4218
Prefixes from 32-bit ASNs in the Routing Table: 13276
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1238
Number of addresses announced to Internet: 2655169120
Equivalent to 158 /8s, 66 /16s and 170 /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: 164016
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108080
Total APNIC prefixes after maximum aggregation: 33440
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 110380
Unique aggregates announced from the APNIC address blocks: 47675
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.80
APNIC Region origin ASes announcing only one prefix: 1230
APNIC Region transit ASes present in the Internet Routing Table: 815
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: 764
Number of APNIC addresses announced to Internet: 727489792
Equivalent to 43 /8s, 92 /16s and 157 /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: 162965
Total ARIN prefixes after maximum aggregation: 81301
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163477
Unique aggregates announced from the ARIN address blocks: 75763
ARIN Region origin ASes present in the Internet Routing Table: 15877
ARIN Prefixes per ASN: 10.30
ARIN Region origin ASes announcing only one prefix: 6005
ARIN Region transit ASes present in the Internet Routing Table: 1605
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: 40
Number of ARIN addresses announced to Internet: 1073162752
Equivalent to 63 /8s, 247 /16s and 42 /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: 119017
Total RIPE prefixes after maximum aggregation: 61036
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123065
Unique aggregates announced from the RIPE address blocks: 78739
RIPE Region origin ASes present in the Internet Routing Table: 17529
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8297
RIPE Region transit ASes present in the Internet Routing Table: 2783
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2498
Number of RIPE addresses announced to Internet: 656208992
Equivalent to 39 /8s, 28 /16s and 244 /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: 52579
Total LACNIC prefixes after maximum aggregation: 9816
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57777
Unique aggregates announced from the LACNIC address blocks: 27281
LACNIC Region origin ASes present in the Internet Routing Table: 2039
LACNIC Prefixes per ASN: 28.34
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 385
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: 908
Number of LACNIC addresses announced to Internet: 145586688
Equivalent to 8 /8s, 173 /16s and 122 /24s
Percentage of available LACNIC address space announced: 86.8
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: 11700
Total AfriNIC prefixes after maximum aggregation: 2591
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12349
Unique aggregates announced from the AfriNIC address blocks: 4022
AfriNIC Region origin ASes present in the Internet Routing Table: 685
AfriNIC Prefixes per ASN: 18.03
AfriNIC Region origin ASes announcing only one prefix: 205
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: 8
Number of AfriNIC addresses announced to Internet: 48549888
Equivalent to 2 /8s, 228 /16s and 208 /24s
Percentage of available AfriNIC address space announced: 48.2
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 2717 902 90 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2096 319 110 TPG Internet Pty Ltd
4755 1777 391 189 TATA Communications formerly
9829 1535 1245 45 BSNL National Internet Backbo
9583 1251 95 510 Sify Limited
9498 1216 309 73 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1102 382 166 Bharti Airtel Ltd., Telemedia
4808 1082 2020 308 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 1683 1653 600 Charter Communications
4323 1650 1106 419 Time Warner Telecom
701 1504 11144 778 MCI Communications Services,
7029 1467 1257 163 Windstream Communications Inc
30036 1390 313 582 Mediacom Communications Corp
7018 1344 17798 882 AT&T WorldNet Services
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 1847 544 16 OJSC "Vimpelcom"
34984 1367 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1183 448 887 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 897 99 48 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 786 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 680 798 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 3405 1807 90 NET Servicos de Comunicao S.A
10620 2673 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1706 908 20 Global Village Telecom
8151 1347 2850 415 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 820 94 91 Telconet S.A
6147 791 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 771 434 61 AVANTEL, 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 868 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 251 921 209 The Internet Solution
29571 229 21 15 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 3405 1807 90 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2717 902 90 PT TELEKOMUNIKASI INDONESIA
10620 2673 433 213 Telmex Colombia S.A.
22773 2211 2939 137 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2096 319 110 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 2717 2627 PT TELEKOMUNIKASI INDONESIA
10620 2673 2460 Telmex Colombia S.A.
22773 2211 2074 Cox Communications, Inc.
7545 2096 1986 TPG Internet Pty Ltd
1785 2044 1911 PaeTec Communications, Inc.
18566 2054 1876 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1847 1831 OJSC "Vimpelcom"
18881 1706 1686 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
/13:471 /14:922 /15:1622 /16:12786 /17:6698 /18:11094
/19:22884 /20:32791 /21:35436 /22:49584 /23:43706 /24:249383
/25:45 /26:38 /27:27 /28:40 /29:47 /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 1533 1847 OJSC "Vimpelcom"
22773 1465 2211 Cox Communications, Inc.
30036 1232 1390 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2044 PaeTec Communications, Inc.
7029 1045 1467 Windstream Communications Inc
6983 1035 1294 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:909 2:831 3:3 4:17 5:1023 6:21
8:608 12:1875 13:3 14:878 15:11 16:3
17:18 18:19 20:25 23:604 24:1759 27:1700
31:1517 32:43 33:2 34:5 36:95 37:1944
38:913 39:5 40:185 41:3242 42:319 44:13
46:2061 47:10 49:693 50:850 52:12 54:44
55:5 56:4 57:26 58:1095 59:575 60:366
61:1465 62:1247 63:1976 64:4389 65:2354 66:4248
67:2102 68:1101 69:3299 70:946 71:515 72:2023
74:2627 75:394 76:293 77:1216 78:1041 79:667
80:1270 81:1052 82:629 83:690 84:585 85:1254
86:381 87:1023 88:551 89:1553 90:154 91:5688
92:612 93:1613 94:2082 95:1516 96:512 97:347
98:1080 99:41 100:30 101:409 103:3702 105:530
106:143 107:216 108:517 109:1998 110:977 111:1119
112:579 113:800 114:745 115:1015 116:992 117:804
118:1211 119:1265 120:333 121:729 122:1784 123:1246
124:1383 125:1431 128:622 129:217 130:336 131:662
132:346 133:158 134:292 135:72 136:275 137:245
138:350 139:175 140:172 141:324 142:539 143:393
144:496 145:90 146:540 147:417 148:729 149:370
150:150 151:663 152:413 153:207 154:53 155:506
156:303 157:369 158:283 159:694 160:360 161:451
162:914 163:206 164:617 165:580 166:282 167:637
168:1036 169:121 170:1107 171:185 172:12 173:1670
174:721 175:520 176:1324 177:2529 178:1882 179:291
180:1588 181:875 182:1401 183:471 184:640 185:1073
186:2641 187:1460 188:1855 189:1252 190:7259 192:7005
193:5428 194:4024 195:3357 196:1333 197:1029 198:4684
199:5475 200:6043 201:2523 202:8804 203:8825 204:4460
205:2635 206:2763 207:2747 208:3961 209:3660 210:2932
211:1567 212:2148 213:2002 214:890 215:86 216:5417
217:1704 218:622 219:316 220:1270 221:585 222:330
223:512
End of report