[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 17 18:11:32 UTC 2014
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 18 Oct, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 514323
Prefixes after maximum aggregation: 199484
Deaggregation factor: 2.58
Unique aggregates announced to Internet: 253096
Total ASes present in the Internet Routing Table: 48320
Prefixes per ASN: 10.64
Origin-only ASes present in the Internet Routing Table: 36273
Origin ASes announcing only one prefix: 16350
Transit ASes present in the Internet Routing Table: 6150
Transit-only ASes present in the Internet Routing Table: 168
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 118
Max AS path prepend of ASN ( 55644) 111
Prefixes from unregistered ASNs in the Routing Table: 1847
Unregistered ASNs in the Routing Table: 448
Number of 32-bit ASNs allocated by the RIRs: 7652
Number of 32-bit ASNs visible in the Routing Table: 5897
Prefixes from 32-bit ASNs in the Routing Table: 20879
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 344
Number of addresses announced to Internet: 2711955588
Equivalent to 161 /8s, 165 /16s and 40 /24s
Percentage of available address space announced: 73.3
Percentage of allocated address space announced: 73.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.9
Total number of prefixes smaller than registry allocations: 176391
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 125598
Total APNIC prefixes after maximum aggregation: 36783
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 129541
Unique aggregates announced from the APNIC address blocks: 53632
APNIC Region origin ASes present in the Internet Routing Table: 4976
APNIC Prefixes per ASN: 26.03
APNIC Region origin ASes announcing only one prefix: 1187
APNIC Region transit ASes present in the Internet Routing Table: 854
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 118
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1133
Number of APNIC addresses announced to Internet: 735980480
Equivalent to 43 /8s, 222 /16s and 43 /24s
Percentage of available APNIC address space announced: 86.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 171583
Total ARIN prefixes after maximum aggregation: 85311
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 173348
Unique aggregates announced from the ARIN address blocks: 81069
ARIN Region origin ASes present in the Internet Routing Table: 16381
ARIN Prefixes per ASN: 10.58
ARIN Region origin ASes announcing only one prefix: 6108
ARIN Region transit ASes present in the Internet Routing Table: 1693
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 225
Number of ARIN addresses announced to Internet: 1052731072
Equivalent to 62 /8s, 191 /16s and 102 /24s
Percentage of available ARIN address space announced: 55.7
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: 125359
Total RIPE prefixes after maximum aggregation: 63697
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 130763
Unique aggregates announced from the RIPE address blocks: 82810
RIPE Region origin ASes present in the Internet Routing Table: 17786
RIPE Prefixes per ASN: 7.35
RIPE Region origin ASes announcing only one prefix: 8204
RIPE Region transit ASes present in the Internet Routing Table: 2907
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3128
Number of RIPE addresses announced to Internet: 692188036
Equivalent to 41 /8s, 65 /16s and 243 /24s
Percentage of available RIPE address space announced: 100.6
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, 196608-202239
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: 58702
Total LACNIC prefixes after maximum aggregation: 10791
LACNIC Deaggregation factor: 5.44
Prefixes being announced from the LACNIC address blocks: 67386
Unique aggregates announced from the LACNIC address blocks: 30524
LACNIC Region origin ASes present in the Internet Routing Table: 2344
LACNIC Prefixes per ASN: 28.75
LACNIC Region origin ASes announcing only one prefix: 638
LACNIC Region transit ASes present in the Internet Routing Table: 463
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1356
Number of LACNIC addresses announced to Internet: 171237504
Equivalent to 10 /8s, 52 /16s and 224 /24s
Percentage of available LACNIC address space announced: 102.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 12101
Total AfriNIC prefixes after maximum aggregation: 2854
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 12941
Unique aggregates announced from the AfriNIC address blocks: 4757
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 17.61
AfriNIC Region origin ASes announcing only one prefix: 213
AfriNIC Region transit ASes present in the Internet Routing Table: 154
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 55
Number of AfriNIC addresses announced to Internet: 59521792
Equivalent to 3 /8s, 140 /16s and 59 /24s
Percentage of available AfriNIC address space announced: 59.1
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
4766 2946 11584 926 Korea Telecom
17974 2827 903 77 PT Telekomunikasi Indonesia
7545 2398 336 124 TPG Telecom Limited
4755 1917 412 189 TATA Communications formerly
9829 1652 1306 39 National Internet Backbone
4808 1407 2204 419 CNCGROUP IP network China169
9808 1386 6639 15 Guangdong Mobile Communicatio
9498 1307 333 91 BHARTI Airtel Ltd.
9583 1306 104 529 Sify Limited
7552 1198 1098 14 Viettel Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 2903 2941 144 Cox Communications Inc.
6389 2896 3688 51 BellSouth.net Inc.
18566 2046 379 182 MegaPath Corporation
7029 1908 1958 316 Windstream Communications Inc
20115 1806 1788 480 Charter Communications
4323 1636 1052 410 tw telecom holdings, inc.
6983 1527 867 252 ITC^Deltacom
30036 1481 308 618 Mediacom Communications Corp
701 1430 11266 714 MCI Communications Services,
22561 1305 408 237 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
34984 1826 297 349 TELLCOM ILETISIM HIZMETLERI A
20940 1500 583 1105 Akamai International B.V.
8402 1421 544 15 OJSC "Vimpelcom"
31148 1044 45 21 Freenet Ltd.
13188 1037 100 29 TOV "Bank-Inform"
8551 965 372 41 Bezeq International-Ltd
6849 835 356 26 JSC "Ukrtelecom"
6830 781 2338 434 Liberty Global Operations B.V
12479 750 784 96 France Telecom Espana SA
9198 667 346 29 JSC Kazakhtelecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 2994 485 254 Telmex Colombia S.A.
28573 2899 2315 110 NET Serviços de Comunicação S
6147 1794 374 30 Telefonica del Peru S.A.A.
7303 1756 1162 239 Telecom Argentina S.A.
8151 1476 3008 434 Uninet S.A. de C.V.
6503 1109 434 61 Axtel, S.A.B. de C.V.
7738 999 1882 41 Telemar Norte Leste S.A.
26615 914 2325 35 Tim Celular S.A.
27947 911 130 51 Telconet S.A
3816 888 383 154 COLOMBIA TELECOMUNICACIONES S
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1377 958 13 TE-AS
24863 949 280 26 Link Egypt (Link.NET)
6713 678 760 38 Office National des Postes et
36992 351 824 28 ETISALAT MISR
24835 307 144 9 Vodafone Data
3741 249 920 212 Internet Solutions
29571 245 22 17 Cote d'Ivoire Telecom
37054 230 19 6 Data Telecom Service
15706 186 17 6 Sudatel (Sudan Telecom Co. Lt
37457 175 160 4 Telkom SA Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 2994 485 254 Telmex Colombia S.A.
4766 2946 11584 926 Korea Telecom
22773 2903 2941 144 Cox Communications Inc.
28573 2899 2315 110 NET Serviços de Comunicação S
6389 2896 3688 51 BellSouth.net Inc.
17974 2827 903 77 PT Telekomunikasi Indonesia
7545 2398 336 124 TPG Telecom Limited
18566 2046 379 182 MegaPath Corporation
4755 1917 412 189 TATA Communications formerly
7029 1908 1958 316 Windstream Communications Inc
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2896 2845 BellSouth.net Inc.
28573 2899 2789 NET Serviços de Comunicação S
22773 2903 2759 Cox Communications Inc.
17974 2827 2750 PT Telekomunikasi Indonesia
7545 2398 2274 TPG Telecom Limited
4766 2946 2020 Korea Telecom
18566 2046 1864 MegaPath Corporation
6147 1794 1764 Telefonica del Peru S.A.A.
4755 1917 1728 TATA Communications formerly
9829 1652 1613 National Internet Backbone
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/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 /9:12 /10:31 /11:90 /12:262
/13:502 /14:1005 /15:1712 /16:13039 /17:7121 /18:11854
/19:24635 /20:35174 /21:37275 /22:54800 /23:48069 /24:275809
/25:1093 /26:1062 /27:705 /28:14 /29:19 /30:10
/31:1 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2134 2903 Cox Communications Inc.
18566 2001 2046 MegaPath Corporation
6389 1676 2896 BellSouth.net Inc.
6147 1358 1794 Telefonica del Peru S.A.A.
30036 1328 1481 Mediacom Communications Corp
6983 1217 1527 ITC^Deltacom
34984 1146 1826 TELLCOM ILETISIM HIZMETLERI A
7029 1144 1908 Windstream Communications Inc
11492 1124 1175 CABLE ONE, INC.
8402 1089 1421 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1352 2:678 3:3 4:17 5:1177 6:21
8:759 12:1850 13:4 14:1149 15:17 16:2
17:42 18:21 20:51 23:947 24:1769 27:1820
31:1322 32:40 33:2 34:5 36:160 37:1804
38:1005 39:20 40:227 41:2988 42:254 43:524
44:18 45:80 46:2071 47:27 49:734 50:799
52:12 54:51 55:3 56:10 57:32 58:1138
59:645 60:435 61:1729 62:1264 63:1829 64:4390
65:2274 66:4208 67:2036 68:1083 69:3262 70:873
71:477 72:1983 74:2612 75:375 76:412 77:1608
78:1017 79:765 80:1329 81:1261 82:792 83:657
84:727 85:1353 86:438 87:1152 88:497 89:1806
90:138 91:5794 92:775 93:1671 94:2033 95:1290
96:430 97:340 98:1100 99:48 100:65 101:731
103:5877 104:472 105:150 106:187 107:648 108:580
109:2000 110:1044 111:1381 112:720 113:901 114:806
115:1169 116:1145 117:1024 118:1537 119:1368 120:440
121:963 122:2200 123:1661 124:1446 125:1491 128:631
129:356 130:372 131:921 132:431 133:165 134:323
135:80 136:322 137:316 138:379 139:199 140:222
141:408 142:599 143:439 144:512 145:111 146:677
147:559 148:998 149:389 150:495 151:590 152:477
153:240 154:401 155:568 156:375 157:331 158:279
159:947 160:327 161:604 162:1805 163:403 164:646
165:669 166:365 167:680 168:1126 169:123 170:1414
171:188 172:60 173:1635 174:710 175:607 176:1521
177:3618 178:2096 179:798 180:1762 181:1766 182:1664
183:572 184:706 185:2203 186:2995 187:1647 188:2008
189:1486 190:7908 191:777 192:7704 193:5553 194:4061
195:3611 196:1635 197:758 198:5278 199:5466 200:6472
201:2901 202:9138 203:9077 204:4700 205:2655 206:3089
207:2968 208:3922 209:3762 210:3298 211:1827 212:2377
213:2168 214:861 215:85 216:5606 217:1713 218:614
219:391 220:1374 221:744 222:481 223:600
End of report
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