[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 11 Jan 18:03:20 UTC 2019
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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
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 12 Jan, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 733674
Prefixes after maximum aggregation (per Origin AS): 282062
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 353352
Total ASes present in the Internet Routing Table: 62885
Prefixes per ASN: 11.67
Origin-only ASes present in the Internet Routing Table: 54196
Origin ASes announcing only one prefix: 23519
Transit ASes present in the Internet Routing Table: 8689
Transit-only ASes present in the Internet Routing Table: 266
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN ( 16327) 25
Prefixes from unregistered ASNs in the Routing Table: 23
Number of instances of unregistered ASNs: 25
Number of 32-bit ASNs allocated by the RIRs: 25439
Number of 32-bit ASNs visible in the Routing Table: 20634
Prefixes from 32-bit ASNs in the Routing Table: 89143
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 288
Number of addresses announced to Internet: 2841162851
Equivalent to 169 /8s, 88 /16s and 180 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.1
Total number of prefixes smaller than registry allocations: 245674
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 199728
Total APNIC prefixes after maximum aggregation: 57048
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 196822
Unique aggregates announced from the APNIC address blocks: 81412
APNIC Region origin ASes present in the Internet Routing Table: 9352
APNIC Prefixes per ASN: 21.05
APNIC Region origin ASes announcing only one prefix: 2635
APNIC Region transit ASes present in the Internet Routing Table: 1395
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4356
Number of APNIC addresses announced to Internet: 769082882
Equivalent to 45 /8s, 215 /16s and 70 /24s
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, 64297-64395, 131072-139577
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: 217169
Total ARIN prefixes after maximum aggregation: 103060
ARIN Deaggregation factor: 2.11
Prefixes being announced from the ARIN address blocks: 216418
Unique aggregates announced from the ARIN address blocks: 103683
ARIN Region origin ASes present in the Internet Routing Table: 18314
ARIN Prefixes per ASN: 11.82
ARIN Region origin ASes announcing only one prefix: 6811
ARIN Region transit ASes present in the Internet Routing Table: 1845
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2538
Number of ARIN addresses announced to Internet: 1079462304
Equivalent to 64 /8s, 87 /16s and 73 /24s
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, 64198-64296, 393216-399260
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: 201112
Total RIPE prefixes after maximum aggregation: 95726
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 197454
Unique aggregates announced from the RIPE address blocks: 116555
RIPE Region origin ASes present in the Internet Routing Table: 25737
RIPE Prefixes per ASN: 7.67
RIPE Region origin ASes announcing only one prefix: 11482
RIPE Region transit ASes present in the Internet Routing Table: 3615
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 7720
Number of RIPE addresses announced to Internet: 716067520
Equivalent to 42 /8s, 174 /16s and 82 /24s
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, 64396-64495
196608-210331
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: 95416
Total LACNIC prefixes after maximum aggregation: 22002
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 96820
Unique aggregates announced from the LACNIC address blocks: 42306
LACNIC Region origin ASes present in the Internet Routing Table: 7964
LACNIC Prefixes per ASN: 12.16
LACNIC Region origin ASes announcing only one prefix: 2166
LACNIC Region transit ASes present in the Internet Routing Table: 1486
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5513
Number of LACNIC addresses announced to Internet: 173145344
Equivalent to 10 /8s, 81 /16s and 253 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 20225
Total AfriNIC prefixes after maximum aggregation: 4208
AfriNIC Deaggregation factor: 4.81
Prefixes being announced from the AfriNIC address blocks: 25872
Unique aggregates announced from the AfriNIC address blocks: 9135
AfriNIC Region origin ASes present in the Internet Routing Table: 1236
AfriNIC Prefixes per ASN: 20.93
AfriNIC Region origin ASes announcing only one prefix: 425
AfriNIC Region transit ASes present in the Internet Routing Table: 245
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 507
Number of AfriNIC addresses announced to Internet: 102989312
Equivalent to 6 /8s, 35 /16s and 126 /24s
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
4538 4645 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4622 519 520 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3044 1160 91 VIETEL-AS-AP Viettel Group, VN
45899 2990 1721 112 VNPT-AS-VN VNPT Corp, VN
4766 2810 11129 767 KIXS-AS-KR Korea Telecom, KR
9829 2749 1496 551 BSNL-NIB National Internet Backbone, IN
9808 2465 8699 26 CMNET-GD Guangdong Mobile Communication
9394 2405 4906 29 CTTNET China TieTong Telecommunications
4755 2143 437 181 TATACOMM-AS TATA Communications formerl
17974 2088 968 50 TELKOMNET-AS2-AP PT Telekomunikasi Indo
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
6327 3511 1326 92 SHAW - Shaw Communications Inc., CA
11492 3486 225 599 CABLEONE - CABLE ONE, INC., US
22773 3310 2979 174 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2608 5389 982 AMAZON-02 - Amazon.com, Inc., US
16625 2210 1233 1699 AKAMAI-AS - Akamai Technologies, Inc.,
20115 2150 2754 533 CHARTER-20115 - Charter Communications,
18566 2136 405 108 MEGAPATH5-US - MegaPath Corporation, US
30036 2101 350 134 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
5650 2087 3074 1462 FRONTIER-FRTR - Frontier Communications
209 2074 5077 589 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
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
12479 5277 1628 138 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3290 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2635 575 1936 AKAMAI-ASN1, US
12389 2228 2221 626 ROSTELECOM-AS, RU
34984 2055 338 523 TELLCOM-AS, TR
9121 1736 1691 17 TTNET, TR
13188 1604 100 46 TRIOLAN, UA
8402 1301 545 15 CORBINA-AS OJSC "Vimpelcom", RU
9009 1242 135 695 M247, GB
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
8151 5494 3319 592 Uninet S.A. de C.V., MX
10620 3150 475 905 Telmex Colombia S.A., CO
11830 2679 371 71 Instituto Costarricense de Electricidad
6503 1631 449 54 Axtel, S.A.B. de C.V., MX
7303 1441 961 226 Telecom Argentina S.A., AR
28573 1184 2239 183 CLARO S.A., BR
6147 1084 377 29 Telefonica del Peru S.A.A., PE
3816 1026 511 112 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 935 143 66 Alestra, S. de R.L. de C.V., MX
13999 928 535 250 Mega Cable, S.A. de C.V., MX
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
24863 1162 393 22 LINKdotNET-AS, EG
37611 902 107 9 Afrihost, ZA
36903 797 401 139 MT-MPLS, MA
36992 780 1411 44 ETISALAT-MISR, EG
24835 683 634 21 RAYA-AS, EG
8452 635 1731 19 TE-AS TE-AS, EG
29571 481 70 12 ORANGE-COTE-IVOIRE, CI
37492 459 470 57 ORANGE-, TN
15399 417 45 11 WANANCHI-, KE
37342 410 32 1 MOVITEL, MZ
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
8151 5494 3319 592 Uninet S.A. de C.V., MX
12479 5277 1628 138 UNI2-AS, ES
4538 4645 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4622 519 520 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 203 20 ALJAWWALSTC-AS, SA
6327 3511 1326 92 SHAW - Shaw Communications Inc., CA
11492 3486 225 599 CABLEONE - CABLE ONE, INC., US
22773 3310 2979 174 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
8551 3290 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
10620 3150 475 905 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5277 5139 UNI2-AS, ES
4538 4645 4571 ERX-CERNET-BKB China Education and Research Net
7545 4622 4102 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3511 3419 SHAW - Shaw Communications Inc., CA
8551 3290 3247 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 3310 3136 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3044 2953 VIETEL-AS-AP Viettel Group, VN
11492 3486 2887 CABLEONE - CABLE ONE, INC., US
45899 2990 2878 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
4200058511 PRIVATE 103.111.177.0/24 137522 OERL-AS-AP Origin Energy Retai
4200058511 PRIVATE 103.111.178.0/24 137522 OERL-AS-AP Origin Energy Retai
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.184.9.0/24 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.220.64.0/19 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22 134356 UNKNOWN
45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
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 /8:12 /9:10 /10:36 /11:99 /12:292
/13:568 /14:1129 /15:1916 /16:13354 /17:7872 /18:13845
/19:25525 /20:39678 /21:46133 /22:91220 /23:74692 /24:414403
/25:924 /26:822 /27:883 /28:32 /29:18 /30:9
/31:2 /32:200
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4127 5277 UNI2-AS, ES
6327 3274 3511 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2764 3486 CABLEONE - CABLE ONE, INC., US
8551 2746 3290 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2550 3310 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2031 2136 MEGAPATH5-US - MegaPath Corporation, US
11830 2024 2679 Instituto Costarricense de Electricidad y Telec
30036 1849 2101 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
5650 1761 2087 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1613 2:894 3:1 4:23 5:2776 6:43
7:1 8:1176 12:1874 13:306 14:1876 15:37
16:2 17:215 18:59 20:48 23:2566 24:2415
25:2 27:2551 31:2014 32:92 35:31 36:822
37:3006 38:1606 39:283 40:122 41:3153 42:726
43:2006 44:140 45:6525 46:3150 47:244 49:1332
50:1083 51:319 52:1081 54:363 55:1 56:6
57:41 58:1714 59:1071 60:456 61:2079 62:2206
63:1813 64:5101 65:2193 66:4817 67:2684 68:1170
69:3455 70:1145 71:601 72:2281 74:2750 75:415
76:543 77:1718 78:1747 79:2323 80:1647 81:1432
82:1068 83:878 84:1080 85:2139 86:562 87:1536
88:994 89:2398 90:213 91:6540 92:1224 93:2381
94:2401 95:3190 96:908 97:349 98:939 99:169
100:87 101:1157 102:339 103:19758 104:3573 105:243
106:895 107:1826 108:697 109:3634 110:1637 111:1867
112:1398 113:1379 114:1154 115:1709 116:1622 117:1915
118:2199 119:1684 120:1056 121:1030 122:2368 123:1640
124:1446 125:1953 128:1196 129:691 130:525 131:1622
132:716 133:213 134:1043 135:230 136:541 137:676
138:1977 139:796 140:566 141:762 142:802 143:1010
144:896 145:504 146:1246 147:774 148:1704 149:805
150:782 151:1000 152:975 153:325 154:2435 155:969
156:1640 157:859 158:656 159:1903 160:1492 161:898
162:2663 163:774 164:1118 165:1581 166:462 167:1364
168:3234 169:872 170:4039 171:497 172:1059 173:2146
174:1003 175:878 176:2290 177:4052 178:2567 179:1295
180:2089 181:2355 182:2678 183:1057 184:1136 185:14558
186:3714 187:2515 188:2976 189:2104 190:8270 191:1438
192:10038 193:6500 194:5334 195:4033 196:2913 197:1724
198:5696 199:5963 200:7395 201:5028 202:10188 203:10176
204:4635 205:3017 206:3301 207:3283 208:3945 209:4225
210:3917 211:1994 212:3081 213:2805 214:1067 215:52
216:5973 217:2188 218:889 219:575 220:1835 221:995
222:978 223:1427
End of report
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