[lacnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora en apnic.net
Vie Ago 9 15:03:53 -03 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 en lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
Routing Table Report 04:00 +10GMT Sat 10 Aug, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 767230
Prefixes after maximum aggregation (per Origin AS): 295222
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 369331
Total ASes present in the Internet Routing Table: 65109
Prefixes per ASN: 11.78
Origin-only ASes present in the Internet Routing Table: 55990
Origin ASes announcing only one prefix: 23960
Transit ASes present in the Internet Routing Table: 9119
Transit-only ASes present in the Internet Routing Table: 277
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 42
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 28
Number of instances of unregistered ASNs: 28
Number of 32-bit ASNs allocated by the RIRs: 28163
Number of 32-bit ASNs visible in the Routing Table: 22999
Prefixes from 32-bit ASNs in the Routing Table: 104209
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 319
Number of addresses announced to Internet: 2842564736
Equivalent to 169 /8s, 110 /16s and 24 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.3
Total number of prefixes smaller than registry allocations: 256682
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 206978
Total APNIC prefixes after maximum aggregation: 61718
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 202028
Unique aggregates announced from the APNIC address blocks: 84218
APNIC Region origin ASes present in the Internet Routing Table: 9953
APNIC Prefixes per ASN: 20.30
APNIC Region origin ASes announcing only one prefix: 2753
APNIC Region transit ASes present in the Internet Routing Table: 1486
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4951
Number of APNIC addresses announced to Internet: 771164416
Equivalent to 45 /8s, 247 /16s and 9 /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, 131072-141625
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: 226878
Total ARIN prefixes after maximum aggregation: 106045
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 225722
Unique aggregates announced from the ARIN address blocks: 107208
ARIN Region origin ASes present in the Internet Routing Table: 18543
ARIN Prefixes per ASN: 12.17
ARIN Region origin ASes announcing only one prefix: 6851
ARIN Region transit ASes present in the Internet Routing Table: 1911
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2846
Number of ARIN addresses announced to Internet: 1070644096
Equivalent to 63 /8s, 208 /16s and 187 /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, 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: 213917
Total RIPE prefixes after maximum aggregation: 100258
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 210214
Unique aggregates announced from the RIPE address blocks: 123893
RIPE Region origin ASes present in the Internet Routing Table: 26313
RIPE Prefixes per ASN: 7.99
RIPE Region origin ASes announcing only one prefix: 11623
RIPE Region transit ASes present in the Internet Routing Table: 3738
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8355
Number of RIPE addresses announced to Internet: 721023744
Equivalent to 42 /8s, 249 /16s and 243 /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: 98588
Total LACNIC prefixes after maximum aggregation: 22831
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 99842
Unique aggregates announced from the LACNIC address blocks: 44130
LACNIC Region origin ASes present in the Internet Routing Table: 8700
LACNIC Prefixes per ASN: 11.48
LACNIC Region origin ASes announcing only one prefix: 2277
LACNIC Region transit ASes present in the Internet Routing Table: 1608
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6259
Number of LACNIC addresses announced to Internet: 173506048
Equivalent to 10 /8s, 87 /16s and 126 /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: 20840
Total AfriNIC prefixes after maximum aggregation: 4347
AfriNIC Deaggregation factor: 4.79
Prefixes being announced from the AfriNIC address blocks: 29105
Unique aggregates announced from the AfriNIC address blocks: 9593
AfriNIC Region origin ASes present in the Internet Routing Table: 1306
AfriNIC Prefixes per ASN: 22.29
AfriNIC Region origin ASes announcing only one prefix: 456
AfriNIC Region transit ASes present in the Internet Routing Table: 251
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 588
Number of AfriNIC addresses announced to Internet: 105970944
Equivalent to 6 /8s, 80 /16s and 253 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7545 4876 595 572 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3230 1459 31 VIETEL-AS-AP Viettel Group, VN
45899 3057 1766 113 VNPT-AS-VN VNPT Corp, VN
9829 2732 1494 547 BSNL-NIB National Internet Backbone, IN
9808 2730 9043 63 CMNET-GD Guangdong Mobile Communication
4766 2523 11118 756 KIXS-AS-KR Korea Telecom, KR
7713 2226 670 591 TELKOMNET-AS-AP PT Telekomunikasi Indon
4755 2156 442 192 TATACOMM-AS TATA Communications formerl
9498 2153 431 210 BBIL-AP BHARTI Airtel Ltd., IN
9394 2066 4898 24 CTTNET China TieTong Telecommunications
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
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3676 240 621 CABLEONE - CABLE ONE, INC., US
6327 3533 1324 90 SHAW - Shaw Communications Inc., CA
22773 3451 2974 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 3069 6392 1455 AMAZON-02 - Amazon.com, Inc., US
16625 2678 1406 1939 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2171 348 213 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2150 2756 532 CHARTER-20115 - Charter Communications,
18566 2093 405 107 MEGAPATH5-US - MegaPath Corporation, US
5650 2073 3073 1451 FRONTIER-FRTR - Frontier Communications
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 5489 1629 141 UNI2-AS, ES
39891 3780 219 19 ALJAWWALSTC-AS, SA
8551 3326 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2726 505 1929 AKAMAI-ASN1, US
31334 2612 484 13 KABELDEUTSCHLAND-AS, DE
12389 2363 2230 662 ROSTELECOM-AS, RU
34984 2116 346 545 TELLCOM-AS, TR
9009 1665 180 910 M247, GB
9121 1605 1692 18 TTNET, TR
13188 1604 100 47 TRIOLAN, UA
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 6228 3370 597 Uninet S.A. de C.V., MX
10620 3384 533 455 Telmex Colombia S.A., CO
11830 2691 370 54 Instituto Costarricense de Electricidad
6503 1612 379 417 Axtel, S.A.B. de C.V., MX
7303 1477 1026 276 Telecom Argentina S.A., AR
28573 1178 2238 208 CLARO S.A., BR
6147 1092 377 31 Telefonica del Peru S.A.A., PE
3816 1046 526 119 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 988 478 246 Mega Cable, S.A. de C.V., MX
11172 936 111 60 Alestra, S. de R.L. 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 1114 393 21 LINKdotNET-AS, EG
36992 923 1535 76 ETISALAT-MISR, EG
24835 888 634 22 RAYA-AS, EG
36903 843 424 112 MT-MPLS, MA
8452 669 1859 20 TE-AS TE-AS, EG
29571 523 68 11 ORANGE-COTE-IVOIRE, CI
37492 482 470 57 ORANGE-, TN
15399 414 45 11 WANANCHI-, KE
37342 414 32 1 MOVITEL, MZ
15706 361 32 6 Sudatel, SD
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 6228 3370 597 Uninet S.A. de C.V., MX
12479 5489 1629 141 UNI2-AS, ES
7545 4876 595 572 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 219 19 ALJAWWALSTC-AS, SA
11492 3676 240 621 CABLEONE - CABLE ONE, INC., US
6327 3533 1324 90 SHAW - Shaw Communications Inc., CA
22773 3451 2974 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3384 533 455 Telmex Colombia S.A., CO
8551 3326 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
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 5489 5348 UNI2-AS, ES
7545 4876 4304 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 3761 ALJAWWALSTC-AS, SA
6327 3533 3443 SHAW - Shaw Communications Inc., CA
22773 3451 3293 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3326 3280 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3230 3199 VIETEL-AS-AP Viettel Group, VN
11492 3676 3055 CABLEONE - CABLE ONE, INC., US
45899 3057 2944 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
260984 UNALLOCATED 45.175.186.0/23 16735 ALGAR TELECOM S/A, BR
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
64511 DOCUMENT 66.154.208.0/21 32522 MULTNOMAH-ESD - Multnomah Educ
64511 DOCUMENT 66.154.216.0/23 32522 MULTNOMAH-ESD - Multnomah Educ
64511 DOCUMENT 66.154.218.0/24 32522 MULTNOMAH-ESD - Multnomah Educ
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
66088 UNALLOCATED 103.136.230.0/24 138903 KHILGAON-AS-AP KHILGAON DOT NE
65549 DOCUMENT 117.239.163.0/24 65544 UNKNOWN
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
36.255.24.0/24 40676 AS40676 - Psychz Networks, US
36.255.25.0/24 40676 AS40676 - Psychz Networks, US
36.255.26.0/24 40676 AS40676 - Psychz Networks, US
36.255.27.0/24 40676 AS40676 - Psychz Networks, US
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
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 /8:10 /9:11 /10:38 /11:102 /12:293
/13:571 /14:1131 /15:1896 /16:13262 /17:8045 /18:13922
/19:25818 /20:40411 /21:47312 /22:95599 /23:77522 /24:440215
/25:1072 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4445 5489 UNI2-AS, ES
6327 3322 3533 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3780 ALJAWWALSTC-AS, SA
11492 2881 3676 CABLEONE - CABLE ONE, INC., US
8551 2779 3326 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2680 3451 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2501 2612 KABELDEUTSCHLAND-AS, DE
11830 2039 2691 Instituto Costarricense de Electricidad y Telec
18566 1988 2093 MEGAPATH5-US - MegaPath Corporation, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1729 2:1068 3:6 4:20 5:3066 6:49
7:1 8:1343 9:1 12:1793 13:391 14:2081
15:41 16:7 17:265 18:80 20:57 23:2866
24:2586 25:4 27:2449 31:2703 32:106 35:38
36:920 37:3140 38:1798 39:294 40:107 41:3313
42:836 43:2072 44:169 45:9499 46:3401 47:264
49:1435 50:1096 51:340 52:1014 54:273 55:641
56:6 57:47 58:1889 59:1107 60:564 61:2186
62:1970 63:1848 64:5008 65:2236 66:4786 67:2731
68:1182 69:3575 70:1382 71:661 72:2677 74:2695
75:1294 76:572 77:2541 78:1855 79:2373 80:1822
81:1490 82:1148 83:943 84:1155 85:2315 86:550
87:1533 88:1055 89:2563 90:223 91:6604 92:1443
93:2482 94:2504 95:3633 96:946 97:341 98:944
99:815 100:88 101:1188 102:606 103:21861 104:3630
105:282 106:793 107:1783 108:700 109:3784 110:1726
111:2007 112:1541 113:1404 114:1278 115:1751 116:1759
117:1967 118:2217 119:1640 120:1060 121:1064 122:2293
123:1805 124:1513 125:2033 128:1383 129:855 130:554
131:1828 132:771 133:223 134:1089 135:258 136:584
137:799 138:2080 139:919 140:616 141:894 142:784
143:1088 144:887 145:276 146:1370 147:838 148:1762
149:1013 150:822 151:1019 152:1110 153:345 154:4368
155:886 156:1995 157:1051 158:678 159:1951 160:1605
161:955 162:2983 163:834 164:1239 165:1177 166:516
167:1407 168:3457 169:482 170:4207 171:614 172:1702
173:2218 174:1039 175:993 176:2458 177:4009 178:2740
179:1391 180:2151 181:2368 182:2757 183:1113 184:2285
185:15445 186:3695 187:2485 188:3501 189:2016 190:8228
191:1463 192:10101 193:6752 194:5501 195:4181 196:3081
197:1745 198:5943 199:5975 200:7160 201:5121 202:10380
203:10247 204:4559 205:3074 206:3232 207:3247 208:3948
209:4283 210:3942 211:2032 212:3245 213:2952 214:1127
215:54 216:5906 217:2241 218:875 219:607 220:1923
221:969 222:980 223:1374
End of report
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