[lacnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora en apnic.net
Vie Feb 21 15:03:52 GMT+3 2020
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 22 Feb, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 797399
Prefixes after maximum aggregation (per Origin AS): 303488
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 389804
Total ASes present in the Internet Routing Table: 67104
Prefixes per ASN: 11.88
Origin-only ASes present in the Internet Routing Table: 57658
Origin ASes announcing only one prefix: 24213
Transit ASes present in the Internet Routing Table: 9446
Transit-only ASes present in the Internet Routing Table: 284
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 34
Max AS path prepend of ASN (206156) 26
Prefixes from unregistered ASNs in the Routing Table: 1181
Number of instances of unregistered ASNs: 1186
Number of 32-bit ASNs allocated by the RIRs: 30632
Number of 32-bit ASNs visible in the Routing Table: 25219
Prefixes from 32-bit ASNs in the Routing Table: 115818
Number of bogon 32-bit ASNs visible in the Routing Table: 22
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1138
Number of addresses announced to Internet: 2853607040
Equivalent to 170 /8s, 22 /16s and 150 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.4
Total number of prefixes smaller than registry allocations: 268351
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 210760
Total APNIC prefixes after maximum aggregation: 61530
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 204036
Unique aggregates announced from the APNIC address blocks: 85081
APNIC Region origin ASes present in the Internet Routing Table: 10346
APNIC Prefixes per ASN: 19.72
APNIC Region origin ASes announcing only one prefix: 2847
APNIC Region transit ASes present in the Internet Routing Table: 1552
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5410
Number of APNIC addresses announced to Internet: 768263168
Equivalent to 45 /8s, 202 /16s and 196 /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: 234530
Total ARIN prefixes after maximum aggregation: 107780
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 232216
Unique aggregates announced from the ARIN address blocks: 117409
ARIN Region origin ASes present in the Internet Routing Table: 18404
ARIN Prefixes per ASN: 12.62
ARIN Region origin ASes announcing only one prefix: 6749
ARIN Region transit ASes present in the Internet Routing Table: 1908
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: 3170
Number of ARIN addresses announced to Internet: 1079096832
Equivalent to 64 /8s, 81 /16s and 182 /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: 225915
Total RIPE prefixes after maximum aggregation: 104821
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 222578
Unique aggregates announced from the RIPE address blocks: 130789
RIPE Region origin ASes present in the Internet Routing Table: 26853
RIPE Prefixes per ASN: 8.29
RIPE Region origin ASes announcing only one prefix: 11719
RIPE Region transit ASes present in the Internet Routing Table: 3812
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8937
Number of RIPE addresses announced to Internet: 723959424
Equivalent to 43 /8s, 38 /16s and 190 /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: 103345
Total LACNIC prefixes after maximum aggregation: 24123
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 104610
Unique aggregates announced from the LACNIC address blocks: 45591
LACNIC Region origin ASes present in the Internet Routing Table: 9467
LACNIC Prefixes per ASN: 11.05
LACNIC Region origin ASes announcing only one prefix: 2412
LACNIC Region transit ASes present in the Internet Routing Table: 1770
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7037
Number of LACNIC addresses announced to Internet: 173986048
Equivalent to 10 /8s, 94 /16s and 209 /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: 21667
Total AfriNIC prefixes after maximum aggregation: 4490
AfriNIC Deaggregation factor: 4.83
Prefixes being announced from the AfriNIC address blocks: 32821
Unique aggregates announced from the AfriNIC address blocks: 9930
AfriNIC Region origin ASes present in the Internet Routing Table: 1372
AfriNIC Prefixes per ASN: 23.92
AfriNIC Region origin ASes announcing only one prefix: 486
AfriNIC Region transit ASes present in the Internet Routing Table: 264
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 665
Number of AfriNIC addresses announced to Internet: 107623168
Equivalent to 6 /8s, 106 /16s and 51 /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 5298 663 617 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4623 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3329 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3131 1794 110 VNPT-AS-VN VNPT Corp, VN
7713 2702 831 493 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2620 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2285 11102 561 KIXS-AS-KR Korea Telecom, KR
9498 2241 433 219 BBIL-AP BHARTI Airtel Ltd., IN
4755 2138 441 193 TATACOMM-AS TATA Communications formerl
9394 2077 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 4040 280 28 VIASAT-SP-BACKBONE, US
11492 3999 266 655 CABLEONE, US
16509 3853 7815 1701 AMAZON-02, US
22773 3532 2971 151 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3384 1324 92 SHAW, CA
16625 2988 1569 2139 AKAMAI-AS, US
209 2384 5076 533 CENTURYLINK-US-LEGACY-QWEST, US
30036 2310 360 95 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2290 2941 1631 FRONTIER-FRTR, US
20115 2143 2795 520 CHARTER-20115, US
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 5920 1599 131 UNI2-AS, ES
31334 3961 484 13 KABELDEUTSCHLAND-AS, DE
39891 3776 203 20 ALJAWWALSTC-AS, SA
8551 3287 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2885 462 1981 AKAMAI-ASN1, US
12389 2480 2248 731 ROSTELECOM-AS, RU
34984 2075 349 561 TELLCOM-AS, TR
9009 2057 218 1096 M247, GB
9121 1916 1691 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 6249 3299 598 Uninet S.A. de C.V., MX
10620 3364 534 443 Telmex Colombia S.A., CO
11830 2672 369 63 Instituto Costarricense de Electricidad
6503 1672 323 389 Axtel, S.A.B. de C.V., MX
7303 1557 1030 265 Telecom Argentina S.A., AR
28573 1328 2229 189 CLARO S.A., BR
13999 1223 497 288 Mega Cable, S.A. de C.V., MX
6147 1127 379 39 Telefonica del Peru S.A.A., PE
3816 1103 563 137 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 955 112 69 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 1239 393 22 LINKdotNET-AS, EG
24835 1099 566 24 RAYA-AS, EG
36992 1045 1535 74 ETISALAT-MISR, EG
36903 876 452 97 MT-MPLS, MA
6713 601 1863 34 IAM-AS, MA
29571 557 68 11 ORANGE-COTE-IVOIRE, CI
37342 482 32 1 MOVITEL, MZ
36935 386 522 40 Vodafone-, EG
15399 373 45 10 WANANCHI-, KE
23889 373 231 15 MauritiusTelecom, MU
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 6249 3299 598 Uninet S.A. de C.V., MX
12479 5920 1599 131 UNI2-AS, ES
7545 5298 663 617 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4623 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4040 280 28 VIASAT-SP-BACKBONE, US
11492 3999 266 655 CABLEONE, US
31334 3961 484 13 KABELDEUTSCHLAND-AS, DE
16509 3853 7815 1701 AMAZON-02, US
39891 3776 203 20 ALJAWWALSTC-AS, SA
22773 3532 2971 151 ASN-CXA-ALL-CCI-22773-RDC, US
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5920 5789 UNI2-AS, ES
7545 5298 4681 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4623 4550 ERX-CERNET-BKB China Education and Research Net
7155 4040 4012 VIASAT-SP-BACKBONE, US
31334 3961 3948 KABELDEUTSCHLAND-AS, DE
39891 3776 3756 ALJAWWALSTC-AS, SA
22773 3532 3381 ASN-CXA-ALL-CCI-22773-RDC, US
11492 3999 3344 CABLEONE, US
7552 3329 3305 VIETEL-AS-AP Viettel Group, VN
6327 3384 3292 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461, US
27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.136.224.0/24 Origin: 15206 UNASSIGNED
Transit: 174 COGENT-174, US
23.137.192.0/24 Origin: 31798 CANAD-86-31798, CA
Transit: 174 COGENT-174, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
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 /11:98 /12:285
/13:579 /14:1158 /15:1915 /16:13395 /17:8149 /18:13830
/19:25775 /20:40476 /21:47588 /22:98605 /23:81428 /24:462765
/25:1294 /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 4901 5920 UNI2-AS, ES
31334 3806 3961 KABELDEUTSCHLAND-AS, DE
6327 3173 3384 SHAW, CA
7155 3131 4040 VIASAT-SP-BACKBONE, US
11492 3129 3999 CABLEONE, US
39891 2946 3776 ALJAWWALSTC-AS, SA
8551 2747 3287 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2747 3532 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2063 6249 Uninet S.A. de C.V., MX
30036 2058 2310 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1530 2:1150 3:30 4:19 5:3308 6:48
8:1379 9:1 12:1783 13:494 14:2227 15:74
16:9 17:285 18:79 20:58 23:3340 24:2641
25:4 27:2497 31:2925 32:102 35:41 36:929
37:3255 38:1846 39:320 40:132 41:3326 42:875
43:2107 44:196 45:13518 46:3661 47:277 49:1418
50:1580 51:87 52:1123 54:272 55:693 56:6
57:48 58:1884 59:1126 60:685 61:2203 62:2166
63:1945 64:5062 65:2313 66:4860 67:2862 68:1212
69:3801 70:1431 71:669 72:2773 74:2623 75:1436
76:676 77:2565 78:1975 79:2418 80:1858 81:1564
82:1205 83:1118 84:1227 85:2494 86:567 87:1714
88:1084 89:2696 90:324 91:7553 92:1492 93:2445
94:2616 95:3733 96:1013 97:337 98:966 99:963
100:85 101:1086 102:843 103:23148 104:3607 105:387
106:833 107:1946 108:703 109:3774 110:1781 111:1983
112:1576 113:1383 114:1491 115:1844 116:1790 117:2048
118:2122 119:1701 120:848 121:1037 122:2366 123:1887
124:1556 125:2032 128:1387 129:914 130:620 131:1823
132:760 133:300 134:1229 135:276 136:601 137:839
138:2176 139:988 140:594 141:878 142:878 143:1170
144:949 145:327 146:1479 147:1007 148:2051 149:1123
150:812 151:1281 152:1476 153:369 154:4747 155:896
156:3325 157:1082 158:760 159:1939 160:1736 161:990
162:3030 163:789 164:1433 165:1241 166:546 167:1486
168:3620 169:494 170:4232 171:742 172:1881 173:2380
174:1036 175:1012 176:2642 177:4157 178:3009 179:1465
180:2193 181:2442 182:2839 183:1111 184:2397 185:16120
186:3742 187:2569 188:4068 189:2114 190:8257 191:1513
192:10262 193:7371 194:6034 195:4303 196:3398 197:1864
198:6148 199:5928 200:7122 201:5119 202:10399 203:10133
204:4548 205:3075 206:3260 207:3293 208:4001 209:4378
210:4001 211:1988 212:3210 213:3015 214:1168 215:54
216:5958 217:2353 218:880 219:604 220:1977 221:913
222:1004 223:1458
End of report
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