[lacnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora en apnic.net
Vie Jul 23 15:02:51 -03 2021
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 24 Jul, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 856772
Prefixes after maximum aggregation (per Origin AS): 324531
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 412899
Total ASes present in the Internet Routing Table: 71623
Prefixes per ASN: 11.96
Origin-only ASes present in the Internet Routing Table: 61576
Origin ASes announcing only one prefix: 25404
Transit ASes present in the Internet Routing Table: 10047
Transit-only ASes present in the Internet Routing Table: 330
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 54
Max AS path prepend of ASN ( 48366) 51
Prefixes from unregistered ASNs in the Routing Table: 1040
Number of instances of unregistered ASNs: 1046
Number of 32-bit ASNs allocated by the RIRs: 36681
Number of 32-bit ASNs visible in the Routing Table: 30508
Prefixes from 32-bit ASNs in the Routing Table: 141846
Number of bogon 32-bit ASNs visible in the Routing Table: 25
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 521
Number of addresses announced to Internet: 3037871360
Equivalent to 181 /8s, 18 /16s and 61 /24s
Percentage of available address space announced: 82.1
Percentage of allocated address space announced: 82.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 284880
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 230021
Total APNIC prefixes after maximum aggregation: 65881
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 225438
Unique aggregates announced from the APNIC address blocks: 90726
APNIC Region origin ASes present in the Internet Routing Table: 11764
APNIC Prefixes per ASN: 19.16
APNIC Region origin ASes announcing only one prefix: 3345
APNIC Region transit ASes present in the Internet Routing Table: 1675
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6942
Number of APNIC addresses announced to Internet: 773719808
Equivalent to 46 /8s, 30 /16s and 7 /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, 131072-147769
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: 250668
Total ARIN prefixes after maximum aggregation: 114795
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 250507
Unique aggregates announced from the ARIN address blocks: 119953
ARIN Region origin ASes present in the Internet Routing Table: 18860
ARIN Prefixes per ASN: 13.28
ARIN Region origin ASes announcing only one prefix: 6846
ARIN Region transit ASes present in the Internet Routing Table: 1947
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4009
Number of ARIN addresses announced to Internet: 1269318528
Equivalent to 75 /8s, 168 /16s and 67 /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, 393216-401308
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: 238710
Total RIPE prefixes after maximum aggregation: 111547
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 235082
Unique aggregates announced from the RIPE address blocks: 143597
RIPE Region origin ASes present in the Internet Routing Table: 27988
RIPE Prefixes per ASN: 8.40
RIPE Region origin ASes announcing only one prefix: 12030
RIPE Region transit ASes present in the Internet Routing Table: 3890
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10310
Number of RIPE addresses announced to Internet: 710902144
Equivalent to 42 /8s, 95 /16s and 129 /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
196608-213403
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: 110817
Total LACNIC prefixes after maximum aggregation: 26446
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 111866
Unique aggregates announced from the LACNIC address blocks: 47011
LACNIC Region origin ASes present in the Internet Routing Table: 10768
LACNIC Prefixes per ASN: 10.39
LACNIC Region origin ASes announcing only one prefix: 2669
LACNIC Region transit ASes present in the Internet Routing Table: 2076
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8413
Number of LACNIC addresses announced to Internet: 175964928
Equivalent to 10 /8s, 125 /16s and 3 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 25513
Total AfriNIC prefixes after maximum aggregation: 5115
AfriNIC Deaggregation factor: 4.99
Prefixes being announced from the AfriNIC address blocks: 33358
Unique aggregates announced from the AfriNIC address blocks: 11152
AfriNIC Region origin ASes present in the Internet Routing Table: 1497
AfriNIC Prefixes per ASN: 22.28
AfriNIC Region origin ASes announcing only one prefix: 514
AfriNIC Region transit ASes present in the Internet Routing Table: 299
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 834
Number of AfriNIC addresses announced to Internet: 107562240
Equivalent to 6 /8s, 105 /16s and 69 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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
9808 7608 9002 61 CMNET-GD Guangdong Mobile Communication
7545 5814 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4700 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3563 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3531 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2796 1897 55 VNPT-AS-VN VNPT Corp, VN
4766 2438 11121 570 KIXS-AS-KR Korea Telecom, KR
9498 2360 483 247 BBIL-AP BHARTI Airtel Ltd., IN
45090 2125 1197 73 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
4755 2115 437 192 TATACOMM-AS TATA Communications formerl
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
16509 5294 9547 2375 AMAZON-02, US
11492 4750 313 793 CABLEONE, US
7155 3994 264 32 VIASAT-SP-BACKBONE, US
22773 3983 3021 275 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3537 1823 2459 AKAMAI-AS, US
6327 3367 1317 68 SHAW, CA
30036 2572 371 185 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2536 5032 471 CENTURYLINK-US-LEGACY-QWEST, US
5972 2264 468 798 DNIC-ASBLK-05800-06055, US
20115 2225 2998 522 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 6770 1726 145 UNI2-AS, ES
20940 3727 3348 214 AKAMAI-ASN1, NL
39891 3267 187 22 ALJAWWALSTC-AS, SA
8551 2965 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2913 2283 897 ROSTELECOM-AS, RU
9009 2467 258 1317 M247, GB
34984 2215 356 594 TELLCOM-AS, TR
61317 1647 270 861 ASDETUK www.heficed.com, GB
58224 1611 888 558 TCI, IR
13188 1610 100 27 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 8589 3448 582 Uninet S.A. de C.V., MX
10620 3407 525 651 Telmex Colombia S.A., CO
11830 2506 369 62 Instituto Costarricense de Electricidad
13999 1765 409 475 Mega Cable, S.A. de C.V., MX
6503 1489 359 477 Axtel, S.A.B. de C.V., MX
28573 1434 2300 233 CLARO S.A., BR
3816 1240 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1099 369 22 Telefonica del Peru S.A.A., PE
26615 1090 2351 134 TIM SA, BR
11664 997 200 437 Techtel LMDS Comunicaciones Interactiva
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 1501 393 22 LINKdotNET-AS, EG
24835 1457 498 30 RAYA-AS, EG
36992 1307 1489 267 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 736 68 11 ORANGE-COTE-IVOIRE, CI
6713 612 1863 34 IAM-AS, MA
36935 533 522 40 Vodafone-, EG
15399 498 49 27 WANANCHI-, KE
2018 329 319 74 TENET-1, ZA
24757 318 77 6 EthioNet-AS, ET
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 8589 3448 582 Uninet S.A. de C.V., MX
9808 7608 9002 61 CMNET-GD Guangdong Mobile Communication
12479 6770 1726 145 UNI2-AS, ES
7545 5814 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 5294 9547 2375 AMAZON-02, US
11492 4750 313 793 CABLEONE, US
4538 4700 4192 74 ERX-CERNET-BKB China Education and Rese
7155 3994 264 32 VIASAT-SP-BACKBONE, US
22773 3983 3021 275 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3727 3348 214 AKAMAI-ASN1, NL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 7608 7547 CMNET-GD Guangdong Mobile Communication Co.Ltd.
12479 6770 6625 UNI2-AS, ES
7545 5814 5137 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4700 4626 ERX-CERNET-BKB China Education and Research Net
7155 3994 3962 VIASAT-SP-BACKBONE, US
11492 4750 3957 CABLEONE, US
22773 3983 3708 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3563 3543 VIETEL-AS-AP Viettel Group, VN
20940 3727 3513 AKAMAI-ASN1, NL
7713 3531 3475 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
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 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US
3577 UNALLOCATED 12.19.197.0/24 209 CENTURYLINK-US-LEGACY-QWEST,
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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.162.32.0/24 Origin: 32444 SAFELINK-MV, US
Transit: 6939 HURRICANE, 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 No. 14, Jala
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
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 /8:17 /9:14 /10:41 /11:102 /12:305
/13:589 /14:1192 /15:2000 /16:13427 /17:8265 /18:13974
/19:25431 /20:42376 /21:50459 /22:106854 /23:91528 /24:498787
/25:1411 /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 5704 6770 UNI2-AS, ES
11492 3729 4750 CABLEONE, US
6327 3175 3367 SHAW, CA
8151 3099 8589 Uninet S.A. de C.V., MX
7155 3082 3994 VIASAT-SP-BACKBONE, US
22773 2965 3983 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2803 3267 ALJAWWALSTC-AS, SA
8551 2431 2965 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2243 2572 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1932 2506 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1899 2:1128 3:141 4:20 5:3559 6:79
7:5 8:1536 9:1 11:164 12:1747 13:379
14:2283 15:93 16:20 17:327 18:103 20:124
21:1 22:188 23:4889 24:2417 25:2 27:2502
29:19 31:2308 32:111 34:1 35:47 36:1593
37:3793 38:2183 39:620 40:183 41:3748 42:981
43:2056 44:265 45:15260 46:3708 47:350 49:1615
50:1803 51:101 52:1246 54:218 55:797 56:4
57:53 58:1747 59:1186 60:935 61:2315 62:2295
63:1968 64:5370 65:2357 66:5026 67:2885 68:1177
69:4078 70:1373 71:681 72:3144 74:2599 75:1492
76:697 77:2048 78:1716 79:2300 80:1868 81:1519
82:1355 83:1144 84:1265 85:2713 86:704 87:1813
88:975 89:3017 90:499 91:7384 92:1794 93:2563
94:3130 95:3529 96:1290 97:341 98:976 99:968
100:93 101:1025 102:1538 103:26395 104:3871 105:430
106:796 107:2247 108:727 109:3854 110:2019 111:3140
112:1927 113:1432 114:1455 115:1879 116:1881 117:2338
118:2327 119:1894 120:1451 121:1066 122:2518 123:2185
124:1591 125:2069 128:1314 129:1316 130:879 131:1981
132:751 133:360 134:1643 135:302 136:771 137:939
138:2409 139:1193 140:765 141:1209 142:1204 143:1328
144:1262 145:326 146:1477 147:1373 148:2194 149:1471
150:820 151:1077 152:1619 153:420 154:2981 155:1350
156:1662 157:1211 158:957 159:2012 160:2318 161:1234
162:3375 163:1021 164:1529 165:1406 166:603 167:1779
168:3621 169:701 170:4285 171:793 172:2535 173:2981
174:1005 175:1079 176:3180 177:4348 178:2950 179:1922
180:2266 181:2623 182:3209 183:2044 184:2418 185:18578
186:4122 187:3152 188:3345 189:2871 190:8712 191:1371
192:10726 193:8274 194:6696 195:4807 196:2903 197:1884
198:6060 199:6012 200:7316 201:5172 202:10544 203:10053
204:4671 205:3345 206:3694 207:3388 208:4034 209:4727
210:4192 211:2325 212:3718 213:3454 214:1192 215:56
216:6310 217:2569 218:1204 219:696 220:1986 221:952
222:862 223:1959
End of report
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