[lacnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora en apnic.net
Vie Jun 16 15:02:08 -03 2023
This is an automated weekly mailing describing the state of the Global
IPv4 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 17 Jun, 2023
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 926000
Prefixes after maximum aggregation (per Origin AS): 350751
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 450771
Total ASes present in the Internet Routing Table: 74516
Prefixes per ASN: 12.43
Origin-only ASes present in the Internet Routing Table: 63992
Origin ASes announcing only one prefix: 26279
Transit ASes present in the Internet Routing Table: 10524
Transit-only ASes present in the Internet Routing Table: 438
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1032
Number of instances of unregistered ASNs: 1034
Number of 32-bit ASNs allocated by the RIRs: 42072
Number of 32-bit ASNs visible in the Routing Table: 34704
Prefixes from 32-bit ASNs in the Routing Table: 172880
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 587
Number of addresses announced to Internet: 3056410880
Equivalent to 182 /8s, 45 /16s and 33 /24s
Percentage of available address space announced: 82.6
Percentage of allocated address space announced: 82.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 308967
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 245881
Total APNIC prefixes after maximum aggregation: 69632
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 239932
Unique aggregates announced from the APNIC address blocks: 98508
APNIC Region origin ASes present in the Internet Routing Table: 13456
APNIC Prefixes per ASN: 17.83
APNIC Region origin ASes announcing only one prefix: 3973
APNIC Region transit ASes present in the Internet Routing Table: 1789
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8774
Number of APNIC addresses announced to Internet: 773694848
Equivalent to 46 /8s, 29 /16s and 165 /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, 131072-153913
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: 270860
Total ARIN prefixes after maximum aggregation: 123221
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 273521
Unique aggregates announced from the ARIN address blocks: 130531
ARIN Region origin ASes present in the Internet Routing Table: 19120
ARIN Prefixes per ASN: 14.31
ARIN Region origin ASes announcing only one prefix: 6995
ARIN Region transit ASes present in the Internet Routing Table: 1952
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815
Number of ARIN addresses announced to Internet: 1280361216
Equivalent to 76 /8s, 80 /16s and 195 /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: 260028
Total RIPE prefixes after maximum aggregation: 122814
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 256155
Unique aggregates announced from the RIPE address blocks: 159307
RIPE Region origin ASes present in the Internet Routing Table: 28348
RIPE Prefixes per ASN: 9.04
RIPE Region origin ASes announcing only one prefix: 12044
RIPE Region transit ASes present in the Internet Routing Table: 3957
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11215
Number of RIPE addresses announced to Internet: 717534848
Equivalent to 42 /8s, 196 /16s and 182 /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: 118741
Total LACNIC prefixes after maximum aggregation: 28504
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 117869
Unique aggregates announced from the LACNIC address blocks: 49491
LACNIC Region origin ASes present in the Internet Routing Table: 11008
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2655
LACNIC Region transit ASes present in the Internet Routing Table: 2293
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8799
Number of LACNIC addresses announced to Internet: 177002752
Equivalent to 10 /8s, 140 /16s and 217 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 29458
Total AfriNIC prefixes after maximum aggregation: 5850
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 37936
Unique aggregates announced from the AfriNIC address blocks: 12452
AfriNIC Region origin ASes present in the Internet Routing Table: 1753
AfriNIC Prefixes per ASN: 21.64
AfriNIC Region origin ASes announcing only one prefix: 612
AfriNIC Region transit ASes present in the Internet Routing Table: 329
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1101
Number of AfriNIC addresses announced to Internet: 107417344
Equivalent to 6 /8s, 103 /16s and 15 /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 9520 8706 40 CHINAMOBILE-CN China Mobile Communicati
7545 5723 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4858 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4213 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3559 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3376 1856 96 VNPT-AS-VN VNPT Corp, VN
7552 3362 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3026 498 252 BBIL-AP BHARTI Airtel Ltd., IN
4766 2537 11253 584 KIXS-AS-KR Korea Telecom, KR
24560 2427 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 8516 10866 3116 AMAZON-02, US
11492 4503 298 624 CABLEONE, US
7155 4105 284 78 VIASAT-SP-BACKBONE, US
22773 3564 3051 266 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3524 1319 66 SHAW, CA
16625 3128 1557 2352 AKAMAI-AS, US
749 3126 54969 2378 DNIC-AS-00749, US
396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US
30036 2499 359 427 MEDIACOM-ENTERPRISE-BUSINESS, US
7018 2458 24006 1558 ATT-INTERNET4, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7301 1706 141 UNI2-AS, ES
39891 4897 290 61 ALJAWWALSTC-AS, SA
20940 4073 3398 162 AKAMAI-ASN1, NL
8551 3461 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2967 2292 912 ROSTELECOM-AS, RU
9009 2655 246 1382 M247, RO
34984 2297 361 606 TELLCOM-AS, TR
6849 1970 307 17 UKRTELNET, UA
58224 1827 946 537 TCI, IR
61317 1646 110 1274 ASDETUK www.heficed.com, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 11406 3372 594 Uninet S.A. de C.V., MX
10620 3527 506 845 Telmex Colombia S.A., CO
13999 2359 353 627 Mega Cable, S.A. de C.V., MX
11830 2269 369 64 Instituto Costarricense de Electricidad
28573 1318 2323 241 Claro NXT Telecomunicacoes Ltda, BR
3816 1303 773 168 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1302 343 511 Axtel, S.A.B. de C.V., MX
6147 1133 370 22 Telefonica del Peru S.A.A., PE
11664 1102 180 440 Techtel LMDS Comunicaciones Interactiva
26615 1034 2498 45 TIM SA, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1579 393 19 LINKdotNET-AS, EG
24835 1536 533 27 RAYA-AS, EG
36992 1308 1518 281 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1038 67 47 ORANGE-COTE-IVOIRE, CI
36935 917 520 42 Vodafone-, EG
6713 549 1861 34 IAM-AS, MA
15399 532 54 49 WANANCHI-, KE
24757 493 73 5 EthioNet-AS, ET
37342 478 32 1 MOVITEL, MZ
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 11406 3372 594 Uninet S.A. de C.V., MX
9808 9520 8706 40 CHINAMOBILE-CN China Mobile Communicati
16509 8516 10866 3116 AMAZON-02, US
12479 7301 1706 141 UNI2-AS, ES
7545 5723 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 290 61 ALJAWWALSTC-AS, SA
4538 4858 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4503 298 624 CABLEONE, US
18403 4213 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4105 284 78 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9520 9480 CHINAMOBILE-CN China Mobile Communications Grou
12479 7301 7160 UNI2-AS, ES
16509 8516 5400 AMAZON-02, US
7545 5723 5034 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 4836 ALJAWWALSTC-AS, SA
4538 4858 4783 ERX-CERNET-BKB China Education and Research Net
18403 4213 4188 FPT-AS-AP FPT Telecom Company, VN
7155 4105 4027 VIASAT-SP-BACKBONE, US
20940 4073 3911 AKAMAI-ASN1, NL
11492 4503 3879 CABLEONE, US
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
396894 UNALLOCATED 8.28.201.0/24 46887 LIGHTOWER, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.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 /9:14 /10:39 /11:103 /12:301
/13:582 /14:1199 /15:2066 /16:13471 /17:8253 /18:13863
/19:25181 /20:44103 /21:51528 /22:110037 /23:98530 /24:555969
/25:745 /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 6389 7301 UNI2-AS, ES
8151 5339 11406 Uninet S.A. de C.V., MX
39891 3632 4897 ALJAWWALSTC-AS, SA
11492 3415 4503 CABLEONE, US
6327 3334 3524 SHAW, CA
7155 3090 4105 VIASAT-SP-BACKBONE, US
8551 2929 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2630 3564 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2155 2499 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2086 3527 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2186 2:1321 3:206 4:5 5:4541 6:132
7:6 8:1546 9:1 11:172 12:1528 13:387
14:2318 15:306 16:193 17:371 18:453 20:260
21:4 22:188 23:6309 24:2588 25:6 27:2471
29:19 31:2512 32:81 34:22 35:112 36:1969
37:4679 38:4922 39:847 40:151 41:3919 42:2017
43:2327 44:308 45:16571 46:4317 47:375 49:1766
50:1873 51:584 52:1594 54:393 55:873 56:8
57:117 58:1888 59:1103 60:987 61:2535 62:2676
63:1908 64:5664 65:2322 66:5068 67:3058 68:1345
69:4133 70:1205 71:685 72:2989 74:2631 75:1557
76:615 77:2454 78:1824 79:2991 80:2112 81:1798
82:1498 83:1263 84:1529 85:3014 86:757 87:2015
88:1181 89:3747 90:616 91:7750 92:2045 93:2619
94:3619 95:4049 96:1316 97:336 98:1135 99:744
100:91 101:1080 102:2756 103:31521 104:4612 105:505
106:961 107:2577 108:1052 109:4204 110:2114 111:3174
112:2047 113:1799 114:1669 115:1991 116:1900 117:2505
118:2592 119:1989 120:1827 121:1131 122:2604 123:2175
124:1615 125:2507 128:1469 129:1062 130:1013 131:1980
132:816 133:422 134:1819 135:307 136:880 137:948
138:2579 139:1565 140:1259 141:1436 142:1460 143:1502
144:1126 145:344 146:1955 147:1591 148:2434 149:2248
150:883 151:1158 152:1820 153:491 154:4560 155:1419
156:1825 157:1316 158:1090 159:2266 160:2569 161:1549
162:3516 163:1543 164:1626 165:1816 166:1094 167:1714
168:3869 169:952 170:4600 171:899 172:3579 173:2967
174:1075 175:1175 176:3782 177:4642 178:3619 179:2163
180:2440 181:3479 182:3431 183:2075 184:2336 185:20342
186:4817 187:3972 188:4129 189:3695 190:9229 191:1447
192:10924 193:8913 194:7354 195:5178 196:3129 197:2386
198:5971 199:6105 200:8002 201:5939 202:10625 203:10292
204:4562 205:3718 206:4302 207:3456 208:4132 209:4908
210:4451 211:2524 212:4233 213:3633 214:1086 215:59
216:6667 217:2731 218:1293 219:580 220:1998 221:963
222:856 223:2182
End of report
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