[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 18 18:02:38 UTC 2024
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
UKNOF, 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 19 Oct, 2024
IPv4 BGP Table (Global) as seen at Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 964712
Prefixes after maximum aggregation (per Origin AS): 366964
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 468314
Number of IPv4 prefixes with a valid ROA: 319217
Number of IPv4 prefixes with an invalid ROA: 1057
Number of IPv4 prefixes with no ROA: 644438
Total ASes present in the Internet Routing Table: 76358
Prefixes per ASN: 12.63
Origin-only ASes present in the Internet Routing Table: 65415
Origin ASes announcing only one prefix: 26857
Transit ASes present in the Internet Routing Table: 10943
Transit-only ASes present in the Internet Routing Table: 533
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 89
Max AS path prepend of ASN (152107) 85
Prefixes from unregistered ASNs in the Routing Table: 1004
Number of instances of unregistered ASNs: 1015
Number of 32-bit ASNs allocated by the RIRs: 45580
Number of 32-bit ASNs visible in the Routing Table: 37275
Prefixes from 32-bit ASNs in the Routing Table: 193534
Number of bogon 32-bit ASNs visible in the Routing Table: 51
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 523
Number of addresses announced to Internet: 3028035072
Equivalent to 180 /8s, 124 /16s and 38 /24s
Percentage of available address space announced: 81.8
Percentage of allocated address space announced: 81.8
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: 315447
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258106
Total APNIC prefixes after maximum aggregation: 75560
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 250022
Unique aggregates announced from the APNIC address blocks: 101060
APNIC Region origin ASes present in the Internet Routing Table: 14409
APNIC Prefixes per ASN: 17.35
APNIC Region origin ASes announcing only one prefix: 4392
APNIC Region transit ASes present in the Internet Routing Table: 1909
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 89
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9840
Number of APNIC addresses announced to Internet: 756799616
Equivalent to 45 /8s, 27 /16s and 216 /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: 281921
Total ARIN prefixes after maximum aggregation: 126129
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 285249
Unique aggregates announced from the ARIN address blocks: 135502
ARIN Region origin ASes present in the Internet Routing Table: 19174
ARIN Prefixes per ASN: 14.88
ARIN Region origin ASes announcing only one prefix: 6975
ARIN Region transit ASes present in the Internet Routing Table: 2003
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5034
Number of ARIN addresses announced to Internet: 1266824960
Equivalent to 75 /8s, 130 /16s and 55 /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, 393216-402332
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: 268106
Total RIPE prefixes after maximum aggregation: 129491
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 264845
Unique aggregates announced from the RIPE address blocks: 168422
RIPE Region origin ASes present in the Internet Routing Table: 28784
RIPE Prefixes per ASN: 9.20
RIPE Region origin ASes announcing only one prefix: 12139
RIPE Region transit ASes present in the Internet Routing Table: 3981
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12067
Number of RIPE addresses announced to Internet: 722340224
Equivalent to 43 /8s, 14 /16s and 9 /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
196608-216475
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: 122484
Total LACNIC prefixes after maximum aggregation: 28523
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 120142
Unique aggregates announced from the LACNIC address blocks: 48565
LACNIC Region origin ASes present in the Internet Routing Table: 11173
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2657
LACNIC Region transit ASes present in the Internet Routing Table: 2470
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 61
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9079
Number of LACNIC addresses announced to Internet: 177570304
Equivalent to 10 /8s, 149 /16s and 130 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 33091
Total AfriNIC prefixes after maximum aggregation: 6612
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 43931
Unique aggregates announced from the AfriNIC address blocks: 14328
AfriNIC Region origin ASes present in the Internet Routing Table: 1896
AfriNIC Prefixes per ASN: 23.17
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 370
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1255
Number of AfriNIC addresses announced to Internet: 104219904
Equivalent to 6 /8s, 54 /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 10077 8751 85 CHINAMOBILE-CN China Mobile Communication
7545 5977 840 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4529 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3966 1331 25 VIETEL-AS-AP Viettel Group, VN
9498 3849 512 267 BBIL-AP BHARTI Airtel Ltd., IN
7713 3647 1036 71 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2780 829 541 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2285 11519 586 KIXS-AS-KR Korea Telecom, KR
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 10878 11911 3790 AMAZON-02, US
11492 4660 310 547 CABLEONE, US
174 4452 8764 859 COGENT-174, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
6327 3603 1320 79 SHAW, CA
22773 3406 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
749 3264 54912 2511 DNIC-AS-00749, US
7018 3194 23677 1974 ATT-INTERNET4, US
396982 2867 3652 421 GOOGLE-CLOUD-PLATFORM, US
16625 2846 1241 2119 AKAMAI-AS, 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 7634 1709 143 UNI2-AS, ES
39891 4668 282 60 ALJAWWALSTC-AS, SA
20940 3862 3395 129 AKAMAI-ASN1, NL
9009 3683 317 1890 M247, RO
12389 2954 2294 883 ROSTELECOM-AS, RU
34984 2335 357 580 TELLCOM-AS, TR
212238 1795 131 1333 CDNEXT, GB
13188 1606 100 30 TRIOLAN, UA
8452 1579 1852 14 TE-AS TE-AS, EG
8551 1472 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 11547 3236 509 UNINET, MX
10620 3546 494 937 Telmex Colombia S.A., CO
13999 2532 534 356 Mega Cable, S.A. de C.V., MX
11830 2007 369 64 Instituto Costarricense de Electricidad y
28573 1339 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1320 779 195 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1155 374 163 Axtel, S.A.B. de C.V., MX
11664 1149 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1105 369 22 Telefonica del Peru S.A.A., PE
22884 1059 97 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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
24835 1636 593 29 RAYA-AS, EG
24863 1615 389 16 LINKdotNET-AS, EG
36992 1414 1519 283 ETISALAT-MISR, EG
29571 1352 86 61 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 975 521 41 Vodafone-, EG
20011 808 155 353 INTERNET-SOLUTIONS, ZA
37069 639 1099 13 MOBINIL, EG
6713 555 1861 35 IAM-AS, MA
36914 517 82 3 KENET-AS, KE
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 11547 3236 509 UNINET, MX
16509 10878 11911 3790 AMAZON-02, US
9808 10077 8751 85 CHINAMOBILE-CN China Mobile Communication
12479 7634 1709 143 UNI2-AS, ES
7545 5977 840 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4192 74 ERX-CERNET-BKB China Education and Resear
39891 4668 282 60 ALJAWWALSTC-AS, SA
11492 4660 310 547 CABLEONE, US
18403 4529 347 23 FPT-AS-AP FPT Telecom Company, VN
174 4452 8764 859 COGENT-174, 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 10077 9992 CHINAMOBILE-CN China Mobile Communications Grou
12479 7634 7491 UNI2-AS, ES
16509 10878 7088 AMAZON-02, US
7545 5977 5321 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4798 ERX-CERNET-BKB China Education and Research Net
39891 4668 4608 ALJAWWALSTC-AS, SA
18403 4529 4506 FPT-AS-AP FPT Telecom Company, VN
11492 4660 4113 CABLEONE, US
7155 4166 4078 VIASAT-SP-BACKBONE, US
7552 3966 3941 VIETEL-AS-AP Viettel Group, VN
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
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.137.192.0/24 Origin: 31798 DATACITY, CA
23.137.192.0/24 Transit: 21949 BEANFIELD, CA
23.139.88.0/24 Origin: 397244 RESERVED, ZZ
23.139.88.0/24 Transit: 33387 NOCIX, US
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 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
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 /9:16 /10:36 /11:91 /12:295
/13:576 /14:1172 /15:2062 /16:13173 /17:8266 /18:13755
/19:24580 /20:44956 /21:52240 /22:112343 /23:100217 /24:590187
/25:731 /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 6701 7634 UNI2-AS, ES
8151 5733 11547 UNINET, MX
11492 3555 4660 CABLEONE, US
39891 3428 4668 ALJAWWALSTC-AS, SA
6327 3398 3603 SHAW, CA
7155 3110 4166 VIASAT-SP-BACKBONE, US
22773 2537 3406 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2220 10878 AMAZON-02, US
30036 2178 2517 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2175 3546 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2295 2:1543 3:501 4:8 5:4456 6:169
7:6 8:1519 9:1 11:172 12:1418 13:371
14:2468 15:330 16:264 17:358 18:893 20:430
21:4 22:188 23:6916 24:2646 25:2 27:2601
29:19 31:2880 32:47 34:70 35:141 36:2372
37:4524 38:8707 39:916 40:150 41:4117 42:2182
43:2455 44:332 45:17636 46:4652 47:301 49:2025
50:1875 51:581 52:1580 54:317 55:955 56:8
57:223 58:2261 59:1259 60:1139 61:2740 62:2806
63:1854 64:5409 65:2276 66:4656 67:2998 68:1333
69:4014 70:1129 71:570 72:2865 74:2787 75:1626
76:635 77:2580 78:1865 79:1647 80:2207 81:2029
82:1755 83:1378 84:1758 85:3083 86:979 87:2407
88:1263 89:4374 90:678 91:8253 92:2606 93:2809
94:3794 95:4318 96:1262 97:316 98:1074 99:739
100:72 101:1172 102:3452 103:32294 104:4461 105:702
106:985 107:2390 108:1173 109:4011 110:2202 111:3321
112:2051 113:1790 114:1936 115:2117 116:1991 117:2715
118:2880 119:1980 120:1896 121:1406 122:2709 123:2154
124:1639 125:2861 126:64 128:1416 129:933 130:1248
131:1843 132:819 133:444 134:1521 135:314 136:1234
137:1120 138:2874 139:1519 140:1466 141:1560 142:1783
143:1586 144:1030 145:392 146:2091 147:2053 148:2507
149:2821 150:1095 151:1377 152:2110 153:500 154:7011
155:1492 156:2570 157:1832 158:1204 159:2445 160:3212
161:1759 162:3562 163:1755 164:1933 165:2138 166:1309
167:1854 168:4074 169:789 170:4919 171:1024 172:3899
173:3115 174:909 175:1256 176:3469 177:4729 178:3563
179:2217 180:2499 181:3912 182:3320 183:2053 184:2253
185:21164 186:5015 187:4215 188:4252 189:4044 190:9631
191:1517 192:11090 193:9278 194:7608 195:5416 196:3230
197:3365 198:6052 199:8179 200:8108 201:6239 202:10542
203:10380 204:4631 205:3681 206:4624 207:3693 208:4206
209:5176 210:4778 211:2671 212:4495 213:3643 214:1071
215:48 216:6631 217:3026 218:1382 219:557 220:2069
221:1047 222:838 223:2284
End of report
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