[lacnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora en apnic.net
Vie Nov 29 15:02:26 -03 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 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 30 Nov, 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: 970194
Prefixes after maximum aggregation (per Origin AS): 368819
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 471550
Number of IPv4 prefixes with a valid ROA: 513828
Number of IPv4 prefixes with an invalid ROA: 1328
Number of IPv4 prefixes with no ROA: 455038
Total ASes present in the Internet Routing Table: 76507
Prefixes per ASN: 12.68
Origin-only ASes present in the Internet Routing Table: 65558
Origin ASes announcing only one prefix: 26837
Transit ASes present in the Internet Routing Table: 10949
Transit-only ASes present in the Internet Routing Table: 527
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 56
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1053
Number of instances of unregistered ASNs: 1067
Number of 32-bit ASNs allocated by the RIRs: 45927
Number of 32-bit ASNs visible in the Routing Table: 37524
Prefixes from 32-bit ASNs in the Routing Table: 195832
Number of bogon 32-bit ASNs visible in the Routing Table: 49
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 483
Number of addresses announced to Internet: 3029300224
Equivalent to 180 /8s, 143 /16s and 116 /24s
Percentage of available address space announced: 81.8
Percentage of allocated address space announced: 81.7
Percentage of available address space allocated: 100.1
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 316773
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259098
Total APNIC prefixes after maximum aggregation: 75902
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 251233
Unique aggregates announced from the APNIC address blocks: 101879
APNIC Region origin ASes present in the Internet Routing Table: 14484
APNIC Prefixes per ASN: 17.35
APNIC Region origin ASes announcing only one prefix: 4435
APNIC Region transit ASes present in the Internet Routing Table: 1902
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9927
Number of APNIC addresses announced to Internet: 759042176
Equivalent to 45 /8s, 62 /16s and 16 /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: 283836
Total ARIN prefixes after maximum aggregation: 126658
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 286294
Unique aggregates announced from the ARIN address blocks: 136257
ARIN Region origin ASes present in the Internet Routing Table: 19209
ARIN Prefixes per ASN: 14.90
ARIN Region origin ASes announcing only one prefix: 6970
ARIN Region transit ASes present in the Internet Routing Table: 2002
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5085
Number of ARIN addresses announced to Internet: 1266282240
Equivalent to 75 /8s, 121 /16s and 239 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 269331
Total RIPE prefixes after maximum aggregation: 130247
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 266368
Unique aggregates announced from the RIPE address blocks: 169617
RIPE Region origin ASes present in the Internet Routing Table: 28818
RIPE Prefixes per ASN: 9.24
RIPE Region origin ASes announcing only one prefix: 12109
RIPE Region transit ASes present in the Internet Routing Table: 3966
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12148
Number of RIPE addresses announced to Internet: 722010240
Equivalent to 43 /8s, 9 /16s and 0 /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,
53/8, 57/8, 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: 122933
Total LACNIC prefixes after maximum aggregation: 28799
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 120465
Unique aggregates announced from the LACNIC address blocks: 48678
LACNIC Region origin ASes present in the Internet Routing Table: 11167
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2630
LACNIC Region transit ASes present in the Internet Routing Table: 2495
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 56
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9091
Number of LACNIC addresses announced to Internet: 177524224
Equivalent to 10 /8s, 148 /16s and 206 /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: 33943
Total AfriNIC prefixes after maximum aggregation: 6556
AfriNIC Deaggregation factor: 5.18
Prefixes being announced from the AfriNIC address blocks: 45351
Unique aggregates announced from the AfriNIC address blocks: 14712
AfriNIC Region origin ASes present in the Internet Routing Table: 1914
AfriNIC Prefixes per ASN: 23.69
AfriNIC Region origin ASes announcing only one prefix: 693
AfriNIC Region transit ASes present in the Internet Routing Table: 374
Average AfriNIC Region AS path length visible: 5.9
Max AfriNIC Region AS path length visible: 39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273
Number of AfriNIC addresses announced to Internet: 104184320
Equivalent to 6 /8s, 53 /16s and 186 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 10075 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6163 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4890 4192 73 ERX-CERNET-BKB China Education and Resear
18403 4525 347 23 FPT-AS-AP FPT Telecom Company, VN
9498 3961 518 289 BBIL-AP BHARTI Airtel Ltd., IN
7552 3902 1331 25 VIETEL-AS-AP Viettel Group, VN
7713 3671 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3252 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2800 835 543 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2284 11520 588 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 11088 11969 3947 AMAZON-02, US
11492 4677 311 552 CABLEONE, US
174 4562 8768 892 COGENT-174, US
7155 4168 287 85 VIASAT-SP-BACKBONE, US
6327 3606 1320 79 SHAW, CA
22773 3403 3033 186 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
7018 3208 23568 2046 ATT-INTERNET4, US
396982 2884 3655 433 GOOGLE-CLOUD-PLATFORM, US
16625 2863 1248 2122 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 7668 1709 143 UNI2-AS, ES
39891 4750 290 62 ALJAWWALSTC-AS, SA
20940 3919 3395 129 AKAMAI-ASN1, NL
9009 3672 317 1862 M247, RO
12389 2950 2295 882 ROSTELECOM-AS, RU
34984 2343 360 575 TELLCOM-AS, TR
212238 1836 134 1356 CDNEXT, GB
8452 1614 1852 14 TE-AS TE-AS, EG
13188 1606 100 33 TRIOLAN, UA
62240 1491 98 747 CLOUVIDER Clouvider - Global ASN, GB
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 11460 3221 606 UNINET, MX
10620 3542 494 942 Telmex Colombia S.A., CO
13999 2534 537 371 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1155 374 163 Axtel, S.A.B. de C.V., MX
11664 1119 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1115 371 22 Telefonica del Peru S.A.A., PE
22884 1068 98 372 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 1659 593 29 RAYA-AS, EG
24863 1636 389 16 LINKdotNET-AS, EG
29571 1421 90 59 ORANGE-COTE-IVOIRE, CI
36992 1421 1518 288 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1015 523 46 Vodafone-, EG
20011 942 165 258 INTERNET-SOLUTIONS, ZA
37069 882 1083 15 MOBINIL, EG
6713 558 1861 35 IAM-AS, MA
36914 553 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 11460 3221 606 UNINET, MX
16509 11088 11969 3947 AMAZON-02, US
9808 10075 8753 90 CHINAMOBILE-CN China Mobile Communication
12479 7668 1709 143 UNI2-AS, ES
7545 6163 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4890 4192 73 ERX-CERNET-BKB China Education and Resear
39891 4750 290 62 ALJAWWALSTC-AS, SA
11492 4677 311 552 CABLEONE, US
174 4562 8768 892 COGENT-174, US
18403 4525 347 23 FPT-AS-AP FPT Telecom Company, VN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 10075 9985 CHINAMOBILE-CN China Mobile Communications Grou
12479 7668 7525 UNI2-AS, ES
16509 11088 7141 AMAZON-02, US
7545 6163 5502 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4890 4817 ERX-CERNET-BKB China Education and Research Net
39891 4750 4688 ALJAWWALSTC-AS, SA
18403 4525 4502 FPT-AS-AP FPT Telecom Company, VN
11492 4677 4125 CABLEONE, US
7155 4168 4083 VIASAT-SP-BACKBONE, US
7552 3902 3877 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
23.139.32.0/24 Origin: 14727 RESERVED, ZZ
23.139.32.0/24 Transit: 6939 HURRICANE, 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /12:296
/13:576 /14:1170 /15:2051 /16:13180 /17:8279 /18:13731
/19:24703 /20:45237 /21:52437 /22:112303 /23:100678 /24:594708
/25:686 /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 6658 7668 UNI2-AS, ES
8151 5664 11460 UNINET, MX
11492 3555 4677 CABLEONE, US
39891 3441 4750 ALJAWWALSTC-AS, SA
6327 3401 3606 SHAW, CA
7155 3112 4168 VIASAT-SP-BACKBONE, US
22773 2536 3403 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2264 11088 AMAZON-02, US
30036 2205 2545 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2172 3542 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2299 2:1550 3:526 4:8 5:4458 6:166
7:6 8:1495 9:1 11:172 12:1410 13:368
14:2503 15:334 16:269 17:361 18:901 20:447
21:4 22:188 23:7081 24:2650 25:2 27:2614
29:19 31:3036 32:41 34:70 35:172 36:2393
37:4510 38:9066 39:891 40:149 41:4158 42:2176
43:2491 44:340 45:17827 46:4908 47:297 49:2027
50:1858 51:586 52:1575 54:316 55:947 56:8
57:231 58:2318 59:1244 60:1153 61:2765 62:2835
63:1845 64:5419 65:2273 66:4640 67:3021 68:1289
69:4002 70:1117 71:590 72:2862 74:2790 75:1631
76:638 77:2560 78:1854 79:1622 80:2216 81:2050
82:1769 83:1471 84:1772 85:3188 86:967 87:2416
88:1258 89:4371 90:732 91:8263 92:2645 93:2844
94:3859 95:4205 96:1244 97:313 98:1067 99:734
100:71 101:1172 102:3446 103:32356 104:4440 105:731
106:984 107:2409 108:1189 109:4000 110:2240 111:3322
112:2042 113:1811 114:1943 115:2150 116:2017 117:2723
118:2870 119:1979 120:1872 121:1414 122:2743 123:2169
124:1625 125:2858 126:62 128:1528 129:948 130:1260
131:1865 132:814 133:448 134:1527 135:321 136:1305
137:1147 138:2859 139:1530 140:1490 141:1456 142:1834
143:1592 144:1029 145:404 146:2113 147:2049 148:2575
149:2813 150:1157 151:1464 152:2114 153:499 154:7346
155:1546 156:2771 157:1862 158:1229 159:2450 160:3349
161:1704 162:3587 163:1779 164:1940 165:2152 166:1346
167:1859 168:4116 169:803 170:5106 171:1000 172:3961
173:3144 174:921 175:1258 176:3548 177:4803 178:3746
179:2267 180:2547 181:3946 182:3359 183:2065 184:2260
185:21297 186:5018 187:4206 188:4210 189:4053 190:9563
191:1505 192:11175 193:9278 194:7645 195:5407 196:3207
197:3507 198:6043 199:8229 200:8165 201:6295 202:10566
203:10474 204:4643 205:3707 206:4653 207:3602 208:4225
209:5129 210:4813 211:2634 212:4497 213:3695 214:1058
215:48 216:6573 217:3077 218:1358 219:551 220:2096
221:1052 222:841 223:2307
End of report
Más información sobre la lista de distribución LACNOG