[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Aug 30 18:02:26 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 31 Aug, 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: 958950
Prefixes after maximum aggregation (per Origin AS): 365479
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 466570
Number of IPv4 prefixes with a valid ROA: 428632
Number of IPv4 prefixes with an invalid ROA: 1562
Number of IPv4 prefixes with no ROA: 528756
Total ASes present in the Internet Routing Table: 76105
Prefixes per ASN: 12.60
Origin-only ASes present in the Internet Routing Table: 65177
Origin ASes announcing only one prefix: 26770
Transit ASes present in the Internet Routing Table: 10928
Transit-only ASes present in the Internet Routing Table: 526
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 61
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 998
Number of instances of unregistered ASNs: 1008
Number of 32-bit ASNs allocated by the RIRs: 45271
Number of 32-bit ASNs visible in the Routing Table: 36964
Prefixes from 32-bit ASNs in the Routing Table: 192152
Number of bogon 32-bit ASNs visible in the Routing Table: 61
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 617
Number of addresses announced to Internet: 3034321408
Equivalent to 180 /8s, 220 /16s and 18 /24s
Percentage of available address space announced: 82.0
Percentage of allocated address space announced: 82.0
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: 313845
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257463
Total APNIC prefixes after maximum aggregation: 75627
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 249219
Unique aggregates announced from the APNIC address blocks: 101026
APNIC Region origin ASes present in the Internet Routing Table: 14336
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 4352
APNIC Region transit ASes present in the Internet Routing Table: 1904
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9740
Number of APNIC addresses announced to Internet: 761979520
Equivalent to 45 /8s, 106 /16s and 226 /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: 279245
Total ARIN prefixes after maximum aggregation: 125788
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 283279
Unique aggregates announced from the ARIN address blocks: 134767
ARIN Region origin ASes present in the Internet Routing Table: 19147
ARIN Prefixes per ASN: 14.79
ARIN Region origin ASes announcing only one prefix: 6956
ARIN Region transit ASes present in the Internet Routing Table: 1996
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 28
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4978
Number of ARIN addresses announced to Internet: 1266829312
Equivalent to 75 /8s, 130 /16s and 72 /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: 266675
Total RIPE prefixes after maximum aggregation: 128382
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 262695
Unique aggregates announced from the RIPE address blocks: 166250
RIPE Region origin ASes present in the Internet Routing Table: 28688
RIPE Prefixes per ASN: 9.16
RIPE Region origin ASes announcing only one prefix: 12091
RIPE Region transit ASes present in the Internet Routing Table: 3985
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11958
Number of RIPE addresses announced to Internet: 723666048
Equivalent to 43 /8s, 34 /16s and 68 /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: 122355
Total LACNIC prefixes after maximum aggregation: 28615
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 120226
Unique aggregates announced from the LACNIC address blocks: 49742
LACNIC Region origin ASes present in the Internet Routing Table: 11144
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2691
LACNIC Region transit ASes present in the Internet Routing Table: 2466
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: 9050
Number of LACNIC addresses announced to Internet: 177126144
Equivalent to 10 /8s, 142 /16s and 187 /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: 32214
Total AfriNIC prefixes after maximum aggregation: 6415
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 42914
Unique aggregates announced from the AfriNIC address blocks: 14266
AfriNIC Region origin ASes present in the Internet Routing Table: 1877
AfriNIC Prefixes per ASN: 22.86
AfriNIC Region origin ASes announcing only one prefix: 680
AfriNIC Region transit ASes present in the Internet Routing Table: 366
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1238
Number of AfriNIC addresses announced to Internet: 104395776
Equivalent to 6 /8s, 56 /16s and 244 /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 9907 8747 80 CHINAMOBILE-CN China Mobile Communication
7545 5699 837 660 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4942 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4280 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3931 1330 20 VIETEL-AS-AP Viettel Group, VN
9498 3789 508 261 BBIL-AP BHARTI Airtel Ltd., IN
7713 3648 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3256 1841 103 VNPT-AS-VN VNPT Corp, VN
24560 2789 826 482 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2265 11518 575 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 10636 11800 3737 AMAZON-02, US
11492 4629 308 547 CABLEONE, US
7155 4169 287 89 VIASAT-SP-BACKBONE, US
174 3884 8781 906 COGENT-174, US
6327 3601 1320 79 SHAW, CA
22773 3423 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US
749 3244 54889 2496 DNIC-AS-00749, US
16625 3066 1275 2138 AKAMAI-AS, US
7018 2932 23673 1848 ATT-INTERNET4, US
396982 2793 3568 422 GOOGLE-CLOUD-PLATFORM, 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 7692 1708 145 UNI2-AS, ES
39891 4539 273 57 ALJAWWALSTC-AS, SA
20940 3805 3395 130 AKAMAI-ASN1, NL
9009 3658 312 1855 M247, RO
12389 2935 2299 883 ROSTELECOM-AS, RU
34984 2333 359 584 TELLCOM-AS, TR
212238 1792 128 1321 CDNEXT, GB
8551 1784 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
13188 1607 100 26 TRIOLAN, UA
8452 1580 1852 14 TE-AS TE-AS, EG
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 11829 3281 522 UNINET, MX
10620 3540 494 933 Telmex Colombia S.A., CO
13999 2512 353 674 Mega Cable, S.A. de C.V., MX
11830 2009 369 64 Instituto Costarricense de Electricidad y
28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR
3816 1317 774 207 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
11664 1222 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1149 374 163 Axtel, S.A.B. de C.V., MX
6147 1073 369 22 Telefonica del Peru S.A.A., PE
22884 1066 98 369 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 1622 593 29 RAYA-AS, EG
24863 1610 389 16 LINKdotNET-AS, EG
36992 1412 1519 283 ETISALAT-MISR, EG
29571 1334 84 68 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 955 523 48 Vodafone-, EG
6713 557 1861 35 IAM-AS, MA
36914 538 82 3 KENET-AS, KE
15399 512 57 58 WANANCHI-, KE
24757 437 73 5 EthioNet-AS, ET
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 11829 3281 522 UNINET, MX
16509 10636 11800 3737 AMAZON-02, US
9808 9907 8747 80 CHINAMOBILE-CN China Mobile Communication
12479 7692 1708 145 UNI2-AS, ES
7545 5699 837 660 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4942 4192 74 ERX-CERNET-BKB China Education and Resear
11492 4629 308 547 CABLEONE, US
39891 4539 273 57 ALJAWWALSTC-AS, SA
18403 4280 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4169 287 89 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 9907 9827 CHINAMOBILE-CN China Mobile Communications Grou
12479 7692 7547 UNI2-AS, ES
16509 10636 6899 AMAZON-02, US
7545 5699 5039 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4942 4868 ERX-CERNET-BKB China Education and Research Net
39891 4539 4482 ALJAWWALSTC-AS, SA
18403 4280 4257 FPT-AS-AP FPT Telecom Company, VN
11492 4629 4082 CABLEONE, US
7155 4169 4080 VIASAT-SP-BACKBONE, US
7552 3931 3911 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
23.140.216.0/24 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 /10:37 /11:93 /12:295
/13:575 /14:1166 /15:2064 /16:13245 /17:8256 /18:13757
/19:24732 /20:44402 /21:51995 /22:111900 /23:100362 /24:585324
/25:715 /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 6751 7692 UNI2-AS, ES
8151 5961 11829 UNINET, MX
11492 3540 4629 CABLEONE, US
6327 3397 3601 SHAW, CA
39891 3361 4539 ALJAWWALSTC-AS, SA
7155 3113 4169 VIASAT-SP-BACKBONE, US
22773 2556 3423 ASN-CXA-ALL-CCI-22773-RDC, US
10620 2169 3540 Telmex Colombia S.A., CO
30036 2159 2497 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2142 10636 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2325 2:1577 3:449 4:6 5:4456 6:162
7:6 8:1516 9:1 11:172 12:1429 13:360
14:2404 15:327 16:259 17:364 18:876 20:408
21:4 22:188 23:6839 24:2681 25:2 27:2552
29:19 31:2684 32:47 34:66 35:139 36:2364
37:4515 38:8403 39:918 40:146 41:4117 42:1991
43:2441 44:331 45:17501 46:4657 47:299 49:2010
50:1862 51:574 52:1578 54:318 55:952 56:8
57:214 58:2237 59:1267 60:1063 61:2722 62:2782
63:1859 64:5447 65:2286 66:4618 67:3017 68:1343
69:4006 70:1148 71:561 72:2856 74:2640 75:1563
76:624 77:2516 78:1852 79:1780 80:2204 81:2019
82:1672 83:1374 84:1730 85:3169 86:960 87:2318
88:1242 89:4239 90:692 91:8203 92:2443 93:2735
94:3753 95:4273 96:1271 97:316 98:1060 99:736
100:73 101:1164 102:3564 103:32354 104:4536 105:707
106:992 107:2377 108:1169 109:4057 110:2139 111:3295
112:2056 113:1816 114:1865 115:2102 116:1981 117:2671
118:2870 119:1977 120:1826 121:1415 122:2708 123:2199
124:1621 125:2862 126:64 128:1392 129:942 130:1214
131:1869 132:825 133:428 134:1514 135:311 136:1190
137:1101 138:2850 139:1529 140:1451 141:1449 142:1697
143:1622 144:1034 145:365 146:2109 147:2033 148:2520
149:2815 150:1066 151:1356 152:2102 153:501 154:6469
155:1428 156:2446 157:1802 158:1177 159:2441 160:3042
161:1710 162:3547 163:1749 164:1685 165:2143 166:1306
167:1851 168:4052 169:808 170:4972 171:1048 172:3909
173:3082 174:905 175:1233 176:3435 177:4758 178:3596
179:2210 180:2464 181:3886 182:3334 183:2020 184:2257
185:21028 186:4991 187:4347 188:4085 189:4214 190:9516
191:1511 192:11068 193:9235 194:7516 195:5345 196:3224
197:2895 198:6054 199:8077 200:8109 201:6374 202:10532
203:10378 204:4588 205:3695 206:4537 207:3642 208:4186
209:5101 210:4776 211:2656 212:4394 213:3678 214:1062
215:49 216:6718 217:2946 218:1420 219:549 220:2030
221:1048 222:871 223:2256
End of report
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