[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 11 18:02:39 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 12 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: 963835
Prefixes after maximum aggregation (per Origin AS): 366444
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 467822
Number of IPv4 prefixes with a valid ROA: 251079
Number of IPv4 prefixes with an invalid ROA: 896
Number of IPv4 prefixes with no ROA: 711860
Total ASes present in the Internet Routing Table: 76310
Prefixes per ASN: 12.63
Origin-only ASes present in the Internet Routing Table: 65358
Origin ASes announcing only one prefix: 26835
Transit ASes present in the Internet Routing Table: 10952
Transit-only ASes present in the Internet Routing Table: 536
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: 1024
Number of instances of unregistered ASNs: 1029
Number of 32-bit ASNs allocated by the RIRs: 45532
Number of 32-bit ASNs visible in the Routing Table: 37216
Prefixes from 32-bit ASNs in the Routing Table: 193048
Number of bogon 32-bit ASNs visible in the Routing Table: 44
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 536
Number of addresses announced to Internet: 3031616768
Equivalent to 180 /8s, 178 /16s and 205 /24s
Percentage of available address space announced: 81.9
Percentage of allocated address space announced: 81.9
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: 315313
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257911
Total APNIC prefixes after maximum aggregation: 75407
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 249925
Unique aggregates announced from the APNIC address blocks: 101043
APNIC Region origin ASes present in the Internet Routing Table: 14398
APNIC Prefixes per ASN: 17.36
APNIC Region origin ASes announcing only one prefix: 4382
APNIC Region transit ASes present in the Internet Routing Table: 1906
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: 9826
Number of APNIC addresses announced to Internet: 759576960
Equivalent to 45 /8s, 70 /16s and 57 /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: 281522
Total ARIN prefixes after maximum aggregation: 126053
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 284724
Unique aggregates announced from the ARIN address blocks: 135340
ARIN Region origin ASes present in the Internet Routing Table: 19155
ARIN Prefixes per ASN: 14.86
ARIN Region origin ASes announcing only one prefix: 6968
ARIN Region transit ASes present in the Internet Routing Table: 2005
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: 5018
Number of ARIN addresses announced to Internet: 1267562240
Equivalent to 75 /8s, 141 /16s and 119 /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: 267847
Total RIPE prefixes after maximum aggregation: 129219
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 264570
Unique aggregates announced from the RIPE address blocks: 168060
RIPE Region origin ASes present in the Internet Routing Table: 28759
RIPE Prefixes per ASN: 9.20
RIPE Region origin ASes announcing only one prefix: 12125
RIPE Region transit ASes present in the Internet Routing Table: 3979
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: 12038
Number of RIPE addresses announced to Internet: 722329216
Equivalent to 43 /8s, 13 /16s and 222 /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: 122358
Total LACNIC prefixes after maximum aggregation: 28521
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 120046
Unique aggregates announced from the LACNIC address blocks: 48601
LACNIC Region origin ASes present in the Internet Routing Table: 11179
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2673
LACNIC Region transit ASes present in the Internet Routing Table: 2479
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: 9083
Number of LACNIC addresses announced to Internet: 177601280
Equivalent to 10 /8s, 149 /16s and 251 /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: 33173
Total AfriNIC prefixes after maximum aggregation: 6588
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 44034
Unique aggregates announced from the AfriNIC address blocks: 14329
AfriNIC Region origin ASes present in the Internet Routing Table: 1890
AfriNIC Prefixes per ASN: 23.30
AfriNIC Region origin ASes announcing only one prefix: 687
AfriNIC Region transit ASes present in the Internet Routing Table: 371
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 46
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1251
Number of AfriNIC addresses announced to Internet: 104261632
Equivalent to 6 /8s, 54 /16s and 232 /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 10066 8751 76 CHINAMOBILE-CN China Mobile Communication
7545 5959 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4481 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3981 1331 25 VIETEL-AS-AP Viettel Group, VN
9498 3840 512 268 BBIL-AP BHARTI Airtel Ltd., IN
7713 3640 1036 71 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3262 1841 105 VNPT-AS-VN VNPT Corp, VN
24560 2775 828 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2273 11520 578 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 10880 11907 3789 AMAZON-02, US
11492 4660 310 547 CABLEONE, US
174 4467 8765 869 COGENT-174, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
6327 3603 1320 79 SHAW, CA
22773 3414 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
749 3264 54912 2511 DNIC-AS-00749, US
7018 3192 23677 1975 ATT-INTERNET4, US
396982 2865 3652 422 GOOGLE-CLOUD-PLATFORM, US
16625 2853 1250 2128 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 7652 1708 141 UNI2-AS, ES
39891 4668 282 60 ALJAWWALSTC-AS, SA
20940 3836 3395 129 AKAMAI-ASN1, NL
9009 3642 312 1850 M247, RO
12389 2939 2295 885 ROSTELECOM-AS, RU
34984 2334 357 579 TELLCOM-AS, TR
212238 1775 130 1318 CDNEXT, GB
13188 1606 100 30 TRIOLAN, UA
8452 1579 1852 14 TE-AS TE-AS, EG
8551 1470 368 35 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 11531 3243 501 UNINET, MX
10620 3546 494 937 Telmex Colombia S.A., CO
13999 2548 534 363 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 1319 778 194 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1150 374 163 Axtel, S.A.B. de C.V., MX
11664 1148 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1106 369 22 Telefonica del Peru S.A.A., PE
22884 1061 97 373 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 1625 593 29 RAYA-AS, EG
24863 1615 389 16 LINKdotNET-AS, EG
36992 1414 1519 283 ETISALAT-MISR, EG
29571 1343 85 61 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 991 523 47 Vodafone-, EG
20011 808 155 353 INTERNET-SOLUTIONS, ZA
37069 557 1100 11 MOBINIL, EG
6713 556 1861 35 IAM-AS, MA
36914 528 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 11531 3243 501 UNINET, MX
16509 10880 11907 3789 AMAZON-02, US
9808 10066 8751 76 CHINAMOBILE-CN China Mobile Communication
12479 7652 1708 141 UNI2-AS, ES
7545 5959 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4192 74 ERX-CERNET-BKB China Education and Resear
39891 4668 282 60 ALJAWWALSTC-AS, SA
11492 4660 310 547 CABLEONE, US
18403 4481 347 23 FPT-AS-AP FPT Telecom Company, VN
174 4467 8765 869 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 10066 9990 CHINAMOBILE-CN China Mobile Communications Grou
12479 7652 7511 UNI2-AS, ES
16509 10880 7091 AMAZON-02, US
7545 5959 5302 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4951 4877 ERX-CERNET-BKB China Education and Research Net
39891 4668 4608 ALJAWWALSTC-AS, SA
18403 4481 4458 FPT-AS-AP FPT Telecom Company, VN
11492 4660 4113 CABLEONE, US
7155 4166 4078 VIASAT-SP-BACKBONE, US
7552 3981 3956 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
23.139.40.0/23 Origin: 945 8964, TW
23.139.40.0/23 Transit: 7018 ATT-INTERNET4, US
23.139.40.0/24 Origin: 202736 WISDOM, SG
23.139.40.0/24 Transit: 984 OWS, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, 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
/13:578 /14:1172 /15:2061 /16:13227 /17:8304 /18:13772
/19:24622 /20:44889 /21:52302 /22:112226 /23:100283 /24:589210
/25:734 /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 6712 7652 UNI2-AS, ES
8151 5714 11531 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 2546 3414 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2214 10880 AMAZON-02, US
10620 2175 3546 Telmex Colombia S.A., CO
30036 2174 2513 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2293 2:1533 3:501 4:8 5:4460 6:168
7:6 8:1512 9:1 11:172 12:1426 13:369
14:2467 15:329 16:264 17:357 18:894 20:410
21:4 22:188 23:6883 24:2646 25:2 27:2599
29:19 31:2810 32:47 34:66 35:141 36:2365
37:4546 38:8687 39:919 40:150 41:4125 42:2149
43:2444 44:333 45:17568 46:4661 47:299 49:2024
50:1877 51:581 52:1578 54:318 55:954 56:8
57:222 58:2253 59:1264 60:1132 61:2683 62:2784
63:1857 64:5403 65:2267 66:4652 67:2990 68:1335
69:4011 70:1132 71:567 72:2860 74:2787 75:1628
76:633 77:2577 78:1867 79:1650 80:2206 81:2026
82:1738 83:1381 84:1755 85:3085 86:1006 87:2405
88:1263 89:4343 90:669 91:8241 92:2602 93:2798
94:3791 95:4299 96:1261 97:316 98:1069 99:739
100:74 101:1170 102:3424 103:32321 104:4454 105:707
106:985 107:2384 108:1171 109:4011 110:2181 111:3330
112:2032 113:1783 114:1924 115:2113 116:1988 117:2716
118:2878 119:1985 120:1896 121:1414 122:2707 123:2151
124:1632 125:2859 126:64 128:1407 129:944 130:1247
131:1834 132:810 133:444 134:1514 135:312 136:1215
137:1118 138:2848 139:1524 140:1456 141:1438 142:1770
143:1577 144:1027 145:386 146:2093 147:2049 148:2534
149:2837 150:1063 151:1380 152:2113 153:499 154:7038
155:1467 156:2592 157:1823 158:1200 159:2452 160:3183
161:1730 162:3573 163:1754 164:1930 165:2137 166:1299
167:1840 168:4073 169:781 170:4921 171:1029 172:3890
173:3110 174:904 175:1256 176:3468 177:4693 178:3588
179:2204 180:2491 181:3871 182:3322 183:2056 184:2255
185:21126 186:5036 187:4216 188:4254 189:4054 190:9630
191:1533 192:11070 193:9260 194:7592 195:5411 196:3244
197:3375 198:6028 199:8161 200:8157 201:6328 202:10539
203:10388 204:4579 205:3693 206:4635 207:3692 208:4204
209:5169 210:4775 211:2614 212:4483 213:3638 214:1063
215:48 216:6604 217:2989 218:1388 219:557 220:2066
221:1049 222:862 223:2269
End of report
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