[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 7 18:02:17 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 08 Jun, 2024
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: 952310
Prefixes after maximum aggregation (per Origin AS): 362531
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 464792
Total ASes present in the Internet Routing Table: 75901
Prefixes per ASN: 12.55
Origin-only ASes present in the Internet Routing Table: 65054
Origin ASes announcing only one prefix: 26721
Transit ASes present in the Internet Routing Table: 10847
Transit-only ASes present in the Internet Routing Table: 540
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 60
Max AS path prepend of ASN ( 53153) 57
Prefixes from unregistered ASNs in the Routing Table: 997
Number of instances of unregistered ASNs: 999
Number of 32-bit ASNs allocated by the RIRs: 44691
Number of 32-bit ASNs visible in the Routing Table: 36556
Prefixes from 32-bit ASNs in the Routing Table: 187335
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 605
Number of addresses announced to Internet: 3024734848
Equivalent to 180 /8s, 73 /16s and 202 /24s
Percentage of available address space announced: 81.7
Percentage of allocated address space announced: 81.7
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: 312161
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255145
Total APNIC prefixes after maximum aggregation: 74211
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 247236
Unique aggregates announced from the APNIC address blocks: 101269
APNIC Region origin ASes present in the Internet Routing Table: 14205
APNIC Prefixes per ASN: 17.40
APNIC Region origin ASes announcing only one prefix: 4335
APNIC Region transit ASes present in the Internet Routing Table: 1910
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 55
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9598
Number of APNIC addresses announced to Internet: 761679488
Equivalent to 45 /8s, 102 /16s and 78 /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: 276985
Total ARIN prefixes after maximum aggregation: 125335
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 281544
Unique aggregates announced from the ARIN address blocks: 134667
ARIN Region origin ASes present in the Internet Routing Table: 19149
ARIN Prefixes per ASN: 14.70
ARIN Region origin ASes announcing only one prefix: 6955
ARIN Region transit ASes present in the Internet Routing Table: 1992
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4922
Number of ARIN addresses announced to Internet: 1267199488
Equivalent to 75 /8s, 135 /16s and 238 /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: 265936
Total RIPE prefixes after maximum aggregation: 127349
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 260652
Unique aggregates announced from the RIPE address blocks: 164615
RIPE Region origin ASes present in the Internet Routing Table: 28662
RIPE Prefixes per ASN: 9.09
RIPE Region origin ASes announcing only one prefix: 12129
RIPE Region transit ASes present in the Internet Routing Table: 3978
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 46
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11829
Number of RIPE addresses announced to Internet: 713245440
Equivalent to 42 /8s, 131 /16s and 67 /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: 121695
Total LACNIC prefixes after maximum aggregation: 28784
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 119889
Unique aggregates announced from the LACNIC address blocks: 50118
LACNIC Region origin ASes present in the Internet Routing Table: 11107
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2640
LACNIC Region transit ASes present in the Internet Routing Table: 2404
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 60
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8998
Number of LACNIC addresses announced to Internet: 176707584
Equivalent to 10 /8s, 136 /16s and 88 /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: 31552
Total AfriNIC prefixes after maximum aggregation: 6201
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 42384
Unique aggregates announced from the AfriNIC address blocks: 13632
AfriNIC Region origin ASes present in the Internet Routing Table: 1843
AfriNIC Prefixes per ASN: 23.00
AfriNIC Region origin ASes announcing only one prefix: 662
AfriNIC Region transit ASes present in the Internet Routing Table: 354
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1209
Number of AfriNIC addresses announced to Internet: 105583360
Equivalent to 6 /8s, 75 /16s and 19 /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 9841 8744 71 CHINAMOBILE-CN China Mobile Communicati
7545 5636 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4192 74 ERX-CERNET-BKB China Education and Rese
18403 4216 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3937 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN
7713 3619 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3277 1857 103 VNPT-AS-VN VNPT Corp, VN
24560 2795 862 398 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2290 11522 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 10014 11398 3538 AMAZON-02, US
11492 4627 307 586 CABLEONE, US
7155 4167 287 89 VIASAT-SP-BACKBONE, US
6327 3594 1320 79 SHAW, CA
22773 3472 3038 218 ASN-CXA-ALL-CCI-22773-RDC, US
174 3440 8782 874 COGENT-174, US
749 3250 54901 2502 DNIC-AS-00749, US
16625 3091 1323 2223 AKAMAI-AS, US
7018 2874 23667 1811 ATT-INTERNET4, US
396982 2760 3633 408 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 7730 1708 145 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3831 3396 133 AKAMAI-ASN1, NL
9009 3529 302 1763 M247, RO
12389 2989 2304 899 ROSTELECOM-AS, RU
34984 2342 361 576 TELLCOM-AS, TR
8551 1764 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
212238 1685 123 1223 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1520 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 12163 3322 500 UNINET, MX
10620 3514 492 936 Telmex Colombia S.A., CO
13999 2547 355 668 Mega Cable, S.A. de C.V., MX
11830 2003 369 64 Instituto Costarricense de Electricidad
28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR
3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1246 278 33 Techtel LMDS Comunicaciones Interactiva
6503 1130 315 480 Axtel, S.A.B. de C.V., MX
6147 1089 369 22 Telefonica del Peru S.A.A., PE
26615 1072 2503 53 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 1586 389 20 LINKdotNET-AS, EG
24835 1557 593 29 RAYA-AS, EG
36992 1376 1520 281 ETISALAT-MISR, EG
36903 1248 554 95 MT-MPLS, MA
29571 1216 77 75 ORANGE-COTE-IVOIRE, CI
36935 933 521 43 Vodafone-, EG
6713 556 1861 35 IAM-AS, MA
15399 532 56 56 WANANCHI-, KE
36914 483 82 3 KENET-AS, KE
37342 470 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 12163 3322 500 UNINET, MX
16509 10014 11398 3538 AMAZON-02, US
9808 9841 8744 71 CHINAMOBILE-CN China Mobile Communicati
12479 7730 1708 145 UNI2-AS, ES
7545 5636 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4192 74 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4627 307 586 CABLEONE, US
18403 4216 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4167 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 9841 9770 CHINAMOBILE-CN China Mobile Communications Grou
12479 7730 7585 UNI2-AS, ES
16509 10014 6476 AMAZON-02, US
7545 5636 4967 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4931 4857 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
18403 4216 4193 FPT-AS-AP FPT Telecom Company, VN
7155 4167 4078 VIASAT-SP-BACKBONE, US
11492 4627 4041 CABLEONE, US
7552 3937 3916 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
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
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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
23.140.216.0/24 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
23.180.120.0/24 Origin: 215274 UHQ, US
23.180.120.0/24 Transit: 212027 PEBBLEHOST, GB
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, 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 /9:14 /10:37 /11:93 /12:297
/13:573 /14:1167 /15:2055 /16:13254 /17:8252 /18:13760
/19:24700 /20:44263 /21:51749 /22:111588 /23:99629 /24:580134
/25:729 /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 6824 7730 UNI2-AS, ES
8151 6219 12163 UNINET, MX
11492 3536 4627 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3390 3594 SHAW, CA
7155 3111 4167 VIASAT-SP-BACKBONE, US
22773 2579 3472 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2160 2500 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2143 3514 Telmex Colombia S.A., CO
16509 2126 10014 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2308 2:1527 3:346 4:6 5:4553 6:162
7:6 8:1514 9:1 11:172 12:1455 13:362
14:2413 15:319 16:217 17:369 18:763 20:383
21:4 22:188 23:6848 24:2714 25:2 27:2547
29:19 31:2583 32:48 34:63 35:136 36:2298
37:4451 38:7610 39:897 40:130 41:4098 42:2052
43:2371 44:322 45:17136 46:4491 47:307 49:1977
50:1915 51:577 52:1583 54:313 55:997 56:8
57:183 58:2153 59:1257 60:1033 61:2601 62:2722
63:1881 64:5484 65:2313 66:4650 67:2993 68:1313
69:4097 70:1183 71:581 72:2881 74:2599 75:1551
76:625 77:2484 78:1864 79:1781 80:2195 81:2020
82:1619 83:1360 84:1676 85:3161 86:905 87:2296
88:1221 89:4104 90:678 91:8136 92:2326 93:2704
94:3735 95:4196 96:1278 97:315 98:1034 99:739
100:72 101:1176 102:3483 103:32492 104:4784 105:677
106:969 107:2466 108:1148 109:4024 110:2137 111:3265
112:2066 113:1784 114:1817 115:2080 116:1900 117:2659
118:2790 119:1986 120:1799 121:1362 122:2697 123:2245
124:1628 125:2884 126:32 128:1461 129:925 130:1161
131:1857 132:807 133:412 134:1741 135:322 136:1112
137:1073 138:2819 139:1528 140:1379 141:1358 142:1659
143:1578 144:1007 145:369 146:2071 147:1969 148:2516
149:2764 150:1037 151:1350 152:2218 153:525 154:6862
155:1488 156:2276 157:1834 158:1152 159:2315 160:2688
161:1701 162:3564 163:1713 164:1654 165:2156 166:1268
167:1791 168:4002 169:796 170:4917 171:1041 172:3864
173:3043 174:896 175:1229 176:3465 177:4775 178:3678
179:2220 180:2384 181:3743 182:3354 183:1983 184:2262
185:20839 186:4984 187:4518 188:4058 189:4245 190:9433
191:1553 192:11033 193:9135 194:7515 195:5333 196:3195
197:2626 198:6062 199:7890 200:8044 201:6264 202:10491
203:10190 204:4600 205:3667 206:4478 207:3607 208:4168
209:5058 210:4643 211:2621 212:4331 213:3491 214:1065
215:49 216:6793 217:3007 218:1340 219:581 220:2045
221:1036 222:861 223:2243
End of report
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