[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Mar 8 18:02:13 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 09 Mar, 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: 939417
Prefixes after maximum aggregation (per Origin AS): 358869
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 458422
Total ASes present in the Internet Routing Table: 75521
Prefixes per ASN: 12.44
Origin-only ASes present in the Internet Routing Table: 64782
Origin ASes announcing only one prefix: 26599
Transit ASes present in the Internet Routing Table: 10739
Transit-only ASes present in the Internet Routing Table: 500
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1069
Number of instances of unregistered ASNs: 1071
Number of 32-bit ASNs allocated by the RIRs: 43794
Number of 32-bit ASNs visible in the Routing Table: 36019
Prefixes from 32-bit ASNs in the Routing Table: 182502
Number of bogon 32-bit ASNs visible in the Routing Table: 39
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 542
Number of addresses announced to Internet: 3041749632
Equivalent to 181 /8s, 77 /16s and 106 /24s
Percentage of available address space announced: 82.2
Percentage of allocated address space announced: 82.2
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: 310039
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 249003
Total APNIC prefixes after maximum aggregation: 73042
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 241703
Unique aggregates announced from the APNIC address blocks: 99939
APNIC Region origin ASes present in the Internet Routing Table: 14033
APNIC Prefixes per ASN: 17.22
APNIC Region origin ASes announcing only one prefix: 4247
APNIC Region transit ASes present in the Internet Routing Table: 1873
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9408
Number of APNIC addresses announced to Internet: 774768768
Equivalent to 46 /8s, 46 /16s and 8 /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: 273922
Total ARIN prefixes after maximum aggregation: 123903
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 278775
Unique aggregates announced from the ARIN address blocks: 132662
ARIN Region origin ASes present in the Internet Routing Table: 19120
ARIN Prefixes per ASN: 14.58
ARIN Region origin ASes announcing only one prefix: 6968
ARIN Region transit ASes present in the Internet Routing Table: 1981
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4859
Number of ARIN addresses announced to Internet: 1270191360
Equivalent to 75 /8s, 181 /16s and 149 /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, 393216-401308
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: 263708
Total RIPE prefixes after maximum aggregation: 126120
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 258268
Unique aggregates announced from the RIPE address blocks: 162338
RIPE Region origin ASes present in the Internet Routing Table: 28580
RIPE Prefixes per ASN: 9.04
RIPE Region origin ASes announcing only one prefix: 12112
RIPE Region transit ASes present in the Internet Routing Table: 3958
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 40
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11653
Number of RIPE addresses announced to Internet: 712687104
Equivalent to 42 /8s, 122 /16s and 190 /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: 121233
Total LACNIC prefixes after maximum aggregation: 29012
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 119680
Unique aggregates announced from the LACNIC address blocks: 49540
LACNIC Region origin ASes present in the Internet Routing Table: 11062
LACNIC Prefixes per ASN: 10.82
LACNIC Region origin ASes announcing only one prefix: 2621
LACNIC Region transit ASes present in the Internet Routing Table: 2379
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8915
Number of LACNIC addresses announced to Internet: 177494784
Equivalent to 10 /8s, 148 /16s and 91 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 30482
Total AfriNIC prefixes after maximum aggregation: 6070
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 40449
Unique aggregates announced from the AfriNIC address blocks: 13505
AfriNIC Region origin ASes present in the Internet Routing Table: 1824
AfriNIC Prefixes per ASN: 22.18
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 353
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1184
Number of AfriNIC addresses announced to Internet: 106306048
Equivalent to 6 /8s, 86 /16s and 26 /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 9818 8740 57 CHINAMOBILE-CN China Mobile Communicati
7545 5651 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4935 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3845 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN
45899 3288 1872 98 VNPT-AS-VN VNPT Corp, VN
24560 2751 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2311 11259 574 KIXS-AS-KR Korea Telecom, KR
4755 2189 434 195 TATACOMM-AS TATA Communications formerl
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 9641 11322 3360 AMAZON-02, US
11492 4576 304 647 CABLEONE, US
7155 4181 288 96 VIASAT-SP-BACKBONE, US
22773 3612 3063 302 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3598 1320 75 SHAW, CA
749 3199 54920 2451 DNIC-AS-00749, US
16625 3191 1388 2286 AKAMAI-AS, US
174 3117 6644 673 COGENT-174, US
367 2920 3649 1408 DNIC-ASBLK-00306-00371, US
396982 2753 3638 403 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 7622 1714 147 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3881 3396 129 AKAMAI-ASN1, NL
9009 3268 284 1592 M247, RO
12389 2961 2303 901 ROSTELECOM-AS, RU
8551 2647 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2352 363 591 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1520 1852 14 TE-AS TE-AS, EG
44477 1488 97 709 STARK-INDUSTRIES, 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 12517 3354 584 UNINET, MX
10620 3525 496 891 Telmex Colombia S.A., CO
13999 2504 338 650 Mega Cable, S.A. de C.V., MX
11830 2000 369 64 Instituto Costarricense de Electricidad
28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR
3816 1312 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1208 349 490 Axtel, S.A.B. de C.V., MX
11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva
6147 1089 369 22 Telefonica del Peru S.A.A., PE
22884 1069 114 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
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 1549 545 28 RAYA-AS, EG
24863 1520 389 20 LINKdotNET-AS, EG
36992 1368 1519 282 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1165 75 59 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 554 1861 34 IAM-AS, MA
15399 533 56 54 WANANCHI-, KE
36914 485 82 3 KENET-AS, KE
24757 426 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 12517 3354 584 UNINET, MX
9808 9818 8740 57 CHINAMOBILE-CN China Mobile Communicati
16509 9641 11322 3360 AMAZON-02, US
12479 7622 1714 147 UNI2-AS, ES
7545 5651 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4935 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4576 304 647 CABLEONE, US
7155 4181 288 96 VIASAT-SP-BACKBONE, US
20940 3881 3396 129 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9818 9761 CHINAMOBILE-CN China Mobile Communications Grou
12479 7622 7475 UNI2-AS, ES
16509 9641 6281 AMAZON-02, US
7545 5651 4978 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4935 4860 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
7155 4181 4085 VIASAT-SP-BACKBONE, US
11492 4576 3929 CABLEONE, US
7552 3845 3825 VIETEL-AS-AP Viettel Group, VN
20940 3881 3752 AKAMAI-ASN1, NL
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
65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 6461 ZAYO-6461, 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
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
23.173.88.0/24 Origin: 394256 CLOUDSINGULARITY, CA
23.173.88.0/24 Transit: 6939 HURRICANE, US
23.176.160.0/24 Origin: 397327 RESERVED, ZZ
23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US
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 /11:98 /12:299
/13:577 /14:1192 /15:2063 /16:13386 /17:8228 /18:13745
/19:24896 /20:44058 /21:51551 /22:111023 /23:98374 /24:569118
/25:742 /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 6736 7622 UNI2-AS, ES
8151 6476 12517 UNINET, MX
11492 3489 4576 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3395 3598 SHAW, CA
7155 3125 4181 VIASAT-SP-BACKBONE, US
22773 2648 3612 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2156 2500 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2131 3525 Telmex Colombia S.A., CO
8551 2123 2647 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1637 2:1570 3:310 4:6 5:4503 6:161
7:6 8:1517 9:1 11:172 12:1468 13:382
14:2391 15:314 16:208 17:370 18:737 20:354
21:4 22:188 23:6637 24:2702 25:2 27:2573
29:19 31:2641 32:49 34:43 35:125 36:2182
37:4507 38:7109 39:894 40:140 41:4075 42:983
43:2342 44:325 45:16888 46:4366 47:288 49:1932
50:1907 51:575 52:1581 54:307 55:881 56:5
57:154 58:1876 59:1181 60:1022 61:2588 62:2701
63:1904 64:5519 65:2319 66:4715 67:3053 68:1338
69:4049 70:1199 71:574 72:2903 74:2591 75:1551
76:635 77:2408 78:1844 79:2470 80:2150 81:1934
82:1505 83:1257 84:1653 85:3100 86:833 87:2225
88:1237 89:4009 90:683 91:7983 92:2179 93:2634
94:3647 95:4117 96:1287 97:312 98:1037 99:742
100:91 101:1175 102:3104 103:32540 104:4768 105:636
106:938 107:2761 108:1133 109:4065 110:2143 111:3217
112:2067 113:1557 114:1785 115:1989 116:1959 117:2617
118:2361 119:1956 120:1811 121:1330 122:2689 123:2230
124:1608 125:2872 126:28 128:1497 129:925 130:1091
131:1803 132:815 133:410 134:1710 135:312 136:930
137:1051 138:2807 139:1575 140:1372 141:1357 142:1553
143:1489 144:1016 145:342 146:2029 147:1703 148:2491
149:2572 150:1084 151:1317 152:1988 153:526 154:5886
155:1358 156:2247 157:1585 158:1099 159:2238 160:2578
161:1633 162:3602 163:1716 164:1618 165:2109 166:1078
167:1711 168:3965 169:790 170:4718 171:1010 172:3838
173:3029 174:905 175:1218 176:3661 177:4461 178:3569
179:2224 180:2364 181:3671 182:3442 183:1804 184:2259
185:20610 186:4910 187:4398 188:4023 189:4080 190:9334
191:1448 192:10993 193:9033 194:7449 195:5269 196:3131
197:2571 198:6013 199:7385 200:8084 201:6364 202:10481
203:10158 204:4573 205:3741 206:4502 207:3533 208:4157
209:5012 210:4651 211:2578 212:4296 213:3410 214:1106
215:43 216:6765 217:2806 218:1363 219:580 220:2058
221:1024 222:876 223:2234
End of report
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