[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 20 18:02:25 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 21 Dec, 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: 973762
Prefixes after maximum aggregation (per Origin AS): 369108
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 467868
Number of IPv4 prefixes with a valid ROA: 519398
Number of IPv4 prefixes with an invalid ROA: 1302
Number of IPv4 prefixes with no ROA: 453062
Total ASes present in the Internet Routing Table: 76531
Prefixes per ASN: 12.72
Origin-only ASes present in the Internet Routing Table: 65519
Origin ASes announcing only one prefix: 26843
Transit ASes present in the Internet Routing Table: 11012
Transit-only ASes present in the Internet Routing Table: 533
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 65
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1065
Number of instances of unregistered ASNs: 1070
Number of 32-bit ASNs allocated by the RIRs: 45988
Number of 32-bit ASNs visible in the Routing Table: 37598
Prefixes from 32-bit ASNs in the Routing Table: 196538
Number of bogon 32-bit ASNs visible in the Routing Table: 28
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 488
Number of addresses announced to Internet: 3117187328
Equivalent to 185 /8s, 204 /16s and 129 /24s
Percentage of available address space announced: 84.2
Percentage of allocated address space announced: 84.2
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: 317636
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259254
Total APNIC prefixes after maximum aggregation: 76225
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 251517
Unique aggregates announced from the APNIC address blocks: 102498
APNIC Region origin ASes present in the Internet Routing Table: 14484
APNIC Prefixes per ASN: 17.37
APNIC Region origin ASes announcing only one prefix: 4421
APNIC Region transit ASes present in the Internet Routing Table: 1916
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: 9945
Number of APNIC addresses announced to Internet: 756946560
Equivalent to 45 /8s, 30 /16s and 22 /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: 286370
Total ARIN prefixes after maximum aggregation: 126059
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 288276
Unique aggregates announced from the ARIN address blocks: 131474
ARIN Region origin ASes present in the Internet Routing Table: 19211
ARIN Prefixes per ASN: 15.01
ARIN Region origin ASes announcing only one prefix: 6971
ARIN Region transit ASes present in the Internet Routing Table: 2013
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5101
Number of ARIN addresses announced to Internet: 1345860096
Equivalent to 80 /8s, 56 /16s and 50 /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: 269577
Total RIPE prefixes after maximum aggregation: 130646
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 266505
Unique aggregates announced from the RIPE address blocks: 170130
RIPE Region origin ASes present in the Internet Routing Table: 28824
RIPE Prefixes per ASN: 9.25
RIPE Region origin ASes announcing only one prefix: 12103
RIPE Region transit ASes present in the Internet Routing Table: 3987
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12178
Number of RIPE addresses announced to Internet: 732609152
Equivalent to 43 /8s, 170 /16s and 186 /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: 123469
Total LACNIC prefixes after maximum aggregation: 28911
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 120945
Unique aggregates announced from the LACNIC address blocks: 48670
LACNIC Region origin ASes present in the Internet Routing Table: 11183
LACNIC Prefixes per ASN: 10.82
LACNIC Region origin ASes announcing only one prefix: 2653
LACNIC Region transit ASes present in the Internet Routing Table: 2501
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: 9104
Number of LACNIC addresses announced to Internet: 177549824
Equivalent to 10 /8s, 149 /16s and 50 /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: 34027
Total AfriNIC prefixes after maximum aggregation: 6596
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 46031
Unique aggregates announced from the AfriNIC address blocks: 14686
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 24.10
AfriNIC Region origin ASes announcing only one prefix: 695
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 65
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270
Number of AfriNIC addresses announced to Internet: 103964416
Equivalent to 6 /8s, 50 /16s and 95 /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 10100 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6192 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4809 4192 76 ERX-CERNET-BKB China Education and Resear
18403 4448 347 23 FPT-AS-AP FPT Telecom Company, VN
9498 4038 523 280 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN
7713 3676 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3257 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2805 839 541 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2280 11519 584 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 12528 38249 3005 AMAZON-02, US
11492 4691 312 556 CABLEONE, US
174 4205 8764 880 COGENT-174, US
7155 4165 287 85 VIASAT-SP-BACKBONE, US
6327 3614 1320 79 SHAW, CA
22773 3394 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
7018 3254 23510 2065 ATT-INTERNET4, US
396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US
16625 2861 1244 2126 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 7705 1709 143 UNI2-AS, ES
39891 4750 290 62 ALJAWWALSTC-AS, SA
20940 3918 3395 129 AKAMAI-ASN1, NL
9009 3694 318 1868 M247, RO
12389 2968 2295 883 ROSTELECOM-AS, RU
34984 2351 360 577 TELLCOM-AS, TR
212238 1834 133 1349 CDNEXT, GB
8452 1626 1852 14 TE-AS TE-AS, EG
13188 1607 100 26 TRIOLAN, UA
62240 1495 98 748 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 11519 3227 604 UNINET, MX
10620 3543 494 942 Telmex Colombia S.A., CO
13999 2539 541 372 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1332 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1170 374 163 Axtel, S.A.B. de C.V., MX
11664 1131 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1117 371 22 Telefonica del Peru S.A.A., PE
22884 1069 98 373 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
24863 1650 389 16 LINKdotNET-AS, EG
24835 1649 593 29 RAYA-AS, EG
29571 1464 93 59 ORANGE-COTE-IVOIRE, CI
36992 1425 1518 287 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 999 520 40 Vodafone-, EG
20011 967 179 271 INTERNET-SOLUTIONS, ZA
37069 845 1083 15 MOBINIL, EG
6713 557 1861 35 IAM-AS, MA
36914 543 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
16509 12528 38249 3005 AMAZON-02, US
8151 11519 3227 604 UNINET, MX
9808 10100 8754 93 CHINAMOBILE-CN China Mobile Communication
12479 7705 1709 143 UNI2-AS, ES
7545 6192 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4809 4192 76 ERX-CERNET-BKB China Education and Resear
39891 4750 290 62 ALJAWWALSTC-AS, SA
11492 4691 312 556 CABLEONE, US
18403 4448 347 23 FPT-AS-AP FPT Telecom Company, VN
174 4205 8764 880 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
8151 11519 10915 UNINET, MX
9808 10100 10007 CHINAMOBILE-CN China Mobile Communications Grou
12479 7705 7562 UNI2-AS, ES
7545 6192 5531 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4809 4733 ERX-CERNET-BKB China Education and Research Net
39891 4750 4688 ALJAWWALSTC-AS, SA
18403 4448 4425 FPT-AS-AP FPT Telecom Company, VN
11492 4691 4135 CABLEONE, US
7155 4165 4080 VIASAT-SP-BACKBONE, US
7552 3912 3887 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
400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US
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
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
23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA
23.132.192.0/24 Transit: 6939 HURRICANE, US
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 10796 TWC-10796-MIDWEST, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /10:42 /11:93 /12:311
/13:590 /14:1222 /15:2152 /16:13975 /17:8296 /18:13778
/19:24878 /20:45100 /21:52508 /22:112306 /23:100992 /24:596800
/25:687 /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 6677 7705 UNI2-AS, ES
8151 5714 11519 UNINET, MX
11492 3555 4691 CABLEONE, US
39891 3441 4750 ALJAWWALSTC-AS, SA
6327 3409 3614 SHAW, CA
7155 3113 4165 VIASAT-SP-BACKBONE, US
22773 2527 3394 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2266 12528 AMAZON-02, US
30036 2222 2561 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2173 3543 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2316 2:1569 3:533 4:9 5:4474 6:165
7:6 8:1548 9:1 11:172 12:1398 13:357
14:2508 15:332 16:269 17:361 18:901 20:446
21:4 22:188 23:7202 24:2726 25:2 27:2612
29:19 31:3057 32:40 34:69 35:176 36:2405
37:4501 38:9005 39:880 40:150 41:4180 42:2099
43:2521 44:340 45:17974 46:4971 47:298 49:2006
50:1880 51:587 52:1574 54:315 55:1034 56:8
57:233 58:2293 59:1244 60:1154 61:2804 62:2885
63:1832 64:5412 65:2216 66:4646 67:3019 68:1286
69:3987 70:1107 71:596 72:2861 74:2790 75:1634
76:634 77:2566 78:1851 79:1693 80:2220 81:2034
82:1779 83:1412 84:1788 85:3188 86:972 87:2414
88:1266 89:4340 90:759 91:8257 92:2738 93:2836
94:3844 95:4197 96:1246 97:308 98:1065 99:732
100:71 101:1178 102:3463 103:32373 104:4459 105:742
106:1011 107:2603 108:1193 109:4046 110:2237 111:3324
112:2045 113:1831 114:1936 115:2156 116:2048 117:2684
118:2867 119:1955 120:1883 121:1398 122:2741 123:2173
124:1612 125:2859 126:62 128:1578 129:951 130:1265
131:1856 132:805 133:450 134:1507 135:323 136:1332
137:1142 138:2921 139:1542 140:1519 141:1453 142:1835
143:1583 144:1029 145:406 146:2130 147:2039 148:2572
149:2836 150:1160 151:1476 152:2111 153:499 154:7683
155:1572 156:2945 157:1855 158:1249 159:2444 160:3411
161:1748 162:3609 163:1788 164:1687 165:2154 166:1351
167:1861 168:4114 169:797 170:5079 171:994 172:4011
173:3190 174:915 175:1255 176:3553 177:4833 178:3750
179:2252 180:2540 181:3954 182:3358 183:2080 184:2257
185:21304 186:5045 187:4292 188:4223 189:4137 190:9596
191:1550 192:11221 193:9301 194:7685 195:5429 196:3203
197:3497 198:6100 199:8288 200:8079 201:6265 202:10588
203:10480 204:4641 205:3691 206:4673 207:3612 208:4213
209:5130 210:4784 211:2622 212:4499 213:3765 214:1061
215:48 216:6579 217:3072 218:1380 219:540 220:2108
221:1052 222:849 223:2313
End of report
More information about the afnog
mailing list