[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 1 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 02 Nov, 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: 966387
Prefixes after maximum aggregation (per Origin AS): 367550
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 469509
Number of IPv4 prefixes with a valid ROA: 319991
Number of IPv4 prefixes with an invalid ROA: 1195
Number of IPv4 prefixes with no ROA: 645201
Total ASes present in the Internet Routing Table: 76413
Prefixes per ASN: 12.65
Origin-only ASes present in the Internet Routing Table: 65461
Origin ASes announcing only one prefix: 26839
Transit ASes present in the Internet Routing Table: 10952
Transit-only ASes present in the Internet Routing Table: 527
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 56
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 985
Number of instances of unregistered ASNs: 999
Number of 32-bit ASNs allocated by the RIRs: 45690
Number of 32-bit ASNs visible in the Routing Table: 37368
Prefixes from 32-bit ASNs in the Routing Table: 194235
Number of bogon 32-bit ASNs visible in the Routing Table: 59
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 527
Number of addresses announced to Internet: 3027561472
Equivalent to 180 /8s, 116 /16s and 236 /24s
Percentage of available address space announced: 81.8
Percentage of allocated address space announced: 81.8
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: 315863
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258131
Total APNIC prefixes after maximum aggregation: 75713
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 249992
Unique aggregates announced from the APNIC address blocks: 101376
APNIC Region origin ASes present in the Internet Routing Table: 14432
APNIC Prefixes per ASN: 17.32
APNIC Region origin ASes announcing only one prefix: 4401
APNIC Region transit ASes present in the Internet Routing Table: 1901
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: 9867
Number of APNIC addresses announced to Internet: 756798080
Equivalent to 45 /8s, 27 /16s and 210 /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: 282780
Total ARIN prefixes after maximum aggregation: 126258
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 285603
Unique aggregates announced from the ARIN address blocks: 135775
ARIN Region origin ASes present in the Internet Routing Table: 19195
ARIN Prefixes per ASN: 14.88
ARIN Region origin ASes announcing only one prefix: 6978
ARIN Region transit ASes present in the Internet Routing Table: 2010
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5060
Number of ARIN addresses announced to Internet: 1267018496
Equivalent to 75 /8s, 133 /16s and 43 /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: 268526
Total RIPE prefixes after maximum aggregation: 129792
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 265469
Unique aggregates announced from the RIPE address blocks: 168869
RIPE Region origin ASes present in the Internet Routing Table: 28799
RIPE Prefixes per ASN: 9.22
RIPE Region origin ASes announcing only one prefix: 12136
RIPE Region transit ASes present in the Internet Routing Table: 3983
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: 12100
Number of RIPE addresses announced to Internet: 722111360
Equivalent to 43 /8s, 10 /16s and 139 /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: 122977
Total LACNIC prefixes after maximum aggregation: 28570
LACNIC Deaggregation factor: 4.30
Prefixes being announced from the LACNIC address blocks: 120501
Unique aggregates announced from the LACNIC address blocks: 48600
LACNIC Region origin ASes present in the Internet Routing Table: 11167
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2633
LACNIC Region transit ASes present in the Internet Routing Table: 2483
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 56
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9083
Number of LACNIC addresses announced to Internet: 177433856
Equivalent to 10 /8s, 147 /16s and 109 /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: 32988
Total AfriNIC prefixes after maximum aggregation: 6572
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 44295
Unique aggregates announced from the AfriNIC address blocks: 14445
AfriNIC Region origin ASes present in the Internet Routing Table: 1899
AfriNIC Prefixes per ASN: 23.33
AfriNIC Region origin ASes announcing only one prefix: 691
AfriNIC Region transit ASes present in the Internet Routing Table: 368
Average AfriNIC Region AS path length visible: 5.9
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1258
Number of AfriNIC addresses announced to Internet: 103918592
Equivalent to 6 /8s, 49 /16s and 172 /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 10088 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6062 840 654 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4261 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN
9498 3853 513 267 BBIL-AP BHARTI Airtel Ltd., IN
7713 3653 1036 71 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3261 1869 99 VNPT-AS-VN VNPT Corp, VN
24560 2785 830 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2287 11520 586 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 11003 11932 3878 AMAZON-02, US
11492 4661 310 548 CABLEONE, US
174 4439 8755 825 COGENT-174, US
7155 4163 287 85 VIASAT-SP-BACKBONE, US
6327 3605 1320 79 SHAW, CA
22773 3416 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US
749 3262 54896 2509 DNIC-AS-00749, US
7018 3150 23660 1977 ATT-INTERNET4, US
396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US
16625 2851 1245 2124 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 7647 1709 143 UNI2-AS, ES
39891 4720 289 58 ALJAWWALSTC-AS, SA
20940 3879 3395 129 AKAMAI-ASN1, NL
9009 3699 319 1885 M247, RO
12389 2949 2295 880 ROSTELECOM-AS, RU
34984 2342 359 579 TELLCOM-AS, TR
212238 1848 135 1366 CDNEXT, GB
13188 1606 100 30 TRIOLAN, UA
8452 1568 1852 14 TE-AS TE-AS, EG
8551 1474 366 32 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 11437 3224 542 UNINET, MX
10620 3543 494 943 Telmex Colombia S.A., CO
13999 2534 532 359 Mega Cable, S.A. de C.V., MX
11830 2007 369 64 Instituto Costarricense de Electricidad y
28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR
3816 1322 779 201 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6503 1160 374 163 Axtel, S.A.B. de C.V., MX
11664 1152 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1112 369 22 Telefonica del Peru S.A.A., PE
22884 1064 97 371 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 1627 593 29 RAYA-AS, EG
24863 1619 389 16 LINKdotNET-AS, EG
36992 1421 1519 283 ETISALAT-MISR, EG
29571 1370 87 58 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 986 523 45 Vodafone-, EG
20011 781 153 343 INTERNET-SOLUTIONS, ZA
37069 590 1099 13 MOBINIL, EG
6713 556 1861 35 IAM-AS, MA
36914 521 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 11437 3224 542 UNINET, MX
16509 11003 11932 3878 AMAZON-02, US
9808 10088 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7647 1709 143 UNI2-AS, ES
7545 6062 840 654 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4192 74 ERX-CERNET-BKB China Education and Resear
39891 4720 289 58 ALJAWWALSTC-AS, SA
11492 4661 310 548 CABLEONE, US
174 4439 8755 825 COGENT-174, US
18403 4261 347 23 FPT-AS-AP FPT Telecom Company, VN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 10088 10000 CHINAMOBILE-CN China Mobile Communications Grou
12479 7647 7504 UNI2-AS, ES
16509 11003 7125 AMAZON-02, US
7545 6062 5408 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4798 ERX-CERNET-BKB China Education and Research Net
39891 4720 4662 ALJAWWALSTC-AS, SA
18403 4261 4238 FPT-AS-AP FPT Telecom Company, VN
11492 4661 4113 CABLEONE, US
7155 4163 4078 VIASAT-SP-BACKBONE, US
7552 3908 3883 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
65538 DOCUMENT 2.135.152.0/22 9198 KAZTELECOM-AS, KZ
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
23.139.88.0/24 Origin: 397244 RESERVED, ZZ
23.139.88.0/24 Transit: 33387 NOCIX, 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
23.152.48.0/24 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 /10:36 /11:91 /12:295
/13:576 /14:1170 /15:2059 /16:13177 /17:8260 /18:13768
/19:24584 /20:44902 /21:52281 /22:112253 /23:100292 /24:591885
/25:726 /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 6695 7647 UNI2-AS, ES
8151 5654 11437 UNINET, MX
11492 3555 4661 CABLEONE, US
39891 3412 4720 ALJAWWALSTC-AS, SA
6327 3400 3605 SHAW, CA
7155 3107 4163 VIASAT-SP-BACKBONE, US
22773 2546 3416 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2249 11003 AMAZON-02, US
30036 2191 2530 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)
----------------------------------------------
1:2288 2:1553 3:511 4:8 5:4426 6:169
7:6 8:1509 9:1 11:172 12:1420 13:371
14:2494 15:331 16:265 17:359 18:901 20:441
21:4 22:188 23:6955 24:2650 25:2 27:2599
29:19 31:2962 32:47 34:70 35:143 36:2369
37:4452 38:8824 39:917 40:149 41:4077 42:2037
43:2471 44:328 45:17756 46:4710 47:300 49:2027
50:1859 51:580 52:1581 54:313 55:952 56:8
57:224 58:2256 59:1269 60:1149 61:2741 62:2832
63:1846 64:5386 65:2274 66:4648 67:2990 68:1332
69:4006 70:1127 71:573 72:2854 74:2793 75:1631
76:638 77:2583 78:1878 79:1662 80:2205 81:2034
82:1790 83:1387 84:1764 85:3119 86:967 87:2411
88:1247 89:4366 90:701 91:8268 92:2610 93:2812
94:3823 95:4284 96:1265 97:314 98:1070 99:738
100:73 101:1169 102:3369 103:32293 104:4418 105:705
106:987 107:2396 108:1172 109:4061 110:2224 111:3317
112:2046 113:1758 114:1938 115:2138 116:1991 117:2706
118:2848 119:1982 120:1893 121:1410 122:2719 123:2159
124:1639 125:2858 126:64 128:1361 129:941 130:1253
131:1877 132:811 133:446 134:1527 135:315 136:1262
137:1135 138:2859 139:1540 140:1479 141:1567 142:1812
143:1609 144:1024 145:399 146:2107 147:2053 148:2535
149:2827 150:1124 151:1443 152:2114 153:499 154:7125
155:1542 156:2911 157:1839 158:1216 159:2439 160:3270
161:1740 162:3567 163:1770 164:1935 165:2132 166:1338
167:1845 168:4097 169:787 170:4986 171:997 172:3913
173:3129 174:912 175:1250 176:3486 177:4811 178:3651
179:2215 180:2520 181:3921 182:3322 183:2030 184:2269
185:21187 186:5031 187:4241 188:4233 189:4158 190:9553
191:1513 192:11203 193:9272 194:7622 195:5378 196:3218
197:3324 198:6033 199:8207 200:8143 201:6283 202:10567
203:10427 204:4664 205:3679 206:4633 207:3648 208:4226
209:5154 210:4789 211:2679 212:4515 213:3642 214:1048
215:48 216:6653 217:3030 218:1383 219:556 220:2081
221:1050 222:837 223:2319
End of report
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