[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri May 17 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 18 May, 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: 951216
Prefixes after maximum aggregation (per Origin AS): 361636
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 462147
Total ASes present in the Internet Routing Table: 75834
Prefixes per ASN: 12.54
Origin-only ASes present in the Internet Routing Table: 64987
Origin ASes announcing only one prefix: 26714
Transit ASes present in the Internet Routing Table: 10847
Transit-only ASes present in the Internet Routing Table: 524
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: 987
Number of instances of unregistered ASNs: 989
Number of 32-bit ASNs allocated by the RIRs: 44485
Number of 32-bit ASNs visible in the Routing Table: 36440
Prefixes from 32-bit ASNs in the Routing Table: 186418
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 606
Number of addresses announced to Internet: 3027540096
Equivalent to 180 /8s, 116 /16s and 152 /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: 312849
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 254867
Total APNIC prefixes after maximum aggregation: 73891
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 247091
Unique aggregates announced from the APNIC address blocks: 101153
APNIC Region origin ASes present in the Internet Routing Table: 14165
APNIC Prefixes per ASN: 17.44
APNIC Region origin ASes announcing only one prefix: 4314
APNIC Region transit ASes present in the Internet Routing Table: 1905
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9555
Number of APNIC addresses announced to Internet: 761418368
Equivalent to 45 /8s, 98 /16s and 82 /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: 276396
Total ARIN prefixes after maximum aggregation: 124938
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 281065
Unique aggregates announced from the ARIN address blocks: 133839
ARIN Region origin ASes present in the Internet Routing Table: 19163
ARIN Prefixes per ASN: 14.67
ARIN Region origin ASes announcing only one prefix: 6971
ARIN Region transit ASes present in the Internet Routing Table: 1995
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: 4903
Number of ARIN addresses announced to Internet: 1267620352
Equivalent to 75 /8s, 142 /16s and 90 /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: 266514
Total RIPE prefixes after maximum aggregation: 126908
RIPE Deaggregation factor: 2.10
Prefixes being announced from the RIPE address blocks: 261332
Unique aggregates announced from the RIPE address blocks: 163916
RIPE Region origin ASes present in the Internet Routing Table: 28657
RIPE Prefixes per ASN: 9.12
RIPE Region origin ASes announcing only one prefix: 12135
RIPE Region transit ASes present in the Internet Routing Table: 3970
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: 11806
Number of RIPE addresses announced to Internet: 713922560
Equivalent to 42 /8s, 141 /16s and 152 /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: 121268
Total LACNIC prefixes after maximum aggregation: 29058
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 119506
Unique aggregates announced from the LACNIC address blocks: 49581
LACNIC Region origin ASes present in the Internet Routing Table: 11086
LACNIC Prefixes per ASN: 10.78
LACNIC Region origin ASes announcing only one prefix: 2641
LACNIC Region transit ASes present in the Internet Routing Table: 2415
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: 8971
Number of LACNIC addresses announced to Internet: 176910336
Equivalent to 10 /8s, 139 /16s and 112 /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: 31184
Total AfriNIC prefixes after maximum aggregation: 6175
AfriNIC Deaggregation factor: 5.05
Prefixes being announced from the AfriNIC address blocks: 41616
Unique aggregates announced from the AfriNIC address blocks: 13188
AfriNIC Region origin ASes present in the Internet Routing Table: 1842
AfriNIC Prefixes per ASN: 22.59
AfriNIC Region origin ASes announcing only one prefix: 653
AfriNIC Region transit ASes present in the Internet Routing Table: 356
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1205
Number of AfriNIC addresses announced to Internet: 107281664
Equivalent to 6 /8s, 100 /16s and 253 /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 8743 67 CHINAMOBILE-CN China Mobile Communicati
7545 5638 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4933 4192 74 ERX-CERNET-BKB China Education and Rese
18403 4407 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3909 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3731 507 261 BBIL-AP BHARTI Airtel Ltd., IN
7713 3583 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN
24560 2795 864 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2291 11522 577 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 9916 11376 3544 AMAZON-02, US
11492 4616 306 604 CABLEONE, US
7155 4167 287 89 VIASAT-SP-BACKBONE, US
6327 3597 1320 79 SHAW, CA
174 3531 8774 869 COGENT-174, US
22773 3488 3041 233 ASN-CXA-ALL-CCI-22773-RDC, US
749 3224 54904 2476 DNIC-AS-00749, US
16625 3101 1318 2218 AKAMAI-AS, US
7018 2819 23659 1777 ATT-INTERNET4, US
367 2789 3442 1313 DNIC-ASBLK-00306-00371, 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 7766 1708 145 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3823 3396 133 AKAMAI-ASN1, NL
9009 3350 292 1657 M247, RO
12389 2989 2305 902 ROSTELECOM-AS, RU
8551 2638 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2345 362 581 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
212238 1587 114 1155 CDNEXT, GB
8452 1580 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 12199 3321 487 UNINET, MX
10620 3511 492 939 Telmex Colombia S.A., CO
13999 2540 353 663 Mega Cable, S.A. de C.V., MX
11830 2004 369 64 Instituto Costarricense de Electricidad
28573 1350 2314 252 Claro NXT Telecomunicacoes Ltda, BR
3816 1321 789 190 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1183 176 443 Techtel LMDS Comunicaciones Interactiva
6503 1125 314 478 Axtel, S.A.B. de C.V., MX
6147 1085 369 22 Telefonica del Peru S.A.A., PE
26615 1074 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
24835 1549 545 28 RAYA-AS, EG
24863 1502 389 20 LINKdotNET-AS, EG
36992 1373 1519 282 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1200 77 60 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 557 1861 35 IAM-AS, MA
15399 532 56 56 WANANCHI-, KE
37342 508 32 1 MOVITEL, MZ
36914 489 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 12199 3321 487 UNINET, MX
16509 9916 11376 3544 AMAZON-02, US
9808 9841 8743 67 CHINAMOBILE-CN China Mobile Communicati
12479 7766 1708 145 UNI2-AS, ES
7545 5638 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4933 4192 74 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4616 306 604 CABLEONE, US
18403 4407 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 9774 CHINAMOBILE-CN China Mobile Communications Grou
12479 7766 7621 UNI2-AS, ES
16509 9916 6372 AMAZON-02, US
7545 5638 4964 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4933 4859 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
18403 4407 4384 FPT-AS-AP FPT Telecom Company, VN
7155 4167 4078 VIASAT-SP-BACKBONE, US
11492 4616 4012 CABLEONE, US
7552 3909 3888 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
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
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
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
23.147.240.0/24 Origin: 398208 RESERVED, ZZ
23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, 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 /11:94 /12:297
/13:577 /14:1169 /15:2050 /16:13271 /17:8260 /18:13761
/19:24738 /20:44279 /21:51773 /22:111560 /23:99295 /24:579294
/25:731 /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 6862 7766 UNI2-AS, ES
8151 6233 12199 UNINET, MX
11492 3525 4616 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3393 3597 SHAW, CA
7155 3111 4167 VIASAT-SP-BACKBONE, US
22773 2585 3488 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2159 2504 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2137 3511 Telmex Colombia S.A., CO
16509 2122 9916 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2304 2:1515 3:348 4:6 5:4566 6:164
7:6 8:1515 9:1 11:172 12:1454 13:360
14:2410 15:318 16:211 17:366 18:766 20:375
21:4 22:188 23:6751 24:2719 25:2 27:2543
29:19 31:2589 32:48 34:60 35:134 36:2295
37:4486 38:7476 39:896 40:122 41:4083 42:2172
43:2374 44:314 45:17059 46:4488 47:307 49:1959
50:1902 51:576 52:1577 54:313 55:999 56:5
57:178 58:2093 59:1252 60:1027 61:2612 62:2681
63:1893 64:5518 65:2343 66:4690 67:2990 68:1321
69:4095 70:1186 71:583 72:2859 74:2595 75:1558
76:618 77:2486 78:1859 79:2518 80:2195 81:2016
82:1608 83:1335 84:1659 85:3153 86:859 87:2288
88:1251 89:4086 90:679 91:8129 92:2308 93:2702
94:3732 95:4191 96:1283 97:316 98:1034 99:742
100:72 101:1177 102:3284 103:32619 104:4795 105:677
106:957 107:2752 108:1151 109:4139 110:2137 111:3301
112:2071 113:1838 114:1795 115:2072 116:1903 117:2646
118:2812 119:1975 120:1793 121:1331 122:2698 123:2235
124:1629 125:2883 126:32 128:1476 129:937 130:1143
131:1836 132:802 133:412 134:1736 135:322 136:1010
137:1069 138:2817 139:1542 140:1392 141:1345 142:1574
143:1512 144:1015 145:365 146:2056 147:1927 148:2503
149:2758 150:1036 151:1329 152:2153 153:525 154:6494
155:1451 156:2284 157:1777 158:1152 159:2337 160:2655
161:1684 162:3558 163:1708 164:1653 165:2148 166:1173
167:1800 168:3924 169:800 170:4867 171:1040 172:3850
173:3043 174:893 175:1199 176:3682 177:4717 178:3715
179:2191 180:2361 181:3745 182:3429 183:1996 184:2263
185:20817 186:4952 187:4502 188:4075 189:4133 190:9418
191:1479 192:11006 193:9133 194:7512 195:5300 196:3164
197:2558 198:6050 199:7726 200:7980 201:6232 202:10497
203:10210 204:4595 205:3761 206:4483 207:3596 208:4159
209:5062 210:4664 211:2623 212:4325 213:3429 214:1070
215:49 216:6834 217:2989 218:1341 219:581 220:2044
221:1033 222:872 223:2247
End of report
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