[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Apr 5 18:02:12 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 06 Apr, 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: 942084
Prefixes after maximum aggregation (per Origin AS): 360114
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 459596
Total ASes present in the Internet Routing Table: 75654
Prefixes per ASN: 12.45
Origin-only ASes present in the Internet Routing Table: 64860
Origin ASes announcing only one prefix: 26602
Transit ASes present in the Internet Routing Table: 10794
Transit-only ASes present in the Internet Routing Table: 512
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 121
Max AS path prepend of ASN (150315) 116
Prefixes from unregistered ASNs in the Routing Table: 1086
Number of instances of unregistered ASNs: 1088
Number of 32-bit ASNs allocated by the RIRs: 44026
Number of 32-bit ASNs visible in the Routing Table: 36188
Prefixes from 32-bit ASNs in the Routing Table: 184039
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 619
Number of addresses announced to Internet: 3027941504
Equivalent to 180 /8s, 122 /16s and 184 /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: 310836
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 249656
Total APNIC prefixes after maximum aggregation: 73375
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 242199
Unique aggregates announced from the APNIC address blocks: 100126
APNIC Region origin ASes present in the Internet Routing Table: 14077
APNIC Prefixes per ASN: 17.21
APNIC Region origin ASes announcing only one prefix: 4259
APNIC Region transit ASes present in the Internet Routing Table: 1876
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 121
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9461
Number of APNIC addresses announced to Internet: 760500096
Equivalent to 45 /8s, 84 /16s and 79 /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: 274690
Total ARIN prefixes after maximum aggregation: 124280
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 279512
Unique aggregates announced from the ARIN address blocks: 133350
ARIN Region origin ASes present in the Internet Routing Table: 19131
ARIN Prefixes per ASN: 14.61
ARIN Region origin ASes announcing only one prefix: 6957
ARIN Region transit ASes present in the Internet Routing Table: 1988
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4874
Number of ARIN addresses announced to Internet: 1269403904
Equivalent to 75 /8s, 169 /16s and 145 /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: 264323
Total RIPE prefixes after maximum aggregation: 126686
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 259065
Unique aggregates announced from the RIPE address blocks: 163033
RIPE Region origin ASes present in the Internet Routing Table: 28624
RIPE Prefixes per ASN: 9.05
RIPE Region origin ASes announcing only one prefix: 12140
RIPE Region transit ASes present in the Internet Routing Table: 3986
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11729
Number of RIPE addresses announced to Internet: 714691328
Equivalent to 42 /8s, 153 /16s and 83 /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: 121581
Total LACNIC prefixes after maximum aggregation: 28909
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 119873
Unique aggregates announced from the LACNIC address blocks: 49537
LACNIC Region origin ASes present in the Internet Routing Table: 11074
LACNIC Prefixes per ASN: 10.82
LACNIC Region origin ASes announcing only one prefix: 2599
LACNIC Region transit ASes present in the Internet Routing Table: 2389
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: 8933
Number of LACNIC addresses announced to Internet: 177207552
Equivalent to 10 /8s, 143 /16s and 249 /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: 30748
Total AfriNIC prefixes after maximum aggregation: 6155
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 40816
Unique aggregates announced from the AfriNIC address blocks: 13064
AfriNIC Region origin ASes present in the Internet Routing Table: 1823
AfriNIC Prefixes per ASN: 22.39
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 357
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1191
Number of AfriNIC addresses announced to Internet: 105811968
Equivalent to 6 /8s, 78 /16s and 144 /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 9842 8742 66 CHINAMOBILE-CN China Mobile Communicati
7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4192 76 ERX-CERNET-BKB China Education and Rese
7552 3862 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3623 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3563 497 257 BBIL-AP BHARTI Airtel Ltd., IN
45899 3289 1872 98 VNPT-AS-VN VNPT Corp, VN
24560 2772 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2309 11259 575 KIXS-AS-KR Korea Telecom, KR
4755 2199 434 196 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 9818 11370 3396 AMAZON-02, US
11492 4600 305 612 CABLEONE, US
7155 4170 287 89 VIASAT-SP-BACKBONE, US
6327 3605 1320 75 SHAW, CA
22773 3525 3046 240 ASN-CXA-ALL-CCI-22773-RDC, US
174 3320 6631 827 COGENT-174, US
749 3202 54912 2454 DNIC-AS-00749, US
16625 3099 1322 2215 AKAMAI-AS, US
367 2876 3553 1366 DNIC-ASBLK-00306-00371, US
396982 2765 3641 413 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 7664 1709 144 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3858 3396 128 AKAMAI-ASN1, NL
9009 3268 283 1597 M247, RO
12389 2979 2303 903 ROSTELECOM-AS, RU
8551 2637 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2349 364 583 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1528 1852 14 TE-AS TE-AS, EG
44477 1512 99 719 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 12352 3314 487 UNINET, MX
10620 3526 496 887 Telmex Colombia S.A., CO
13999 2522 346 654 Mega Cable, S.A. de C.V., MX
11830 2004 369 64 Instituto Costarricense de Electricidad
28573 1342 2317 245 Claro NXT Telecomunicacoes Ltda, BR
3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1147 177 424 Techtel LMDS Comunicaciones Interactiva
6503 1103 346 480 Axtel, S.A.B. de C.V., MX
6147 1081 369 22 Telefonica del Peru S.A.A., PE
22884 1072 114 377 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 1502 389 20 LINKdotNET-AS, EG
36992 1367 1519 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1159 75 74 ORANGE-COTE-IVOIRE, CI
36935 935 521 42 Vodafone-, EG
6713 553 1861 34 IAM-AS, MA
15399 534 56 56 WANANCHI-, KE
36914 484 82 3 KENET-AS, KE
24757 429 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 12352 3314 487 UNINET, MX
9808 9842 8742 66 CHINAMOBILE-CN China Mobile Communicati
16509 9818 11370 3396 AMAZON-02, US
12479 7664 1709 144 UNI2-AS, ES
7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4192 76 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4600 305 612 CABLEONE, US
7155 4170 287 89 VIASAT-SP-BACKBONE, US
7552 3862 1330 20 VIETEL-AS-AP Viettel Group, 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 9842 9776 CHINAMOBILE-CN China Mobile Communications Grou
12479 7664 7520 UNI2-AS, ES
16509 9818 6422 AMAZON-02, US
7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4858 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
7155 4170 4081 VIASAT-SP-BACKBONE, US
11492 4600 3988 CABLEONE, US
7552 3862 3842 VIETEL-AS-AP Viettel Group, VN
20940 3858 3730 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
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
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
27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK
27.0.192.0/22 Transit: 51847 NEAROUTE, HK
27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR
27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.193.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR
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 /11:95 /12:297
/13:583 /14:1195 /15:2072 /16:13290 /17:8241 /18:13732
/19:24837 /20:43930 /21:51558 /22:111110 /23:98490 /24:571852
/25:735 /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 6782 7664 UNI2-AS, ES
8151 6377 12352 UNINET, MX
11492 3513 4600 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3402 3605 SHAW, CA
7155 3114 4170 VIASAT-SP-BACKBONE, US
22773 2614 3525 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2142 2487 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2132 3526 Telmex Colombia S.A., CO
8551 2113 2637 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 2:1488 3:321 4:6 5:4522 6:162
7:6 8:1512 9:1 11:172 12:1463 13:377
14:2397 15:318 16:209 17:368 18:758 20:358
21:4 22:188 23:6662 24:2718 25:2 27:2558
29:19 31:2681 32:49 34:60 35:126 36:2272
37:4460 38:7146 39:892 40:125 41:4078 42:982
43:2355 44:318 45:17011 46:4392 47:302 49:1945
50:1918 51:573 52:1586 54:307 55:996 56:5
57:167 58:1888 59:1245 60:1029 61:2589 62:2675
63:1892 64:5508 65:2314 66:4705 67:3064 68:1334
69:4103 70:1192 71:572 72:2903 74:2585 75:1548
76:630 77:2425 78:1845 79:2486 80:2188 81:1957
82:1547 83:1310 84:1650 85:3130 86:836 87:2271
88:1246 89:4025 90:680 91:8077 92:2197 93:2654
94:3670 95:4142 96:1307 97:314 98:1030 99:744
100:94 101:1180 102:3116 103:32536 104:4853 105:636
106:940 107:2739 108:1118 109:4069 110:2139 111:3273
112:2073 113:1592 114:1792 115:2013 116:1886 117:2618
118:2383 119:1964 120:1813 121:1326 122:2683 123:2230
124:1621 125:2884 126:32 128:1477 129:937 130:1105
131:1855 132:801 133:410 134:1720 135:316 136:941
137:1060 138:2838 139:1563 140:1387 141:1361 142:1592
143:1500 144:998 145:348 146:2049 147:1752 148:2473
149:2583 150:1034 151:1337 152:2006 153:523 154:6284
155:1427 156:2237 157:1696 158:1080 159:2322 160:2627
161:1637 162:3593 163:1718 164:1642 165:2131 166:1129
167:1779 168:3925 169:793 170:4760 171:1026 172:3823
173:3040 174:905 175:1202 176:3628 177:4720 178:3586
179:2264 180:2358 181:3662 182:3432 183:1803 184:2275
185:20694 186:4974 187:4499 188:4041 189:4130 190:9326
191:1504 192:10978 193:9048 194:7458 195:5270 196:3149
197:2344 198:6009 199:7552 200:8055 201:6292 202:10469
203:10186 204:4564 205:3759 206:4501 207:3490 208:4142
209:5044 210:4656 211:2582 212:4322 213:3385 214:1085
215:50 216:6778 217:2820 218:1362 219:581 220:2047
221:1034 222:881 223:2239
End of report
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