[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 20 20:16:52 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 20 May, 2025
IPv4 BGP Table (R&E) as seen at KREONet2.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 263959
Prefixes after maximum aggregation (per Origin AS): 115979
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135455
Number of IPv4 prefixes with a valid ROA: 118778
Number of IPv4 prefixes with an invalid ROA: 29
Number of IPv4 prefixes with no ROA: 145152
Total ASes present in the Internet Routing Table: 19825
Prefixes per ASN: 13.31
Origin-only ASes present in the Internet Routing Table: 17136
Origin ASes announcing only one prefix: 7804
Transit ASes present in the Internet Routing Table: 2689
Transit-only ASes present in the Internet Routing Table: 728
Paths with bogon ASNs present in the IPv4 Routing Table: 9
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 38
Max AS path prepend of ASN ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 314
Number of instances of unregistered ASNs: 318
Number of 32-bit ASNs allocated by the RIRs: 46463
Number of 32-bit ASNs visible in the Routing Table: 7483
Prefixes from 32-bit ASNs in the Routing Table: 27970
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 1558831069
Equivalent to 92 /8s, 233 /16s and 223 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 42.1
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: 83061
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32549
Total APNIC prefixes after maximum aggregation: 7530
APNIC Deaggregation factor: 4.32
Prefixes being announced from the APNIC address blocks: 30993
Unique aggregates announced from the APNIC address blocks: 7623
APNIC Region origin ASes present in the Internet Routing Table: 1204
APNIC Prefixes per ASN: 25.74
APNIC Region origin ASes announcing only one prefix: 479
APNIC Region transit ASes present in the Internet Routing Table: 206
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 558
Number of APNIC addresses announced to Internet: 167619180
Equivalent to 9 /8s, 253 /16s and 170 /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, 131072-155961
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: 125662
Total ARIN prefixes after maximum aggregation: 65785
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 122690
Unique aggregates announced from the ARIN address blocks: 66229
ARIN Region origin ASes present in the Internet Routing Table: 9364
ARIN Prefixes per ASN: 13.10
ARIN Region origin ASes announcing only one prefix: 3913
ARIN Region transit ASes present in the Internet Routing Table: 864
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2194
Number of ARIN addresses announced to Internet: 960841185
Equivalent to 57 /8s, 69 /16s and 69 /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: 49589
Total RIPE prefixes after maximum aggregation: 26634
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 51269
Unique aggregates announced from the RIPE address blocks: 37220
RIPE Region origin ASes present in the Internet Routing Table: 4593
RIPE Prefixes per ASN: 11.16
RIPE Region origin ASes announcing only one prefix: 1945
RIPE Region transit ASes present in the Internet Routing Table: 692
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1883
Number of RIPE addresses announced to Internet: 286019152
Equivalent to 17 /8s, 12 /16s and 78 /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: 44766
Total LACNIC prefixes after maximum aggregation: 13468
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 43882
Unique aggregates announced from the LACNIC address blocks: 20048
LACNIC Region origin ASes present in the Internet Routing Table: 3524
LACNIC Prefixes per ASN: 12.45
LACNIC Region origin ASes announcing only one prefix: 1359
LACNIC Region transit ASes present in the Internet Routing Table: 708
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2699
Number of LACNIC addresses announced to Internet: 97359424
Equivalent to 5 /8s, 205 /16s and 150 /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: 11079
Total AfriNIC prefixes after maximum aggregation: 2349
AfriNIC Deaggregation factor: 4.72
Prefixes being announced from the AfriNIC address blocks: 15010
Unique aggregates announced from the AfriNIC address blocks: 4221
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 52.85
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 80
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 149
Number of AfriNIC addresses announced to Internet: 46941440
Equivalent to 2 /8s, 204 /16s and 69 /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 10907 8756 95 CHINAMOBILE-CN China Mobile Communication
56046 1837 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1586 715 80 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1485 192 53 CMNET-HUNAN-AP China Mobile communication
24547 864 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
17561 842 53 393 LCS-AS-AP LARUS Limited, HK
24444 775 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 603 2169 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 514 848 137 ALIBABA-CN-NET Alibaba US Technology Co.,
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13420 40824 5071 AMAZON-02, US
22773 3345 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
4155 2738 208 1693 USDA-1, US
36352 2560 210 1132 AS-COLOCROSSING, US
367 2434 2908 1166 DNIC-ASBLK-00306-00371, US
7018 2089 22887 1538 ATT-INTERNET4, US
11776 1896 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1865 3790 491 CELLCO-PART, US
209 1661 4889 271 CENTURYLINK-US-LEGACY-QWEST, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 1936 130 50 ALJAWWALSTC-AS, SA
20940 1177 92 965 AKAMAI-ASN1, NL
3257 930 2076 747 GTT-BACKBONE GTT, US
3215 895 4818 289 France Telecom - Orange, FR
25019 820 1301 129 SAUDINETSTC-AS, SA
8452 778 1841 16 TE-AS TE-AS, EG
34984 689 77 411 TELLCOM-AS, TR
212238 621 44 547 CDNEXT, GB
58224 606 345 429 TCI, IR
203214 576 42 381 HULUMTELE, IQ
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 7251 1991 996 UNINET, MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
10620 1902 280 1293 Telmex Colombia S.A., CO
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 371 22 Telefonica del Peru S.A.A., PE
26615 1027 2503 52 TIM SA, BR
18881 882 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 647 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 552 2884 69 TELEFONICA BRASIL S.A, BR
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1495 389 16 LINKdotNET-AS, EG
24835 1024 523 36 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 979 100 74 ORANGE-COTE-IVOIRE, CI
36992 603 1228 124 ETISALAT-MISR, EG
36935 586 125 165 Vodafone-, EG
36914 555 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 457 205 331 MT-MPLS, MA
2018 372 318 69 TENET-1, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13420 40824 5071 AMAZON-02, US
9808 10907 8756 95 CHINAMOBILE-CN China Mobile Communication
8151 7251 1991 996 UNINET, MX
22773 3345 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
4155 2738 208 1693 USDA-1, US
36352 2560 210 1132 AS-COLOCROSSING, US
367 2434 2908 1166 DNIC-ASBLK-00306-00371, US
7018 2089 22887 1538 ATT-INTERNET4, US
11830 1996 369 64 Instituto Costarricense de Electricidad y
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 10907 10812 CHINAMOBILE-CN China Mobile Communications Grou
8151 7251 6255 UNINET, MX
22773 3345 3181 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1996 1932 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1896 1680 ATLANTICBB-JOHNSTOWN, US
56046 1837 1651 CMNET-JIANGSU-AP China Mobile communications co
56041 1586 1506 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1495 1479 LINKdotNET-AS, EG
56047 1485 1432 CMNET-HUNAN-AP China Mobile communications corp
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US
22542 UNALLOCATED 8.42.195.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US
399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US
13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US
396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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://bgp.nsrc.org/REN/KREONet2/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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22 Transit: 2914 NTT-DATA-2914, US
41.204.224.0/24 Origin: 36911 RESERVED, ZZ
41.204.224.0/24 Transit: 328766 RESERVED, ZZ
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:13 /9:10 /10:30 /11:41 /12:150
/13:209 /14:574 /15:1100 /16:7641 /17:3451 /18:4217
/19:7651 /20:12486 /21:15308 /22:27515 /23:27795 /24:155546
/25:62 /26:81 /27:35 /28:13 /29:15 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3791 7251 UNINET, MX
22773 2499 3345 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2312 13420 AMAZON-02, US
11830 1697 1996 Instituto Costarricense de Electricidad y Telecom., CR
10620 1081 1902 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1041 2560 AS-COLOCROSSING, US
19901 979 1266 BRSPD-PUBLIC, US
209 964 1661 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1896 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:19 2:479 3:762 4:5 5:800 6:156
7:5 8:678 11:171 12:996 13:366 14:115
15:301 16:246 17:6 18:884 20:181 21:4
22:188 23:2599 24:640 27:23 29:19 31:515
32:9 33:1 34:10 35:133 36:1771 37:975
38:1945 39:555 40:62 41:986 42:21 43:204
44:36 45:3622 46:958 47:93 49:18 50:366
51:386 52:1392 54:313 55:1089 56:11 57:18
58:17 59:15 60:16 61:75 62:546 63:752
64:1926 65:1092 66:1536 67:960 68:398 69:1115
70:413 71:199 72:730 74:939 75:325 76:249
77:479 78:349 79:234 80:315 81:384 82:723
83:231 84:338 85:433 86:231 87:208 88:292
89:863 90:104 91:926 92:621 93:485 94:923
95:683 96:289 97:60 98:457 99:175 100:35
101:18 102:366 103:1208 104:1626 105:222 106:16
107:1525 108:548 109:394 110:35 111:1966 112:478
113:40 114:40 115:22 116:62 117:1047 118:29
119:124 120:1241 121:44 122:58 123:76 124:57
125:25 128:492 129:432 130:690 131:909 132:565
133:211 134:496 135:113 136:610 137:502 138:860
139:424 140:699 141:456 142:1022 143:677 144:436
145:135 146:674 147:491 148:884 149:762 150:351
151:642 152:479 153:130 154:1790 155:859 156:1409
157:384 158:554 159:736 160:816 161:665 162:984
163:430 164:718 165:776 166:783 167:633 168:1123
169:154 170:1543 171:121 172:1372 173:845 174:253
175:62 176:787 177:811 178:510 179:696 180:49
181:1817 182:29 183:956 184:448 185:3471 186:2040
187:1409 188:819 189:1766 190:4236 191:443 192:5144
193:1881 194:1234 195:937 196:735 197:1584 198:2735
199:4911 200:3603 201:3271 202:994 203:731 204:2150
205:1952 206:1536 207:1511 208:1425 209:1937 210:292
211:436 212:1030 213:787 214:981 215:42 216:2544
217:429 218:525 219:19 220:29 221:349 222:31
223:802
End of report
More information about the ren-bgp-stats-all
mailing list