[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 13 20:16:36 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 13 Jun, 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: 262726
Prefixes after maximum aggregation (per Origin AS): 115856
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 136623
Number of IPv4 prefixes with a valid ROA: 118709
Number of IPv4 prefixes with an invalid ROA: 29
Number of IPv4 prefixes with no ROA: 143988
Total ASes present in the Internet Routing Table: 19874
Prefixes per ASN: 13.22
Origin-only ASes present in the Internet Routing Table: 17143
Origin ASes announcing only one prefix: 7792
Transit ASes present in the Internet Routing Table: 2731
Transit-only ASes present in the Internet Routing Table: 735
Paths with bogon ASNs present in the IPv4 Routing Table: 13
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 29
Max AS path prepend of ASN (214570) 20
Prefixes from unregistered ASNs in the Routing Table: 370
Number of instances of unregistered ASNs: 402
Number of 32-bit ASNs allocated by the RIRs: 46641
Number of 32-bit ASNs visible in the Routing Table: 7486
Prefixes from 32-bit ASNs in the Routing Table: 28064
Number of bogon 32-bit ASNs visible in the Routing Table: 74
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 108
Number of addresses announced to Internet: 1557989085
Equivalent to 92 /8s, 221 /16s and 6 /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: 83422
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32020
Total APNIC prefixes after maximum aggregation: 7110
APNIC Deaggregation factor: 4.50
Prefixes being announced from the APNIC address blocks: 31037
Unique aggregates announced from the APNIC address blocks: 7334
APNIC Region origin ASes present in the Internet Routing Table: 1192
APNIC Prefixes per ASN: 26.04
APNIC Region origin ASes announcing only one prefix: 471
APNIC Region transit ASes present in the Internet Routing Table: 191
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 556
Number of APNIC addresses announced to Internet: 166450028
Equivalent to 9 /8s, 235 /16s and 211 /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: 125172
Total ARIN prefixes after maximum aggregation: 65811
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 122648
Unique aggregates announced from the ARIN address blocks: 66335
ARIN Region origin ASes present in the Internet Routing Table: 9331
ARIN Prefixes per ASN: 13.14
ARIN Region origin ASes announcing only one prefix: 3892
ARIN Region transit ASes present in the Internet Routing Table: 868
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2200
Number of ARIN addresses announced to Internet: 961335265
Equivalent to 57 /8s, 76 /16s and 207 /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: 49807
Total RIPE prefixes after maximum aggregation: 26930
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 51680
Unique aggregates announced from the RIPE address blocks: 37655
RIPE Region origin ASes present in the Internet Routing Table: 4770
RIPE Prefixes per ASN: 10.83
RIPE Region origin ASes announcing only one prefix: 2012
RIPE Region transit ASes present in the Internet Routing Table: 734
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: 1949
Number of RIPE addresses announced to Internet: 287656528
Equivalent to 17 /8s, 37 /16s and 74 /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: 44210
Total LACNIC prefixes after maximum aggregation: 13272
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 43311
Unique aggregates announced from the LACNIC address blocks: 19799
LACNIC Region origin ASes present in the Internet Routing Table: 3425
LACNIC Prefixes per ASN: 12.65
LACNIC Region origin ASes announcing only one prefix: 1308
LACNIC Region transit ASes present in the Internet Routing Table: 717
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2631
Number of LACNIC addresses announced to Internet: 96736320
Equivalent to 5 /8s, 196 /16s and 20 /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: 11147
Total AfriNIC prefixes after maximum aggregation: 2470
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 13942
Unique aggregates announced from the AfriNIC address blocks: 5393
AfriNIC Region origin ASes present in the Internet Routing Table: 288
AfriNIC Prefixes per ASN: 48.41
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 76
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 150
Number of AfriNIC addresses announced to Internet: 45758976
Equivalent to 2 /8s, 186 /16s and 58 /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 10894 8758 99 CHINAMOBILE-CN China Mobile Communication
56046 2102 811 188 CMNET-JIANGSU-AP China Mobile communicati
56041 1634 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1481 192 50 CMNET-HUNAN-AP China Mobile communication
24547 867 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 778 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 605 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 513 848 135 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 462 8751 151 GIGAINFRA SoftBank Corp., JP
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 13687 40939 5227 AMAZON-02, US
22773 3345 3016 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2795 212 1707 USDA-1, US
36352 2556 210 1129 AS-COLOCROSSING, US
367 2420 3139 1156 DNIC-ASBLK-00306-00371, US
7018 1989 22873 1466 ATT-INTERNET4, US
6167 1903 3929 507 CELLCO-PART, US
11776 1900 259 214 ATLANTICBB-JOHNSTOWN, US
209 1659 4889 270 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 1169 91 956 AKAMAI-ASN1, NL
3257 1001 2081 782 GTT-BACKBONE GTT, US
3215 887 4818 291 France Telecom - Orange, FR
25019 810 1301 129 SAUDINETSTC-AS, SA
8452 782 1841 16 TE-AS TE-AS, EG
34984 677 73 410 TELLCOM-AS, TR
212238 631 45 557 CDNEXT, GB
8376 571 53 22 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
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 7382 1995 942 UNINET, MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
10620 1669 243 1209 Telmex Colombia S.A., CO
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1200 371 22 Telefonica del Peru S.A.A., PE
26615 1035 2503 52 TIM SA, BR
18881 884 1127 31 TELEFONICA BRASIL S.A, BR
28006 648 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 627 90 33 ENTEL CHILE S.A., CL
6503 532 346 131 Axtel, S.A.B. de C.V., MX
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 1463 389 16 LINKdotNET-AS, EG
29571 1109 100 73 ORANGE-COTE-IVOIRE, CI
24835 1062 476 108 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36992 604 1228 124 ETISALAT-MISR, EG
36935 595 127 172 Vodafone-, EG
36914 562 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 456 204 330 MT-MPLS, MA
2018 374 318 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 13687 40939 5227 AMAZON-02, US
9808 10894 8758 99 CHINAMOBILE-CN China Mobile Communication
8151 7382 1995 942 UNINET, MX
22773 3345 3016 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2795 212 1707 USDA-1, US
36352 2556 210 1129 AS-COLOCROSSING, US
367 2420 3139 1156 DNIC-ASBLK-00306-00371, US
56046 2102 811 188 CMNET-JIANGSU-AP China Mobile communicati
11830 1990 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 10894 10795 CHINAMOBILE-CN China Mobile Communications Grou
8151 7382 6440 UNINET, MX
22773 3345 3178 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1990 1926 Instituto Costarricense de Electricidad y Telec
56046 2102 1914 CMNET-JIANGSU-AP China Mobile communications co
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1900 1686 ATLANTICBB-JOHNSTOWN, US
56041 1634 1544 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1463 1447 LINKdotNET-AS, EG
56047 1481 1431 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
53775 UNALLOCATED 8.20.88.0/24 3356 LEVEL3, US
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, 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
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
41.77.64.0/21 Origin: 37320 RESERVED, ZZ
41.77.64.0/21 Transit: 29614 GHANATEL-AS, GH
41.77.208.0/22 Origin: 37475 RESERVED, ZZ
41.77.208.0/22 Transit: 15964 CAMNET-AS, CM
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 /12:151
/13:207 /14:572 /15:1097 /16:7625 /17:3437 /18:4213
/19:7583 /20:12588 /21:15158 /22:27353 /23:27875 /24:154552
/25:62 /26:81 /27:33 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3990 7382 UNINET, MX
22773 2497 3345 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2371 13687 AMAZON-02, US
11830 1693 1990 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1031 2556 AS-COLOCROSSING, US
19901 989 1289 BRSPD-PUBLIC, US
209 964 1659 CENTURYLINK-US-LEGACY-QWEST, US
10620 964 1669 Telmex Colombia S.A., CO
11776 883 1900 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 2:456 3:815 4:5 5:801 6:149
7:5 8:669 11:171 12:971 13:398 14:114
15:304 16:247 17:4 18:890 20:187 21:4
22:188 23:2621 24:703 27:21 29:19 31:553
32:9 33:1 34:10 35:180 36:1907 37:844
38:1972 39:550 40:55 41:993 42:21 43:191
44:35 45:3532 46:989 47:93 49:19 50:367
51:387 52:1398 54:322 55:1090 56:11 57:22
58:16 59:30 60:16 61:75 62:553 63:747
64:1992 65:1080 66:1540 67:992 68:401 69:1150
70:475 71:194 72:650 74:933 75:321 76:249
77:484 78:355 79:292 80:305 81:374 82:725
83:215 84:351 85:422 86:243 87:201 88:298
89:706 90:104 91:1001 92:645 93:497 94:928
95:678 96:291 97:53 98:465 99:191 100:36
101:21 102:336 103:1195 104:1667 105:214 106:3
107:1570 108:548 109:404 110:36 111:1920 112:522
113:35 114:41 115:24 116:56 117:1043 118:67
119:85 120:1297 121:43 122:67 123:78 124:61
125:25 128:491 129:396 130:670 131:927 132:558
133:211 134:449 135:128 136:603 137:505 138:826
139:425 140:707 141:360 142:1030 143:696 144:427
145:121 146:685 147:502 148:895 149:766 150:217
151:641 152:486 153:130 154:1183 155:867 156:1034
157:373 158:553 159:742 160:862 161:643 162:1030
163:419 164:712 165:532 166:799 167:648 168:1125
169:159 170:1528 171:126 172:1358 173:809 174:287
175:68 176:796 177:831 178:520 179:676 180:40
181:1753 182:25 183:972 184:453 185:3526 186:2058
187:1474 188:816 189:1806 190:4115 191:453 192:5192
193:1909 194:1243 195:935 196:673 197:1606 198:2761
199:4944 200:3622 201:3311 202:950 203:696 204:2157
205:1732 206:1536 207:1564 208:1476 209:1948 210:296
211:426 212:1027 213:750 214:936 215:37 216:2564
217:418 218:526 219:18 220:28 221:390 222:24
223:890
End of report
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