[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 22 20:16:37 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 22 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: 262073
Prefixes after maximum aggregation (per Origin AS): 115416
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 135602
Number of IPv4 prefixes with a valid ROA: 118157
Number of IPv4 prefixes with an invalid ROA: 42
Number of IPv4 prefixes with no ROA: 143874
Total ASes present in the Internet Routing Table: 19636
Prefixes per ASN: 13.35
Origin-only ASes present in the Internet Routing Table: 16972
Origin ASes announcing only one prefix: 7715
Transit ASes present in the Internet Routing Table: 2664
Transit-only ASes present in the Internet Routing Table: 687
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: 41
Max AS path prepend of ASN (265171) 25
Prefixes from unregistered ASNs in the Routing Table: 371
Number of instances of unregistered ASNs: 403
Number of 32-bit ASNs allocated by the RIRs: 46701
Number of 32-bit ASNs visible in the Routing Table: 7360
Prefixes from 32-bit ASNs in the Routing Table: 28140
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: 1556387589
Equivalent to 92 /8s, 196 /16s and 151 /24s
Percentage of available address space announced: 42.0
Percentage of allocated address space announced: 42.0
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: 83149
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32325
Total APNIC prefixes after maximum aggregation: 7154
APNIC Deaggregation factor: 4.52
Prefixes being announced from the APNIC address blocks: 31366
Unique aggregates announced from the APNIC address blocks: 7441
APNIC Region origin ASes present in the Internet Routing Table: 1192
APNIC Prefixes per ASN: 26.31
APNIC Region origin ASes announcing only one prefix: 466
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: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 553
Number of APNIC addresses announced to Internet: 166540652
Equivalent to 9 /8s, 237 /16s and 53 /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: 124970
Total ARIN prefixes after maximum aggregation: 65956
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 122757
Unique aggregates announced from the ARIN address blocks: 66485
ARIN Region origin ASes present in the Internet Routing Table: 9315
ARIN Prefixes per ASN: 13.18
ARIN Region origin ASes announcing only one prefix: 3880
ARIN Region transit ASes present in the Internet Routing Table: 874
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: 2199
Number of ARIN addresses announced to Internet: 960641033
Equivalent to 57 /8s, 66 /16s and 56 /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: 49484
Total RIPE prefixes after maximum aggregation: 26677
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 51342
Unique aggregates announced from the RIPE address blocks: 37460
RIPE Region origin ASes present in the Internet Routing Table: 4664
RIPE Prefixes per ASN: 11.01
RIPE Region origin ASes announcing only one prefix: 1962
RIPE Region transit ASes present in the Internet Routing Table: 689
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 41
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1916
Number of RIPE addresses announced to Internet: 286017616
Equivalent to 17 /8s, 12 /16s and 72 /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: 44240
Total LACNIC prefixes after maximum aggregation: 13099
LACNIC Deaggregation factor: 3.38
Prefixes being announced from the LACNIC address blocks: 43353
Unique aggregates announced from the LACNIC address blocks: 19594
LACNIC Region origin ASes present in the Internet Routing Table: 3360
LACNIC Prefixes per ASN: 12.90
LACNIC Region origin ASes announcing only one prefix: 1298
LACNIC Region transit ASes present in the Internet Routing Table: 689
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2538
Number of LACNIC addresses announced to Internet: 96757312
Equivalent to 5 /8s, 196 /16s and 102 /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: 10683
Total AfriNIC prefixes after maximum aggregation: 2268
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 13147
Unique aggregates announced from the AfriNIC address blocks: 4515
AfriNIC Region origin ASes present in the Internet Routing Table: 287
AfriNIC Prefixes per ASN: 45.81
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: 6.4
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 154
Number of AfriNIC addresses announced to Internet: 46384640
Equivalent to 2 /8s, 195 /16s and 198 /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 11040 8759 104 CHINAMOBILE-CN China Mobile Communication
56046 2132 811 188 CMNET-JIANGSU-AP China Mobile communicati
56041 1670 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1482 192 50 CMNET-HUNAN-AP China Mobile communication
24547 868 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 608 2170 465 SINET-AS Research Organization of Informa
45102 530 856 135 ALIBABA-CN-NET Alibaba US Technology Co.,
24445 523 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
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 13600 40954 5214 AMAZON-02, US
22773 3346 3015 163 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
4155 2796 212 1718 USDA-1, US
36352 2558 210 1131 AS-COLOCROSSING, US
367 2423 3163 1153 DNIC-ASBLK-00306-00371, US
7018 1949 22869 1453 ATT-INTERNET4, US
6167 1910 3953 511 CELLCO-PART, US
11776 1901 259 214 ATLANTICBB-JOHNSTOWN, US
209 1658 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 1174 91 960 AKAMAI-ASN1, NL
3257 1023 2081 792 GTT-BACKBONE GTT, US
3215 887 4818 291 France Telecom - Orange, FR
25019 817 1301 129 SAUDINETSTC-AS, SA
8452 787 1841 16 TE-AS TE-AS, EG
34984 678 74 412 TELLCOM-AS, TR
212238 648 47 573 CDNEXT, GB
8376 575 53 21 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 7590 2030 923 UNINET, MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
10620 1672 243 1210 Telmex Colombia S.A., CO
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
26615 1047 2503 52 TIM SA, BR
18881 885 1127 31 TELEFONICA BRASIL S.A, BR
28006 648 77 298 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 627 90 33 ENTEL CHILE S.A., CL
6503 532 346 132 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 1452 389 16 LINKdotNET-AS, EG
29571 1159 101 74 ORANGE-COTE-IVOIRE, CI
24835 1063 476 108 RAYA-AS, EG
36935 609 521 43 Vodafone-, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 561 82 3 KENET-AS, KE
36992 551 1192 124 ETISALAT-MISR, EG
37069 451 1046 15 MOBINIL, EG
36903 447 202 330 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 13600 40954 5214 AMAZON-02, US
9808 11040 8759 104 CHINAMOBILE-CN China Mobile Communication
8151 7590 2030 923 UNINET, MX
22773 3346 3015 163 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
4155 2796 212 1718 USDA-1, US
36352 2558 210 1131 AS-COLOCROSSING, US
367 2423 3163 1153 DNIC-ASBLK-00306-00371, US
56046 2132 811 188 CMNET-JIANGSU-AP China Mobile communicati
11830 1987 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 11040 10936 CHINAMOBILE-CN China Mobile Communications Grou
8151 7590 6667 UNINET, MX
22773 3346 3183 ASN-CXA-ALL-CCI-22773-RDC, US
56046 2132 1944 CMNET-JIANGSU-AP China Mobile communications co
11830 1987 1923 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1901 1687 ATLANTICBB-JOHNSTOWN, US
56041 1670 1580 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1452 1436 LINKdotNET-AS, EG
56047 1482 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
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
41.204.226.0/24 Origin: 36911 RESERVED, ZZ
41.204.226.0/24 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 /11:42 /12:151
/13:207 /14:571 /15:1091 /16:7610 /17:3428 /18:4181
/19:7594 /20:12507 /21:15314 /22:27203 /23:27781 /24:154115
/25:65 /26:81 /27:34 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 4001 7590 UNINET, MX
22773 2501 3346 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13600 AMAZON-02, US
11830 1691 1987 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1034 2558 AS-COLOCROSSING, US
19901 1007 1310 BRSPD-PUBLIC, US
10620 967 1672 Telmex Colombia S.A., CO
209 963 1658 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1901 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:18 2:456 3:817 4:5 5:806 6:149
7:5 8:663 11:171 12:971 13:391 14:115
15:306 16:247 17:4 18:888 20:187 21:4
22:188 23:2609 24:705 27:24 29:19 31:515
32:9 33:1 34:10 35:180 36:1952 37:875
38:1968 39:550 40:63 41:986 42:21 43:220
44:36 45:3521 46:972 47:96 49:19 50:355
51:387 52:1390 54:318 55:1009 56:11 57:22
58:16 59:30 60:16 61:83 62:525 63:746
64:1978 65:1095 66:1530 67:1047 68:399 69:1163
70:467 71:193 72:651 74:929 75:318 76:254
77:488 78:372 79:248 80:292 81:365 82:704
83:206 84:341 85:432 86:244 87:202 88:313
89:718 90:104 91:957 92:643 93:486 94:925
95:690 96:289 97:53 98:530 99:179 100:42
101:16 102:333 103:1212 104:1677 105:213 107:1564
108:550 109:409 110:39 111:1930 112:525 113:35
114:44 115:24 116:56 117:1045 118:57 119:82
120:1352 121:43 122:67 123:61 124:61 125:25
128:480 129:396 130:685 131:962 132:558 133:213
134:460 135:128 136:605 137:506 138:837 139:428
140:707 141:363 142:1030 143:702 144:427 145:120
146:687 147:511 148:908 149:789 150:204 151:640
152:475 153:141 154:961 155:866 156:867 157:376
158:563 159:742 160:882 161:641 162:1035 163:424
164:721 165:525 166:796 167:660 168:1120 169:158
170:1538 171:111 172:1356 173:813 174:360 175:68
176:778 177:809 178:503 179:684 180:40 181:1780
182:25 183:997 184:454 185:3582 186:2046 187:1552
188:850 189:1865 190:4110 191:443 192:5195 193:1898
194:1240 195:934 196:696 197:1182 198:2729 199:4951
200:3589 201:3216 202:944 203:725 204:2162 205:1756
206:1530 207:1546 208:1482 209:1969 210:297 211:428
212:1011 213:774 214:939 215:37 216:2566 217:446
218:527 219:19 220:28 221:395 222:24 223:900
End of report
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