[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 10 20:16:28 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 10 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: 264193
Prefixes after maximum aggregation (per Origin AS): 115803
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 136617
Number of IPv4 prefixes with a valid ROA: 119688
Number of IPv4 prefixes with an invalid ROA: 43
Number of IPv4 prefixes with no ROA: 144462
Total ASes present in the Internet Routing Table: 20028
Prefixes per ASN: 13.19
Origin-only ASes present in the Internet Routing Table: 17268
Origin ASes announcing only one prefix: 7804
Transit ASes present in the Internet Routing Table: 2760
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: 30
Max AS path prepend of ASN (265171) 25
Prefixes from unregistered ASNs in the Routing Table: 308
Number of instances of unregistered ASNs: 340
Number of 32-bit ASNs allocated by the RIRs: 46631
Number of 32-bit ASNs visible in the Routing Table: 7728
Prefixes from 32-bit ASNs in the Routing Table: 29159
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: 106
Number of addresses announced to Internet: 1557597661
Equivalent to 92 /8s, 215 /16s and 13 /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: 83848
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31978
Total APNIC prefixes after maximum aggregation: 7139
APNIC Deaggregation factor: 4.48
Prefixes being announced from the APNIC address blocks: 31027
Unique aggregates announced from the APNIC address blocks: 7380
APNIC Region origin ASes present in the Internet Routing Table: 1188
APNIC Prefixes per ASN: 26.12
APNIC Region origin ASes announcing only one prefix: 463
APNIC Region transit ASes present in the Internet Routing Table: 194
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: 166417260
Equivalent to 9 /8s, 235 /16s and 83 /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: 125069
Total ARIN prefixes after maximum aggregation: 65692
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 122462
Unique aggregates announced from the ARIN address blocks: 66219
ARIN Region origin ASes present in the Internet Routing Table: 9326
ARIN Prefixes per ASN: 13.13
ARIN Region origin ASes announcing only one prefix: 3884
ARIN Region transit ASes present in the Internet Routing Table: 865
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: 2194
Number of ARIN addresses announced to Internet: 960832481
Equivalent to 57 /8s, 69 /16s and 35 /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: 50222
Total RIPE prefixes after maximum aggregation: 26751
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 52053
Unique aggregates announced from the RIPE address blocks: 37789
RIPE Region origin ASes present in the Internet Routing Table: 4644
RIPE Prefixes per ASN: 11.21
RIPE Region origin ASes announcing only one prefix: 1950
RIPE Region transit ASes present in the Internet Routing Table: 700
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: 1918
Number of RIPE addresses announced to Internet: 286525264
Equivalent to 17 /8s, 20 /16s and 7 /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: 45727
Total LACNIC prefixes after maximum aggregation: 13648
LACNIC Deaggregation factor: 3.35
Prefixes being announced from the LACNIC address blocks: 44828
Unique aggregates announced from the LACNIC address blocks: 20318
LACNIC Region origin ASes present in the Internet Routing Table: 3725
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 1397
LACNIC Region transit ASes present in the Internet Routing Table: 790
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: 2904
Number of LACNIC addresses announced to Internet: 97738304
Equivalent to 5 /8s, 211 /16s and 94 /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: 10889
Total AfriNIC prefixes after maximum aggregation: 2369
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 13717
Unique aggregates announced from the AfriNIC address blocks: 4806
AfriNIC Region origin ASes present in the Internet Routing Table: 288
AfriNIC Prefixes per ASN: 47.63
AfriNIC Region origin ASes announcing only one prefix: 110
AfriNIC Region transit ASes present in the Internet Routing Table: 73
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 156
Number of AfriNIC addresses announced to Internet: 46040832
Equivalent to 2 /8s, 190 /16s and 135 /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 10891 8758 99 CHINAMOBILE-CN China Mobile Communication
56046 2080 811 188 CMNET-JIANGSU-AP China Mobile communicati
56041 1632 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 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 480 804 160 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 464 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 13659 40937 5229 AMAZON-02, US
22773 3341 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2785 212 1710 USDA-1, US
36352 2553 209 1127 AS-COLOCROSSING, US
367 2445 2911 1173 DNIC-ASBLK-00306-00371, US
7018 2034 22862 1493 ATT-INTERNET4, US
6167 1903 3929 507 CELLCO-PART, US
11776 1900 259 214 ATLANTICBB-JOHNSTOWN, US
209 1660 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 1153 90 941 AKAMAI-ASN1, NL
3257 1000 2081 781 GTT-BACKBONE GTT, US
3215 891 4818 291 France Telecom - Orange, FR
25019 812 1301 129 SAUDINETSTC-AS, SA
8452 793 1841 16 TE-AS TE-AS, EG
34984 671 73 406 TELLCOM-AS, TR
212238 628 45 554 CDNEXT, GB
8376 574 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 7684 2089 871 UNINET, MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
10620 1676 243 1214 Telmex Colombia S.A., CO
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 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 647 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 627 90 33 ENTEL CHILE S.A., CL
26599 555 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 1463 389 16 LINKdotNET-AS, EG
29571 1162 101 73 ORANGE-COTE-IVOIRE, CI
20011 980 185 285 INTERNET-SOLUTIONS, ZA
24835 843 535 35 RAYA-AS, EG
36992 604 1228 124 ETISALAT-MISR, EG
36914 562 82 3 KENET-AS, KE
36935 535 116 145 Vodafone-, EG
36903 495 231 340 MT-MPLS, MA
37069 469 1046 15 MOBINIL, EG
2018 373 318 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 13659 40937 5229 AMAZON-02, US
9808 10891 8758 99 CHINAMOBILE-CN China Mobile Communication
8151 7684 2089 871 UNINET, MX
22773 3341 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2785 212 1710 USDA-1, US
36352 2553 209 1127 AS-COLOCROSSING, US
367 2445 2911 1173 DNIC-ASBLK-00306-00371, US
56046 2080 811 188 CMNET-JIANGSU-AP China Mobile communicati
7018 2034 22862 1493 ATT-INTERNET4, US
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 10891 10792 CHINAMOBILE-CN China Mobile Communications Grou
8151 7684 6813 UNINET, MX
22773 3341 3175 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1990 1926 Instituto Costarricense de Electricidad y Telec
56046 2080 1892 CMNET-JIANGSU-AP China Mobile communications co
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1900 1686 ATLANTICBB-JOHNSTOWN, US
56041 1632 1542 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1463 1447 LINKdotNET-AS, EG
56047 1483 1433 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
41.78.60.0/22 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
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 /11:41 /12:150
/13:208 /14:572 /15:1102 /16:7627 /17:3439 /18:4225
/19:7648 /20:12564 /21:15416 /22:27272 /23:28075 /24:155578
/25:62 /26:82 /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 3990 7684 UNINET, MX
22773 2493 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2371 13659 AMAZON-02, US
11830 1693 1990 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1031 2553 AS-COLOCROSSING, US
19901 989 1288 BRSPD-PUBLIC, US
10620 971 1676 Telmex Colombia S.A., CO
209 964 1660 CENTURYLINK-US-LEGACY-QWEST, US
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 2:457 3:809 4:5 5:800 6:149
7:5 8:671 11:171 12:987 13:395 14:115
15:306 16:247 17:5 18:888 20:187 21:4
22:188 23:2603 24:638 27:22 29:19 31:581
32:9 33:1 34:10 35:181 36:1885 37:973
38:1961 39:552 40:63 41:982 42:21 43:189
44:36 45:3650 46:992 47:81 49:19 50:349
51:387 52:1397 54:317 55:1086 56:11 57:20
58:16 59:30 60:16 61:75 62:539 63:748
64:1969 65:1085 66:1533 67:990 68:402 69:1127
70:475 71:197 72:649 74:938 75:320 76:248
77:483 78:358 79:294 80:302 81:383 82:744
83:241 84:339 85:421 86:246 87:211 88:298
89:837 90:104 91:955 92:634 93:512 94:926
95:664 96:289 97:53 98:458 99:191 100:36
101:21 102:337 103:1220 104:1661 105:214 106:3
107:1563 108:549 109:407 110:67 111:1922 112:522
113:38 114:41 115:24 116:57 117:1037 118:58
119:109 120:1295 121:43 122:67 123:76 124:61
125:25 128:486 129:396 130:674 131:938 132:573
133:211 134:451 135:112 136:602 137:507 138:854
139:425 140:708 141:471 142:1032 143:699 144:428
145:149 146:685 147:516 148:908 149:802 150:214
151:637 152:480 153:130 154:1185 155:867 156:1077
157:372 158:557 159:734 160:870 161:661 162:1015
163:425 164:718 165:524 166:795 167:666 168:1172
169:158 170:1590 171:126 172:1369 173:798 174:284
175:61 176:786 177:899 178:514 179:727 180:74
181:1769 182:27 183:974 184:454 185:3554 186:2088
187:1574 188:836 189:1850 190:4131 191:466 192:5189
193:1908 194:1253 195:932 196:678 197:1557 198:2776
199:4938 200:3640 201:3261 202:953 203:705 204:2163
205:1723 206:1589 207:1550 208:1452 209:1918 210:295
211:424 212:1039 213:775 214:941 215:37 216:2565
217:425 218:528 219:18 220:28 221:389 222:24
223:874
End of report
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