[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 11 20:16:26 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 11 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: 263045
Prefixes after maximum aggregation (per Origin AS): 115452
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 136084
Number of IPv4 prefixes with a valid ROA: 119024
Number of IPv4 prefixes with an invalid ROA: 43
Number of IPv4 prefixes with no ROA: 143978
Total ASes present in the Internet Routing Table: 19899
Prefixes per ASN: 13.22
Origin-only ASes present in the Internet Routing Table: 17109
Origin ASes announcing only one prefix: 7784
Transit ASes present in the Internet Routing Table: 2790
Transit-only ASes present in the Internet Routing Table: 802
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: 39
Max AS path prepend of ASN (133647) 32
Prefixes from unregistered ASNs in the Routing Table: 375
Number of instances of unregistered ASNs: 407
Number of 32-bit ASNs allocated by the RIRs: 46620
Number of 32-bit ASNs visible in the Routing Table: 7554
Prefixes from 32-bit ASNs in the Routing Table: 28390
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: 114
Number of addresses announced to Internet: 1556678109
Equivalent to 92 /8s, 201 /16s and 5 /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: 83540
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31961
Total APNIC prefixes after maximum aggregation: 7089
APNIC Deaggregation factor: 4.51
Prefixes being announced from the APNIC address blocks: 30999
Unique aggregates announced from the APNIC address blocks: 7334
APNIC Region origin ASes present in the Internet Routing Table: 1210
APNIC Prefixes per ASN: 25.62
APNIC Region origin ASes announcing only one prefix: 480
APNIC Region transit ASes present in the Internet Routing Table: 211
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 578
Number of APNIC addresses announced to Internet: 166388076
Equivalent to 9 /8s, 234 /16s and 225 /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: 124903
Total ARIN prefixes after maximum aggregation: 65524
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 122404
Unique aggregates announced from the ARIN address blocks: 66118
ARIN Region origin ASes present in the Internet Routing Table: 9309
ARIN Prefixes per ASN: 13.15
ARIN Region origin ASes announcing only one prefix: 3874
ARIN Region transit ASes present in the Internet Routing Table: 879
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: 960914401
Equivalent to 57 /8s, 70 /16s and 99 /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: 50081
Total RIPE prefixes after maximum aggregation: 26742
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 51838
Unique aggregates announced from the RIPE address blocks: 37671
RIPE Region origin ASes present in the Internet Routing Table: 4666
RIPE Prefixes per ASN: 11.11
RIPE Region origin ASes announcing only one prefix: 1969
RIPE Region transit ASes present in the Internet Routing Table: 725
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: 1938
Number of RIPE addresses announced to Internet: 286334288
Equivalent to 17 /8s, 17 /16s and 29 /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: 44542
Total LACNIC prefixes after maximum aggregation: 13375
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 43656
Unique aggregates announced from the LACNIC address blocks: 19966
LACNIC Region origin ASes present in the Internet Routing Table: 3475
LACNIC Prefixes per ASN: 12.56
LACNIC Region origin ASes announcing only one prefix: 1346
LACNIC Region transit ASes present in the Internet Routing Table: 734
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2674
Number of LACNIC addresses announced to Internet: 96933440
Equivalent to 5 /8s, 199 /16s and 22 /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: 11183
Total AfriNIC prefixes after maximum aggregation: 2456
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 14034
Unique aggregates announced from the AfriNIC address blocks: 4883
AfriNIC Region origin ASes present in the Internet Routing Table: 301
AfriNIC Prefixes per ASN: 46.62
AfriNIC Region origin ASes announcing only one prefix: 115
AfriNIC Region transit ASes present in the Internet Routing Table: 78
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: 164
Number of AfriNIC addresses announced to Internet: 46058752
Equivalent to 2 /8s, 190 /16s and 205 /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 513 848 135 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 13699 40940 5243 AMAZON-02, US
22773 3342 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2791 212 1704 USDA-1, US
36352 2554 209 1128 AS-COLOCROSSING, US
367 2424 2899 1163 DNIC-ASBLK-00306-00371, US
7018 2023 22875 1485 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 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 794 1841 16 TE-AS TE-AS, EG
34984 677 73 410 TELLCOM-AS, TR
212238 629 45 555 CDNEXT, GB
51167 568 113 251 CONTABO, DE
8376 566 53 22 Jordan Data Communications, JO
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 7492 2002 957 UNINET, MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
10620 1670 243 1211 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 1027 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 557 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
24835 1079 535 35 RAYA-AS, EG
29571 1021 100 74 ORANGE-COTE-IVOIRE, CI
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36992 604 1228 124 ETISALAT-MISR, EG
36935 596 127 172 Vodafone-, EG
36914 564 82 3 KENET-AS, KE
36903 533 242 367 MT-MPLS, MA
37069 469 1046 15 MOBINIL, EG
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 13699 40940 5243 AMAZON-02, US
9808 10891 8758 99 CHINAMOBILE-CN China Mobile Communication
8151 7492 2002 957 UNINET, MX
22773 3342 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2791 212 1704 USDA-1, US
36352 2554 209 1128 AS-COLOCROSSING, US
367 2424 2899 1163 DNIC-ASBLK-00306-00371, US
56046 2080 811 188 CMNET-JIANGSU-AP China Mobile communicati
7018 2023 22875 1485 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 7492 6535 UNINET, MX
22773 3342 3176 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
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
13342 UNALLOCATED 12.17.5.0/24 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 /15:1101 /16:7627 /17:3444 /18:4215
/19:7604 /20:12485 /21:15295 /22:27329 /23:27851 /24:154849
/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 4015 7492 UNINET, MX
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2377 13699 AMAZON-02, US
11830 1693 1990 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1031 2554 AS-COLOCROSSING, US
19901 989 1288 BRSPD-PUBLIC, US
10620 965 1670 Telmex Colombia S.A., CO
209 964 1659 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)
----------------------------------------------
1:20 2:451 3:813 4:5 5:800 6:149
7:5 8:668 11:171 12:975 13:399 14:114
15:304 16:247 17:4 18:890 20:187 21:4
22:188 23:2600 24:692 27:25 29:19 31:570
32:9 33:1 34:10 35:181 36:1886 37:920
38:1952 39:552 40:63 41:959 42:21 43:192
44:37 45:3545 46:988 47:92 49:19 50:350
51:387 52:1397 54:320 55:1087 56:11 57:22
58:16 59:29 60:16 61:75 62:541 63:746
64:1964 65:1086 66:1535 67:989 68:400 69:1146
70:475 71:197 72:650 74:934 75:320 76:248
77:486 78:364 79:295 80:300 81:380 82:731
83:238 84:340 85:424 86:241 87:209 88:299
89:840 90:106 91:941 92:632 93:505 94:924
95:663 96:290 97:53 98:458 99:191 100:36
101:22 102:348 103:1200 104:1663 105:225 106:3
107:1567 108:544 109:403 110:67 111:1922 112:522
113:34 114:41 115:24 116:56 117:1040 118:59
119:105 120:1295 121:43 122:67 123:78 124:61
125:25 128:484 129:413 130:680 131:915 132:554
133:211 134:453 135:112 136:601 137:506 138:830
139:425 140:708 141:471 142:1030 143:697 144:429
145:119 146:688 147:510 148:905 149:775 150:213
151:644 152:485 153:130 154:1165 155:865 156:1040
157:379 158:554 159:733 160:811 161:661 162:1010
163:421 164:712 165:525 166:797 167:648 168:1156
169:161 170:1529 171:127 172:1369 173:809 174:282
175:62 176:772 177:857 178:515 179:668 180:73
181:1764 182:25 183:974 184:451 185:3527 186:2075
187:1494 188:832 189:1820 190:4119 191:461 192:5184
193:1900 194:1249 195:924 196:680 197:1600 198:2746
199:4943 200:3633 201:3324 202:946 203:706 204:2158
205:1723 206:1576 207:1546 208:1452 209:1950 210:296
211:425 212:1039 213:774 214:940 215:37 216:2566
217:413 218:528 219:18 220:28 221:388 222:24
223:874
End of report
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