[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 7 20:16:31 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 07 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: 264167
Prefixes after maximum aggregation (per Origin AS): 115831
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135520
Number of IPv4 prefixes with a valid ROA: 118771
Number of IPv4 prefixes with an invalid ROA: 44
Number of IPv4 prefixes with no ROA: 145352
Total ASes present in the Internet Routing Table: 19895
Prefixes per ASN: 13.28
Origin-only ASes present in the Internet Routing Table: 17178
Origin ASes announcing only one prefix: 7776
Transit ASes present in the Internet Routing Table: 2717
Transit-only ASes present in the Internet Routing Table: 710
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: 310
Number of instances of unregistered ASNs: 342
Number of 32-bit ASNs allocated by the RIRs: 46622
Number of 32-bit ASNs visible in the Routing Table: 7611
Prefixes from 32-bit ASNs in the Routing Table: 28580
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: 105
Number of addresses announced to Internet: 1558002653
Equivalent to 92 /8s, 221 /16s and 59 /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: 83689
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31911
Total APNIC prefixes after maximum aggregation: 7125
APNIC Deaggregation factor: 4.48
Prefixes being announced from the APNIC address blocks: 30990
Unique aggregates announced from the APNIC address blocks: 7391
APNIC Region origin ASes present in the Internet Routing Table: 1176
APNIC Prefixes per ASN: 26.35
APNIC Region origin ASes announcing only one prefix: 455
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: 547
Number of APNIC addresses announced to Internet: 166406252
Equivalent to 9 /8s, 235 /16s and 40 /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: 126039
Total ARIN prefixes after maximum aggregation: 65982
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 123342
Unique aggregates announced from the ARIN address blocks: 66585
ARIN Region origin ASes present in the Internet Routing Table: 9358
ARIN Prefixes per ASN: 13.18
ARIN Region origin ASes announcing only one prefix: 3907
ARIN Region transit ASes present in the Internet Routing Table: 869
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: 2197
Number of ARIN addresses announced to Internet: 961381857
Equivalent to 57 /8s, 77 /16s and 133 /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: 49733
Total RIPE prefixes after maximum aggregation: 26610
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 51638
Unique aggregates announced from the RIPE address blocks: 37363
RIPE Region origin ASes present in the Internet Routing Table: 4624
RIPE Prefixes per ASN: 11.17
RIPE Region origin ASes announcing only one prefix: 1934
RIPE Region transit ASes present in the Internet Routing Table: 693
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: 1910
Number of RIPE addresses announced to Internet: 286165072
Equivalent to 17 /8s, 14 /16s and 136 /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: 44995
Total LACNIC prefixes after maximum aggregation: 13524
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 44124
Unique aggregates announced from the LACNIC address blocks: 20211
LACNIC Region origin ASes present in the Internet Routing Table: 3617
LACNIC Prefixes per ASN: 12.20
LACNIC Region origin ASes announcing only one prefix: 1371
LACNIC Region transit ASes present in the Internet Routing Table: 756
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: 2802
Number of LACNIC addresses announced to Internet: 97194560
Equivalent to 5 /8s, 203 /16s and 18 /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: 11179
Total AfriNIC prefixes after maximum aggregation: 2384
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 13968
Unique aggregates announced from the AfriNIC address blocks: 3866
AfriNIC Region origin ASes present in the Internet Routing Table: 287
AfriNIC Prefixes per ASN: 48.67
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 74
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 155
Number of AfriNIC addresses announced to Internet: 46811648
Equivalent to 2 /8s, 202 /16s and 74 /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 10879 8756 96 CHINAMOBILE-CN China Mobile Communication
56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati
56041 1632 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 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 13627 40954 5205 AMAZON-02, US
22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2786 212 1705 USDA-1, US
36352 2557 210 1125 AS-COLOCROSSING, US
367 2440 2909 1172 DNIC-ASBLK-00306-00371, US
7018 2060 22881 1514 ATT-INTERNET4, US
11776 1900 259 214 ATLANTICBB-JOHNSTOWN, US
6167 1896 3905 505 CELLCO-PART, 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 782 GTT-BACKBONE GTT, US
3215 894 4818 289 France Telecom - Orange, FR
25019 817 1301 129 SAUDINETSTC-AS, SA
8452 791 1841 16 TE-AS TE-AS, EG
34984 671 73 406 TELLCOM-AS, TR
212238 627 45 553 CDNEXT, GB
203214 608 45 396 HULUMTELE, IQ
8376 574 53 21 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 7410 2004 955 UNINET, MX
11830 1991 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 1198 371 22 Telefonica del Peru S.A.A., PE
26615 1034 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
29571 1153 100 74 ORANGE-COTE-IVOIRE, CI
24835 1053 535 35 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36992 604 1228 124 ETISALAT-MISR, EG
36935 577 122 154 Vodafone-, EG
36914 558 82 3 KENET-AS, KE
36903 480 223 338 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 13627 40954 5205 AMAZON-02, US
9808 10879 8756 96 CHINAMOBILE-CN China Mobile Communication
8151 7410 2004 955 UNINET, MX
22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2786 212 1705 USDA-1, US
36352 2557 210 1125 AS-COLOCROSSING, US
367 2440 2909 1172 DNIC-ASBLK-00306-00371, US
7018 2060 22881 1514 ATT-INTERNET4, US
56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati
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 10879 10783 CHINAMOBILE-CN China Mobile Communications Grou
8151 7410 6455 UNINET, MX
22773 3346 3180 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
56046 2050 1862 CMNET-JIANGSU-AP China Mobile communications co
11776 1900 1686 ATLANTICBB-JOHNSTOWN, US
56041 1632 1542 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1463 1447 LINKdotNET-AS, EG
56047 1484 1434 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
/13:210 /14:573 /15:1102 /16:7636 /17:3433 /18:4214
/19:7598 /20:12457 /21:15234 /22:27471 /23:27982 /24:155791
/25:62 /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 3991 7410 UNINET, MX
22773 2498 3346 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2382 13627 AMAZON-02, US
11830 1694 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1035 2557 AS-COLOCROSSING, US
19901 979 1273 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 2:461 3:803 4:5 5:795 6:155
7:5 8:669 11:171 12:993 13:382 14:115
15:306 16:247 17:6 18:888 20:187 21:4
22:188 23:2603 24:642 27:22 29:19 31:532
32:9 33:1 34:10 35:181 36:1864 37:1022
38:1956 39:552 40:63 41:989 42:21 43:213
44:34 45:3596 46:985 47:81 49:19 50:348
51:387 52:1399 54:317 55:1084 56:11 57:19
58:16 59:30 60:16 61:75 62:544 63:749
64:1976 65:1089 66:1531 67:995 68:402 69:1130
70:476 71:198 72:719 74:942 75:320 76:248
77:486 78:360 79:289 80:299 81:371 82:738
83:233 84:339 85:439 86:245 87:209 88:296
89:821 90:104 91:941 92:636 93:490 94:916
95:658 96:289 97:53 98:458 99:190 100:36
101:17 102:340 103:1205 104:1664 105:207 106:3
107:1555 108:555 109:401 110:35 111:1922 112:521
113:39 114:40 115:24 116:57 117:1041 118:58
119:85 120:1272 121:43 122:67 123:76 124:61
125:25 128:496 129:398 130:683 131:937 132:570
133:211 134:494 135:112 136:598 137:504 138:899
139:438 140:703 141:462 142:1033 143:693 144:428
145:147 146:684 147:517 148:899 149:794 150:355
151:639 152:481 153:130 154:1184 155:862 156:1075
157:365 158:552 159:726 160:872 161:624 162:988
163:482 164:718 165:779 166:770 167:653 168:1144
169:159 170:1589 171:126 172:1379 173:808 174:284
175:62 176:781 177:880 178:517 179:693 180:41
181:1777 182:27 183:966 184:452 185:3535 186:2072
187:1519 188:839 189:1821 190:4127 191:464 192:5199
193:1893 194:1247 195:934 196:687 197:1603 198:2746
199:4944 200:3624 201:3331 202:955 203:710 204:2165
205:1953 206:1519 207:1526 208:1448 209:1890 210:294
211:424 212:1029 213:772 214:983 215:42 216:2550
217:423 218:527 219:18 220:28 221:378 222:24
223:865
End of report
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