[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jun 2 20:16:29 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 02 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: 264827
Prefixes after maximum aggregation (per Origin AS): 116313
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 136153
Number of IPv4 prefixes with a valid ROA: 119372
Number of IPv4 prefixes with an invalid ROA: 42
Number of IPv4 prefixes with no ROA: 145413
Total ASes present in the Internet Routing Table: 20001
Prefixes per ASN: 13.24
Origin-only ASes present in the Internet Routing Table: 17259
Origin ASes announcing only one prefix: 7828
Transit ASes present in the Internet Routing Table: 2742
Transit-only ASes present in the Internet Routing Table: 713
Paths with bogon ASNs present in the IPv4 Routing Table: 9
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: 313
Number of instances of unregistered ASNs: 317
Number of 32-bit ASNs allocated by the RIRs: 46555
Number of 32-bit ASNs visible in the Routing Table: 7686
Prefixes from 32-bit ASNs in the Routing Table: 28695
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 109
Number of addresses announced to Internet: 1557602781
Equivalent to 92 /8s, 215 /16s and 33 /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: 83236
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32691
Total APNIC prefixes after maximum aggregation: 7489
APNIC Deaggregation factor: 4.37
Prefixes being announced from the APNIC address blocks: 31096
Unique aggregates announced from the APNIC address blocks: 7563
APNIC Region origin ASes present in the Internet Routing Table: 1223
APNIC Prefixes per ASN: 25.43
APNIC Region origin ASes announcing only one prefix: 482
APNIC Region transit ASes present in the Internet Routing Table: 204
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 562
Number of APNIC addresses announced to Internet: 166656876
Equivalent to 9 /8s, 238 /16s and 251 /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: 126197
Total ARIN prefixes after maximum aggregation: 65963
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 123321
Unique aggregates announced from the ARIN address blocks: 66485
ARIN Region origin ASes present in the Internet Routing Table: 9343
ARIN Prefixes per ASN: 13.20
ARIN Region origin ASes announcing only one prefix: 3902
ARIN Region transit ASes present in the Internet Routing Table: 868
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: 2195
Number of ARIN addresses announced to Internet: 960739041
Equivalent to 57 /8s, 67 /16s and 182 /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: 49349
Total RIPE prefixes after maximum aggregation: 26675
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 51192
Unique aggregates announced from the RIPE address blocks: 37409
RIPE Region origin ASes present in the Internet Routing Table: 4617
RIPE Prefixes per ASN: 11.09
RIPE Region origin ASes announcing only one prefix: 1949
RIPE Region transit ASes present in the Internet Routing Table: 692
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: 1899
Number of RIPE addresses announced to Internet: 285906768
Equivalent to 17 /8s, 10 /16s and 151 /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: 45261
Total LACNIC prefixes after maximum aggregation: 13610
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 44390
Unique aggregates announced from the LACNIC address blocks: 20286
LACNIC Region origin ASes present in the Internet Routing Table: 3690
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 1386
LACNIC Region transit ASes present in the Internet Routing Table: 774
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: 2874
Number of LACNIC addresses announced to Internet: 97275456
Equivalent to 5 /8s, 204 /16s and 78 /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: 11016
Total AfriNIC prefixes after maximum aggregation: 2364
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 14719
Unique aggregates announced from the AfriNIC address blocks: 4302
AfriNIC Region origin ASes present in the Internet Routing Table: 289
AfriNIC Prefixes per ASN: 50.93
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: 6.6
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: 46980352
Equivalent to 2 /8s, 204 /16s and 221 /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 1924 811 187 CMNET-JIANGSU-AP China Mobile communicati
56041 1633 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 192 50 CMNET-HUNAN-AP China Mobile communication
24547 864 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
17561 851 54 376 LCS-AS-AP LARUS Limited, HK
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 517 848 138 ALIBABA-CN-NET Alibaba US Technology Co.,
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 13572 40826 5182 AMAZON-02, US
22773 3345 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2767 210 1701 USDA-1, US
36352 2545 209 1122 AS-COLOCROSSING, US
367 2448 2912 1179 DNIC-ASBLK-00306-00371, US
7018 2046 22865 1501 ATT-INTERNET4, US
11776 1900 259 211 ATLANTICBB-JOHNSTOWN, US
6167 1887 3867 499 CELLCO-PART, US
209 1661 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 1176 92 961 AKAMAI-ASN1, NL
3257 989 2078 772 GTT-BACKBONE GTT, US
3215 894 4818 289 France Telecom - Orange, FR
25019 816 1301 129 SAUDINETSTC-AS, SA
8452 791 1841 16 TE-AS TE-AS, EG
34984 676 74 406 TELLCOM-AS, TR
212238 640 47 566 CDNEXT, GB
8376 577 53 21 Jordan Data Communications, JO
203214 576 43 382 HULUMTELE, IQ
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 7412 1989 971 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1902 281 1294 Telmex Colombia S.A., CO
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 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
27651 648 94 35 ENTEL CHILE S.A., CL
28006 647 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 553 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 1479 389 16 LINKdotNET-AS, EG
29571 1136 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
37069 469 1046 15 MOBINIL, EG
36914 465 82 3 KENET-AS, KE
36903 450 203 335 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 13572 40826 5182 AMAZON-02, US
9808 10879 8756 96 CHINAMOBILE-CN China Mobile Communication
8151 7412 1989 971 UNINET, MX
22773 3345 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2767 210 1701 USDA-1, US
36352 2545 209 1122 AS-COLOCROSSING, US
367 2448 2912 1179 DNIC-ASBLK-00306-00371, US
7018 2046 22865 1501 ATT-INTERNET4, US
11830 1991 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 10879 10783 CHINAMOBILE-CN China Mobile Communications Grou
8151 7412 6441 UNINET, MX
22773 3345 3179 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
56046 1924 1737 CMNET-JIANGSU-AP China Mobile communications co
11776 1900 1689 ATLANTICBB-JOHNSTOWN, US
56041 1633 1543 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1479 1463 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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
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
/13:209 /14:573 /15:1101 /16:7634 /17:3439 /18:4211
/19:7602 /20:12511 /21:15252 /22:27617 /23:28076 /24:156133
/25:62 /26:82 /27:36 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3983 7412 UNINET, MX
22773 2496 3345 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2372 13572 AMAZON-02, US
11830 1694 1991 Instituto Costarricense de Electricidad y Telecom., CR
10620 1082 1902 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1034 2545 AS-COLOCROSSING, US
19901 984 1278 BRSPD-PUBLIC, US
209 964 1661 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 2:473 3:797 4:5 5:789 6:155
7:5 8:674 11:171 12:987 13:378 14:114
15:305 16:247 17:6 18:888 20:185 21:4
22:188 23:2565 24:640 27:22 29:19 31:520
32:9 33:1 34:10 35:149 36:1830 37:993
38:1943 39:552 40:62 41:934 42:21 43:213
44:35 45:3730 46:947 47:93 49:20 50:348
51:387 52:1399 54:318 55:1098 56:11 57:19
58:16 59:33 60:16 61:74 62:539 63:751
64:1977 65:1090 66:1548 67:993 68:402 69:1129
70:476 71:198 72:721 74:936 75:320 76:248
77:486 78:356 79:241 80:314 81:377 82:715
83:234 84:336 85:435 86:233 87:207 88:289
89:705 90:104 91:932 92:636 93:486 94:923
95:742 96:289 97:53 98:460 99:182 100:35
101:18 102:353 103:1224 104:1656 105:207 106:3
107:1557 108:553 109:400 110:35 111:1919 112:499
113:39 114:40 115:23 116:62 117:1042 118:62
119:89 120:1265 121:43 122:66 123:76 124:57
125:26 128:493 129:397 130:691 131:951 132:567
133:211 134:495 135:112 136:597 137:508 138:907
139:439 140:699 141:360 142:1029 143:696 144:443
145:136 146:685 147:517 148:875 149:783 150:352
151:639 152:484 153:129 154:1668 155:856 156:1389
157:370 158:553 159:735 160:880 161:635 162:995
163:428 164:717 165:776 166:791 167:652 168:1144
169:163 170:1597 171:122 172:1376 173:796 174:285
175:62 176:779 177:866 178:503 179:709 180:45
181:1811 182:31 183:966 184:453 185:3519 186:2090
187:1462 188:824 189:1764 190:4153 191:463 192:5171
193:1889 194:1228 195:934 196:688 197:1545 198:2750
199:4938 200:3658 201:3301 202:1009 203:741 204:2163
205:1950 206:1531 207:1541 208:1457 209:1889 210:297
211:422 212:1039 213:758 214:986 215:42 216:2544
217:425 218:525 219:18 220:28 221:360 222:31
223:823
End of report
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