[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 21 20:16:39 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 21 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: 261885
Prefixes after maximum aggregation (per Origin AS): 115369
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 135559
Number of IPv4 prefixes with a valid ROA: 118042
Number of IPv4 prefixes with an invalid ROA: 42
Number of IPv4 prefixes with no ROA: 143801
Total ASes present in the Internet Routing Table: 19550
Prefixes per ASN: 13.40
Origin-only ASes present in the Internet Routing Table: 16898
Origin ASes announcing only one prefix: 7679
Transit ASes present in the Internet Routing Table: 2652
Transit-only ASes present in the Internet Routing Table: 680
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: 371
Number of instances of unregistered ASNs: 403
Number of 32-bit ASNs allocated by the RIRs: 46694
Number of 32-bit ASNs visible in the Routing Table: 7327
Prefixes from 32-bit ASNs in the Routing Table: 28118
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: 1555975173
Equivalent to 92 /8s, 190 /16s and 76 /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: 83124
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32380
Total APNIC prefixes after maximum aggregation: 7182
APNIC Deaggregation factor: 4.51
Prefixes being announced from the APNIC address blocks: 31391
Unique aggregates announced from the APNIC address blocks: 7465
APNIC Region origin ASes present in the Internet Routing Table: 1183
APNIC Prefixes per ASN: 26.54
APNIC Region origin ASes announcing only one prefix: 459
APNIC Region transit ASes present in the Internet Routing Table: 188
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: 548
Number of APNIC addresses announced to Internet: 166544748
Equivalent to 9 /8s, 237 /16s and 69 /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: 125144
Total ARIN prefixes after maximum aggregation: 65986
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 122954
Unique aggregates announced from the ARIN address blocks: 66528
ARIN Region origin ASes present in the Internet Routing Table: 9313
ARIN Prefixes per ASN: 13.20
ARIN Region origin ASes announcing only one prefix: 3877
ARIN Region transit ASes present in the Internet Routing Table: 875
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: 960573961
Equivalent to 57 /8s, 65 /16s and 50 /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: 49358
Total RIPE prefixes after maximum aggregation: 26594
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 51218
Unique aggregates announced from the RIPE address blocks: 37343
RIPE Region origin ASes present in the Internet Routing Table: 4610
RIPE Prefixes per ASN: 11.11
RIPE Region origin ASes announcing only one prefix: 1938
RIPE Region transit ASes present in the Internet Routing Table: 689
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: 1902
Number of RIPE addresses announced to Internet: 285942608
Equivalent to 17 /8s, 11 /16s and 35 /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: 43940
Total LACNIC prefixes after maximum aggregation: 13083
LACNIC Deaggregation factor: 3.36
Prefixes being announced from the LACNIC address blocks: 43058
Unique aggregates announced from the LACNIC address blocks: 19590
LACNIC Region origin ASes present in the Internet Routing Table: 3345
LACNIC Prefixes per ASN: 12.87
LACNIC Region origin ASes announcing only one prefix: 1297
LACNIC Region transit ASes present in the Internet Routing Table: 688
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: 2529
Number of LACNIC addresses announced to Internet: 96566592
Equivalent to 5 /8s, 193 /16s and 125 /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: 10692
Total AfriNIC prefixes after maximum aggregation: 2262
AfriNIC Deaggregation factor: 4.73
Prefixes being announced from the AfriNIC address blocks: 13156
Unique aggregates announced from the AfriNIC address blocks: 4526
AfriNIC Region origin ASes present in the Internet Routing Table: 287
AfriNIC Prefixes per ASN: 45.84
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 74
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: 153
Number of AfriNIC addresses announced to Internet: 46300928
Equivalent to 2 /8s, 194 /16s and 127 /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 13634 40956 5228 AMAZON-02, US
22773 3347 3016 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
4155 2795 212 1713 USDA-1, US
36352 2558 210 1131 AS-COLOCROSSING, US
367 2422 3163 1152 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 816 1301 129 SAUDINETSTC-AS, SA
8452 786 1841 16 TE-AS TE-AS, EG
34984 678 74 412 TELLCOM-AS, TR
212238 648 47 573 CDNEXT, GB
8376 577 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 7376 1993 933 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 1449 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 564 82 3 KENET-AS, KE
36992 551 1192 124 ETISALAT-MISR, EG
36903 456 204 330 MT-MPLS, MA
37069 451 1046 15 MOBINIL, EG
2018 375 318 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 13634 40956 5228 AMAZON-02, US
9808 11040 8759 104 CHINAMOBILE-CN China Mobile Communication
8151 7376 1993 933 UNINET, MX
22773 3347 3016 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
4155 2795 212 1713 USDA-1, US
36352 2558 210 1131 AS-COLOCROSSING, US
367 2422 3163 1152 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 7376 6443 UNINET, MX
22773 3347 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 1449 1433 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 /18:4175
/19:7559 /20:12526 /21:15157 /22:27173 /23:27779 /24:154140
/25:63 /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 3993 7376 UNINET, MX
22773 2501 3347 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13634 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 1010 1313 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 2:454 3:823 4:5 5:797 6:149
7:5 8:663 11:171 12:971 13:392 14:115
15:306 16:247 17:4 18:891 20:187 21:4
22:188 23:2610 24:706 27:23 29:19 31:518
32:9 33:1 34:10 35:180 36:1952 37:889
38:1983 39:550 40:63 41:985 42:21 43:219
44:35 45:3511 46:974 47:96 49:19 50:355
51:387 52:1393 54:318 55:1082 56:11 57:23
58:16 59:30 60:16 61:83 62:526 63:747
64:1996 65:1092 66:1533 67:1058 68:404 69:1169
70:468 71:193 72:649 74:934 75:318 76:254
77:489 78:367 79:249 80:287 81:365 82:704
83:206 84:341 85:434 86:246 87:199 88:306
89:715 90:104 91:942 92:646 93:490 94:924
95:674 96:303 97:53 98:535 99:179 100:42
101:20 102:340 103:1211 104:1675 105:213 107:1569
108:547 109:408 110:39 111:1930 112:525 113:35
114:44 115:23 116:55 117:1045 118:66 119:82
120:1352 121:43 122:67 123:63 124:61 125:25
128:482 129:396 130:686 131:960 132:558 133:213
134:459 135:128 136:605 137:506 138:842 139:428
140:707 141:363 142:1030 143:700 144:426 145:120
146:687 147:511 148:901 149:790 150:204 151:636
152:490 153:141 154:964 155:870 156:874 157:376
158:563 159:741 160:884 161:639 162:1041 163:427
164:710 165:531 166:795 167:660 168:1117 169:160
170:1537 171:109 172:1357 173:814 174:360 175:68
176:774 177:804 178:497 179:681 180:40 181:1780
182:25 183:997 184:454 185:3536 186:2050 187:1528
188:846 189:1810 190:4096 191:440 192:5192 193:1891
194:1233 195:930 196:689 197:1184 198:2733 199:4948
200:3571 201:3294 202:944 203:725 204:2156 205:1746
206:1527 207:1549 208:1485 209:1970 210:297 211:428
212:1015 213:777 214:931 215:37 216:2581 217:434
218:527 219:19 220:28 221:395 222:24 223:900
End of report
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