[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 13 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 13 Mar, 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: 262711
Prefixes after maximum aggregation (per Origin AS): 113960
Deaggregation factor: 2.31
Unique aggregates announced (without unneeded subnets): 136136
Number of IPv4 prefixes with a valid ROA: 118578
Number of IPv4 prefixes with an invalid ROA: 24
Number of IPv4 prefixes with no ROA: 144109
Total ASes present in the Internet Routing Table: 20325
Prefixes per ASN: 12.93
Origin-only ASes present in the Internet Routing Table: 17489
Origin ASes announcing only one prefix: 7787
Transit ASes present in the Internet Routing Table: 2836
Transit-only ASes present in the Internet Routing Table: 712
Paths with bogon ASNs present in the IPv4 Routing Table: 6
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 38
Max AS path prepend of ASN ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 287
Number of instances of unregistered ASNs: 288
Number of 32-bit ASNs allocated by the RIRs: 46137
Number of 32-bit ASNs visible in the Routing Table: 7953
Prefixes from 32-bit ASNs in the Routing Table: 30484
Number of bogon 32-bit ASNs visible in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 122
Number of addresses announced to Internet: 1564864765
Equivalent to 93 /8s, 69 /16s and 240 /24s
Percentage of available address space announced: 42.3
Percentage of allocated address space announced: 42.3
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: 84040
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32409
Total APNIC prefixes after maximum aggregation: 7939
APNIC Deaggregation factor: 4.08
Prefixes being announced from the APNIC address blocks: 31268
Unique aggregates announced from the APNIC address blocks: 8712
APNIC Region origin ASes present in the Internet Routing Table: 1201
APNIC Prefixes per ASN: 26.03
APNIC Region origin ASes announcing only one prefix: 470
APNIC Region transit ASes present in the Internet Routing Table: 213
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 544
Number of APNIC addresses announced to Internet: 171813484
Equivalent to 10 /8s, 61 /16s and 170 /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: 120973
Total ARIN prefixes after maximum aggregation: 62256
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 119045
Unique aggregates announced from the ARIN address blocks: 63364
ARIN Region origin ASes present in the Internet Routing Table: 9214
ARIN Prefixes per ASN: 12.92
ARIN Region origin ASes announcing only one prefix: 3848
ARIN Region transit ASes present in the Internet Routing Table: 859
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: 2110
Number of ARIN addresses announced to Internet: 961618177
Equivalent to 57 /8s, 81 /16s and 33 /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: 47022
Total RIPE prefixes after maximum aggregation: 25473
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 49012
Unique aggregates announced from the RIPE address blocks: 35685
RIPE Region origin ASes present in the Internet Routing Table: 4528
RIPE Prefixes per ASN: 10.82
RIPE Region origin ASes announcing only one prefix: 1884
RIPE Region transit ASes present in the Internet Routing Table: 678
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1814
Number of RIPE addresses announced to Internet: 288243280
Equivalent to 17 /8s, 46 /16s and 62 /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: 51541
Total LACNIC prefixes after maximum aggregation: 15582
LACNIC Deaggregation factor: 3.31
Prefixes being announced from the LACNIC address blocks: 50173
Unique aggregates announced from the LACNIC address blocks: 23889
LACNIC Region origin ASes present in the Internet Routing Table: 4273
LACNIC Prefixes per ASN: 11.74
LACNIC Region origin ASes announcing only one prefix: 1474
LACNIC Region transit ASes present in the Internet Routing Table: 867
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3342
Number of LACNIC addresses announced to Internet: 100681024
Equivalent to 6 /8s, 0 /16s and 69 /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: 10479
Total AfriNIC prefixes after maximum aggregation: 2499
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 13091
Unique aggregates announced from the AfriNIC address blocks: 4372
AfriNIC Region origin ASes present in the Internet Routing Table: 271
AfriNIC Prefixes per ASN: 48.31
AfriNIC Region origin ASes announcing only one prefix: 111
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: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 143
Number of AfriNIC addresses announced to Internet: 42457600
Equivalent to 2 /8s, 135 /16s and 218 /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 10138 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1571 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1502 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 640 2170 465 SINET-AS Research Organization of Informa
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 477 779 141 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 470 8895 146 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 12917 39642 3956 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2492 184 1513 USDA-1, US
367 2453 2913 1191 DNIC-ASBLK-00306-00371, US
7018 2219 22910 1582 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1798 3546 464 CELLCO-PART, US
209 1670 4890 278 CENTURYLINK-US-LEGACY-QWEST, US
20057 1423 1047 109 ATT-MOBILITY-LLC-AS20057, 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 1267 99 1021 AKAMAI-ASN1, NL
3215 926 4894 282 France Telecom - Orange, FR
34984 885 86 482 TELLCOM-AS, TR
3257 780 2067 684 GTT-BACKBONE GTT, US
25019 699 1290 134 SAUDINETSTC-AS, SA
203214 627 48 354 HULUMTELE, IQ
8452 602 1842 17 TE-AS TE-AS, EG
8376 577 54 23 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 7266 2020 944 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1723 256 1225 Telmex Colombia S.A., CO
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 869 1127 31 TELEFONICA BRASIL S.A, BR
28006 643 77 294 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
26599 541 2876 72 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 1469 389 16 LINKdotNET-AS, EG
29571 1133 81 380 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 843 509 44 RAYA-AS, EG
36935 694 520 41 Vodafone-, EG
36992 639 1229 126 ETISALAT-MISR, EG
37069 591 1031 15 MOBINIL, EG
36914 548 82 3 KENET-AS, KE
36903 417 195 306 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 12917 39642 3956 AMAZON-02, US
9808 10138 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7266 2020 944 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2492 184 1513 USDA-1, US
367 2453 2913 1191 DNIC-ASBLK-00306-00371, US
7018 2219 22910 1582 ATT-INTERNET4, US
11830 1991 369 64 Instituto Costarricense de Electricidad y
39891 1936 130 50 ALJAWWALSTC-AS, SA
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 10138 10051 CHINAMOBILE-CN China Mobile Communications Grou
8151 7266 6322 UNINET, MX
22773 3374 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1877 1660 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1469 1453 LINKdotNET-AS, EG
56047 1502 1449 CMNET-HUNAN-AP China Mobile communications corp
209 1670 1392 CENTURYLINK-US-LEGACY-QWEST, US
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
53966 UNALLOCATED 8.39.98.0/24 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.158.216.0/24 Origin: 204535 PIGGYTARO-DATA, CA
23.158.216.0/24 Transit: 22427 GNET-AS, 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
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 /10:29 /11:43 /12:151
/13:222 /14:577 /15:1105 /16:7625 /17:3368 /18:4240
/19:7717 /20:12615 /21:15419 /22:28041 /23:27621 /24:153698
/25:59 /26:75 /27:36 /28:16 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3851 7266 UNINET, MX
22773 2516 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2328 12917 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 968 1723 Telmex Colombia S.A., CO
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 923 1158 BRSPD-PUBLIC, US
11776 881 1877 ATLANTICBB-JOHNSTOWN, US
20011 868 980 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:62 2:482 3:587 4:5 5:911 6:149
7:5 8:632 11:171 12:997 13:292 14:142
15:299 16:241 17:5 18:891 20:173 21:4
22:188 23:2256 24:952 27:25 29:19 31:378
32:17 34:10 35:131 36:1230 37:1047 38:2187
39:543 40:54 41:953 42:211 43:194 44:25
45:3888 46:893 47:84 49:51 50:331 51:381
52:1384 54:276 55:1071 56:9 57:18 58:31
59:31 60:16 61:78 62:516 63:776 64:1802
65:1082 66:1562 67:964 68:427 69:1180 70:444
71:201 72:770 74:961 75:420 76:245 77:437
78:332 79:268 80:268 81:332 82:634 83:233
84:344 85:552 86:226 87:243 88:255 89:773
90:101 91:919 92:621 93:360 94:777 95:631
96:251 97:66 98:458 99:161 100:36 101:28
102:310 103:1230 104:1150 105:117 106:63 107:1114
108:498 109:375 110:60 111:1916 112:463 113:37
114:66 115:20 116:49 117:1051 118:171 119:123
120:1170 121:42 122:112 123:146 124:57 125:24
128:482 129:281 130:660 131:915 132:562 133:213
134:494 135:115 136:531 137:507 138:1031 139:409
140:710 141:416 142:909 143:701 144:412 145:73
146:669 147:498 148:852 149:704 150:372 151:670
152:532 153:124 154:1360 155:773 156:1076 157:390
158:479 159:675 160:870 161:697 162:949 163:338
164:736 165:766 166:627 167:644 168:1507 169:143
170:1664 171:121 172:1149 173:791 174:235 175:63
176:721 177:1116 178:536 179:793 180:70 181:1869
182:52 183:881 184:493 185:3284 186:2487 187:1564
188:726 189:1778 190:5172 191:466 192:4816 193:1716
194:1187 195:892 196:633 197:1514 198:2570 199:4805
200:4066 201:3452 202:988 203:704 204:2104 205:1978
206:1551 207:1488 208:1329 209:1930 210:315 211:425
212:936 213:767 214:1016 215:36 216:2471 217:431
218:522 219:22 220:30 221:301 222:31 223:739
End of report
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