[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 1 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 01 Apr, 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: 270133
Prefixes after maximum aggregation (per Origin AS): 117731
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 141420
Number of IPv4 prefixes with a valid ROA: 122646
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 147469
Total ASes present in the Internet Routing Table: 20752
Prefixes per ASN: 13.02
Origin-only ASes present in the Internet Routing Table: 17863
Origin ASes announcing only one prefix: 7963
Transit ASes present in the Internet Routing Table: 2889
Transit-only ASes present in the Internet Routing Table: 756
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: 290
Number of instances of unregistered ASNs: 291
Number of 32-bit ASNs allocated by the RIRs: 46115
Number of 32-bit ASNs visible in the Routing Table: 8169
Prefixes from 32-bit ASNs in the Routing Table: 31549
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: 134
Number of addresses announced to Internet: 1560255837
Equivalent to 92 /8s, 255 /16s and 157 /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: 86983
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32011
Total APNIC prefixes after maximum aggregation: 7607
APNIC Deaggregation factor: 4.21
Prefixes being announced from the APNIC address blocks: 30788
Unique aggregates announced from the APNIC address blocks: 8167
APNIC Region origin ASes present in the Internet Routing Table: 1216
APNIC Prefixes per ASN: 25.32
APNIC Region origin ASes announcing only one prefix: 487
APNIC Region transit ASes present in the Internet Routing Table: 210
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 558
Number of APNIC addresses announced to Internet: 169130604
Equivalent to 10 /8s, 20 /16s and 186 /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: 125526
Total ARIN prefixes after maximum aggregation: 64716
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123410
Unique aggregates announced from the ARIN address blocks: 66686
ARIN Region origin ASes present in the Internet Routing Table: 9380
ARIN Prefixes per ASN: 13.16
ARIN Region origin ASes announcing only one prefix: 3903
ARIN Region transit ASes present in the Internet Routing Table: 874
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: 2166
Number of ARIN addresses announced to Internet: 965039073
Equivalent to 57 /8s, 133 /16s and 83 /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: 49593
Total RIPE prefixes after maximum aggregation: 27151
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 51292
Unique aggregates announced from the RIPE address blocks: 37823
RIPE Region origin ASes present in the Internet Routing Table: 4678
RIPE Prefixes per ASN: 10.96
RIPE Region origin ASes announcing only one prefix: 1960
RIPE Region transit ASes present in the Internet Routing Table: 698
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1919
Number of RIPE addresses announced to Internet: 281199824
Equivalent to 16 /8s, 194 /16s and 196 /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: 52276
Total LACNIC prefixes after maximum aggregation: 15821
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 50876
Unique aggregates announced from the LACNIC address blocks: 24486
LACNIC Region origin ASes present in the Internet Routing Table: 4326
LACNIC Prefixes per ASN: 11.76
LACNIC Region origin ASes announcing only one prefix: 1505
LACNIC Region transit ASes present in the Internet Routing Table: 877
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3385
Number of LACNIC addresses announced to Internet: 101329216
Equivalent to 6 /8s, 10 /16s and 41 /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: 10437
Total AfriNIC prefixes after maximum aggregation: 2231
AfriNIC Deaggregation factor: 4.68
Prefixes being announced from the AfriNIC address blocks: 13633
Unique aggregates announced from the AfriNIC address blocks: 4129
AfriNIC Region origin ASes present in the Internet Routing Table: 273
AfriNIC Prefixes per ASN: 49.94
AfriNIC Region origin ASes announcing only one prefix: 108
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: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 141
Number of AfriNIC addresses announced to Internet: 43503104
Equivalent to 2 /8s, 151 /16s and 206 /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 10123 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1582 811 187 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1482 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 639 2170 465 SINET-AS Research Organization of Informa
24445 520 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 495 32 204 LCS-AS-AP LARUS Limited, HK
45102 478 779 138 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 12995 39644 3993 AMAZON-02, US
22773 3382 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2573 193 1567 USDA-1, US
367 2442 2889 1177 DNIC-ASBLK-00306-00371, US
36352 2387 198 1069 AS-COLOCROSSING, US
7018 2213 22907 1578 ATT-INTERNET4, US
11776 1879 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1828 3619 459 CELLCO-PART, US
209 1670 4890 277 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 1264 99 1020 AKAMAI-ASN1, NL
3215 927 4886 286 France Telecom - Orange, FR
3257 924 2073 745 GTT-BACKBONE GTT, US
25019 832 1299 129 SAUDINETSTC-AS, SA
34984 638 71 460 TELLCOM-AS, TR
8452 610 1842 17 TE-AS TE-AS, EG
203214 591 43 344 HULUMTELE, IQ
8376 569 53 25 Jordan Data Communications, JO
51167 567 113 250 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 7326 2016 1000 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1978 295 1310 Telmex Colombia S.A., CO
3816 1332 783 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 21 Telefonica del Peru S.A.A., PE
26615 988 2503 53 TIM SA, BR
18881 882 1127 31 TELEFONICA BRASIL S.A, BR
11172 713 122 78 Alestra, S. de R.L. de C.V., MX
27651 656 95 43 ENTEL CHILE S.A., CL
28006 643 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
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 1458 389 18 LINKdotNET-AS, EG
29571 1208 101 70 ORANGE-COTE-IVOIRE, CI
20011 981 185 285 INTERNET-SOLUTIONS, ZA
24835 805 504 37 RAYA-AS, EG
36935 687 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 465 82 3 KENET-AS, KE
37069 460 1030 15 MOBINIL, EG
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 12995 39644 3993 AMAZON-02, US
9808 10123 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7326 2016 1000 UNINET, MX
22773 3382 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2573 193 1567 USDA-1, US
367 2442 2889 1177 DNIC-ASBLK-00306-00371, US
36352 2387 198 1069 AS-COLOCROSSING, US
7018 2213 22907 1578 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 10123 10035 CHINAMOBILE-CN China Mobile Communications Grou
8151 7326 6326 UNINET, MX
22773 3382 3203 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1879 1662 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1458 1440 LINKdotNET-AS, EG
56047 1482 1429 CMNET-HUNAN-AP China Mobile communications corp
56046 1582 1395 CMNET-JIANGSU-AP China Mobile communications co
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 RESERVED, ZZ
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 /11:42 /12:150
/13:216 /14:577 /15:1099 /16:7591 /17:3462 /18:4239
/19:7772 /20:12529 /21:15695 /22:28348 /23:28271 /24:159874
/25:61 /26:76 /27:35 /28:13 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3851 7326 UNINET, MX
22773 2521 3382 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2337 12995 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
10620 1107 1978 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 974 2387 AS-COLOCROSSING, US
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 940 1188 BRSPD-PUBLIC, US
11776 881 1879 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:65 2:482 3:601 4:5 5:834 6:150
7:5 8:637 11:171 12:999 13:297 14:138
15:301 16:241 17:5 18:886 20:173 21:4
22:188 23:2512 24:773 27:26 29:19 31:523
32:18 34:10 35:133 36:1226 37:1078 38:2345
39:543 40:54 41:899 42:221 43:211 44:32
45:4168 46:951 47:83 49:51 50:356 51:381
52:1385 54:276 55:877 56:11 57:18 58:45
59:30 60:16 61:68 62:542 63:785 64:1891
65:1088 66:1625 67:981 68:418 69:1230 70:432
71:212 72:860 74:979 75:435 76:251 77:476
78:327 79:275 80:301 81:351 82:749 83:235
84:360 85:522 86:237 87:254 88:291 89:839
90:106 91:982 92:683 93:454 94:927 95:680
96:293 97:62 98:478 99:161 100:35 101:25
102:398 103:1254 104:1487 105:135 106:59 107:1489
108:542 109:417 110:58 111:1907 112:462 113:40
114:65 115:16 116:55 117:1037 118:165 119:132
120:1163 121:45 122:111 123:147 124:57 125:20
128:493 129:309 130:664 131:959 132:570 133:213
134:544 135:118 136:563 137:502 138:1048 139:434
140:715 141:443 142:976 143:714 144:419 145:112
146:699 147:499 148:927 149:761 150:377 151:698
152:524 153:127 154:1487 155:806 156:1095 157:377
158:509 159:736 160:925 161:718 162:1006 163:351
164:727 165:838 166:739 167:647 168:1511 169:146
170:1694 171:119 172:1451 173:821 174:253 175:51
176:522 177:1158 178:548 179:789 180:50 181:1974
182:29 183:856 184:507 185:3425 186:2497 187:1456
188:797 189:1844 190:5249 191:502 192:5160 193:1843
194:1245 195:932 196:835 197:1571 198:2717 199:4892
200:4184 201:3604 202:989 203:712 204:2180 205:2000
206:1573 207:1513 208:1370 209:1991 210:308 211:426
212:1092 213:875 214:1008 215:42 216:2508 217:443
218:521 219:21 220:20 221:301 222:32 223:734
End of report
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