[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 17 20:17:00 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 17 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: 266173
Prefixes after maximum aggregation (per Origin AS): 115718
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 138528
Number of IPv4 prefixes with a valid ROA: 119853
Number of IPv4 prefixes with an invalid ROA: 22
Number of IPv4 prefixes with no ROA: 146298
Total ASes present in the Internet Routing Table: 20463
Prefixes per ASN: 13.01
Origin-only ASes present in the Internet Routing Table: 17600
Origin ASes announcing only one prefix: 7819
Transit ASes present in the Internet Routing Table: 2863
Transit-only ASes present in the Internet Routing Table: 730
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: 291
Number of instances of unregistered ASNs: 292
Number of 32-bit ASNs allocated by the RIRs: 46137
Number of 32-bit ASNs visible in the Routing Table: 8027
Prefixes from 32-bit ASNs in the Routing Table: 31135
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: 129
Number of addresses announced to Internet: 1565794685
Equivalent to 93 /8s, 84 /16s and 33 /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: 84816
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32033
Total APNIC prefixes after maximum aggregation: 7588
APNIC Deaggregation factor: 4.22
Prefixes being announced from the APNIC address blocks: 30755
Unique aggregates announced from the APNIC address blocks: 8175
APNIC Region origin ASes present in the Internet Routing Table: 1198
APNIC Prefixes per ASN: 25.67
APNIC Region origin ASes announcing only one prefix: 469
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: 542
Number of APNIC addresses announced to Internet: 169397100
Equivalent to 10 /8s, 24 /16s and 203 /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: 125384
Total ARIN prefixes after maximum aggregation: 64328
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 123042
Unique aggregates announced from the ARIN address blocks: 66135
ARIN Region origin ASes present in the Internet Routing Table: 9334
ARIN Prefixes per ASN: 13.18
ARIN Region origin ASes announcing only one prefix: 3887
ARIN Region transit ASes present in the Internet Routing Table: 875
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: 2161
Number of ARIN addresses announced to Internet: 964907521
Equivalent to 57 /8s, 131 /16s and 82 /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: 47348
Total RIPE prefixes after maximum aggregation: 25825
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 49253
Unique aggregates announced from the RIPE address blocks: 36262
RIPE Region origin ASes present in the Internet Routing Table: 4512
RIPE Prefixes per ASN: 10.92
RIPE Region origin ASes announcing only one prefix: 1876
RIPE Region transit ASes present in the Internet Routing Table: 668
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: 1812
Number of RIPE addresses announced to Internet: 288037840
Equivalent to 17 /8s, 43 /16s and 27 /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: 50879
Total LACNIC prefixes after maximum aggregation: 15553
LACNIC Deaggregation factor: 3.27
Prefixes being announced from the LACNIC address blocks: 49554
Unique aggregates announced from the LACNIC address blocks: 23901
LACNIC Region origin ASes present in the Internet Routing Table: 4289
LACNIC Prefixes per ASN: 11.55
LACNIC Region origin ASes announcing only one prefix: 1476
LACNIC Region transit ASes present in the Internet Routing Table: 888
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: 3367
Number of LACNIC addresses announced to Internet: 100688448
Equivalent to 6 /8s, 0 /16s and 98 /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: 10238
Total AfriNIC prefixes after maximum aggregation: 2210
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 13440
Unique aggregates announced from the AfriNIC address blocks: 3935
AfriNIC Region origin ASes present in the Internet Routing Table: 270
AfriNIC Prefixes per ASN: 49.78
AfriNIC Region origin ASes announcing only one prefix: 111
AfriNIC Region transit ASes present in the Internet Routing Table: 74
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: 145
Number of AfriNIC addresses announced to Internet: 42709248
Equivalent to 2 /8s, 139 /16s and 177 /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 10142 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1573 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
17561 558 36 225 LCS-AS-AP LARUS Limited, HK
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 480 783 138 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 12901 39642 3963 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2502 185 1516 USDA-1, US
367 2434 2912 1174 DNIC-ASBLK-00306-00371, US
36352 2283 192 1040 AS-COLOCROSSING, US
7018 2219 22910 1582 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1804 3547 466 CELLCO-PART, US
209 1670 4890 278 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 1237 97 1001 AKAMAI-ASN1, NL
3215 926 4894 282 France Telecom - Orange, FR
34984 887 86 484 TELLCOM-AS, TR
3257 780 2067 684 GTT-BACKBONE GTT, US
25019 699 1290 134 SAUDINETSTC-AS, SA
8452 602 1842 17 TE-AS TE-AS, EG
203214 582 45 351 HULUMTELE, IQ
8376 571 53 22 Jordan Data Communications, JO
212238 569 41 503 CDNEXT, GB
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 6885 2011 956 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1733 256 1226 Telmex Colombia S.A., CO
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 871 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 1456 389 16 LINKdotNET-AS, EG
29571 1067 102 93 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 863 509 44 RAYA-AS, EG
36935 680 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 548 82 3 KENET-AS, KE
37069 455 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 12901 39642 3963 AMAZON-02, US
9808 10142 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6885 2011 956 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2502 185 1516 USDA-1, US
367 2434 2912 1174 DNIC-ASBLK-00306-00371, US
36352 2283 192 1040 AS-COLOCROSSING, US
7018 2219 22910 1582 ATT-INTERNET4, US
11830 1993 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 10142 10055 CHINAMOBILE-CN China Mobile Communications Grou
8151 6885 5929 UNINET, MX
22773 3374 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 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
56047 1502 1449 CMNET-HUNAN-AP China Mobile communications corp
24863 1456 1440 LINKdotNET-AS, EG
56046 1573 1394 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 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 /15:1104 /16:7638 /17:3369 /18:4213
/19:7699 /20:12448 /21:15466 /22:28079 /23:27896 /24:156998
/25:60 /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 3580 6885 UNINET, MX
22773 2516 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2334 12901 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 978 1733 Telmex Colombia S.A., CO
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 927 1164 BRSPD-PUBLIC, US
36352 905 2283 AS-COLOCROSSING, US
11776 881 1877 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:61 2:466 3:589 4:5 5:754 6:159
7:5 8:640 11:171 12:1001 13:292 14:141
15:300 16:241 17:5 18:887 20:173 21:4
22:188 23:2518 24:953 27:23 29:19 31:417
32:18 34:10 35:131 36:1230 37:1004 38:2304
39:543 40:54 41:941 42:212 43:203 44:25
45:4082 46:891 47:84 49:55 50:351 51:382
52:1384 54:276 55:1062 56:9 57:19 58:31
59:26 60:16 61:65 62:525 63:778 64:1886
65:1085 66:1628 67:974 68:430 69:1223 70:443
71:214 72:830 74:978 75:430 76:244 77:395
78:338 79:321 80:271 81:332 82:679 83:243
84:359 85:542 86:242 87:243 88:257 89:795
90:101 91:935 92:659 93:453 94:817 95:606
96:267 97:66 98:472 99:161 100:36 101:24
102:322 103:1236 104:1451 105:115 106:63 107:1484
108:538 109:362 110:57 111:1916 112:463 113:37
114:64 115:18 116:53 117:1047 118:163 119:132
120:1169 121:43 122:110 123:144 124:57 125:23
126:1 128:481 129:280 130:660 131:939 132:562
133:213 134:533 135:115 136:544 137:507 138:1037
139:428 140:698 141:419 142:975 143:712 144:419
145:75 146:684 147:529 148:854 149:712 150:376
151:673 152:520 153:126 154:1528 155:797 156:1369
157:376 158:503 159:664 160:832 161:726 162:1009
163:342 164:732 165:780 166:713 167:648 168:1490
169:144 170:1636 171:122 172:1391 173:802 174:255
175:63 176:693 177:1110 178:477 179:794 180:50
181:1902 182:46 183:883 184:511 185:3335 186:2468
187:1307 188:743 189:1710 190:5151 191:504 192:5105
193:1740 194:1212 195:898 196:666 197:1525 198:2676
199:4877 200:4089 201:3420 202:987 203:712 204:2137
205:1977 206:1569 207:1516 208:1369 209:1961 210:310
211:425 212:953 213:796 214:1013 215:38 216:2506
217:434 218:525 219:20 220:24 221:301 222:31
223:739
End of report
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