[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 7 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 07 May, 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: 262257
Prefixes after maximum aggregation (per Origin AS): 115161
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135547
Number of IPv4 prefixes with a valid ROA: 118252
Number of IPv4 prefixes with an invalid ROA: 46
Number of IPv4 prefixes with no ROA: 143959
Total ASes present in the Internet Routing Table: 19695
Prefixes per ASN: 13.32
Origin-only ASes present in the Internet Routing Table: 17037
Origin ASes announcing only one prefix: 7743
Transit ASes present in the Internet Routing Table: 2658
Transit-only ASes present in the Internet Routing Table: 702
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: 309
Number of instances of unregistered ASNs: 310
Number of 32-bit ASNs allocated by the RIRs: 46348
Number of 32-bit ASNs visible in the Routing Table: 7402
Prefixes from 32-bit ASNs in the Routing Table: 27758
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: 136
Number of addresses announced to Internet: 1556148957
Equivalent to 92 /8s, 192 /16s and 242 /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: 82629
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32430
Total APNIC prefixes after maximum aggregation: 7602
APNIC Deaggregation factor: 4.27
Prefixes being announced from the APNIC address blocks: 30865
Unique aggregates announced from the APNIC address blocks: 8014
APNIC Region origin ASes present in the Internet Routing Table: 1225
APNIC Prefixes per ASN: 25.20
APNIC Region origin ASes announcing only one prefix: 483
APNIC Region transit ASes present in the Internet Routing Table: 202
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: 555
Number of APNIC addresses announced to Internet: 167689580
Equivalent to 9 /8s, 254 /16s and 189 /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: 125784
Total ARIN prefixes after maximum aggregation: 65144
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 122735
Unique aggregates announced from the ARIN address blocks: 65939
ARIN Region origin ASes present in the Internet Routing Table: 9342
ARIN Prefixes per ASN: 13.14
ARIN Region origin ASes announcing only one prefix: 3896
ARIN Region transit ASes present in the Internet Routing Table: 863
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: 2181
Number of ARIN addresses announced to Internet: 968557025
Equivalent to 57 /8s, 187 /16s and 1 /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: 48813
Total RIPE prefixes after maximum aggregation: 26425
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 50550
Unique aggregates announced from the RIPE address blocks: 36924
RIPE Region origin ASes present in the Internet Routing Table: 4577
RIPE Prefixes per ASN: 11.04
RIPE Region origin ASes announcing only one prefix: 1927
RIPE Region transit ASes present in the Internet Routing Table: 691
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1873
Number of RIPE addresses announced to Internet: 281476944
Equivalent to 16 /8s, 198 /16s and 255 /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: 44663
Total LACNIC prefixes after maximum aggregation: 13490
LACNIC Deaggregation factor: 3.31
Prefixes being announced from the LACNIC address blocks: 43786
Unique aggregates announced from the LACNIC address blocks: 20097
LACNIC Region origin ASes present in the Internet Routing Table: 3470
LACNIC Prefixes per ASN: 12.62
LACNIC Region origin ASes announcing only one prefix: 1336
LACNIC Region transit ASes present in the Internet Routing Table: 701
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: 2658
Number of LACNIC addresses announced to Internet: 97049408
Equivalent to 5 /8s, 200 /16s and 219 /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: 10258
Total AfriNIC prefixes after maximum aggregation: 2293
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 14185
Unique aggregates announced from the AfriNIC address blocks: 4454
AfriNIC Region origin ASes present in the Internet Routing Table: 257
AfriNIC Prefixes per ASN: 55.19
AfriNIC Region origin ASes announcing only one prefix: 101
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: 135
Number of AfriNIC addresses announced to Internet: 41324032
Equivalent to 2 /8s, 118 /16s and 142 /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 10466 8754 87 CHINAMOBILE-CN China Mobile Communication
56046 1681 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1570 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1486 192 53 CMNET-HUNAN-AP China Mobile communication
17561 902 57 414 LCS-AS-AP LARUS Limited, HK
24547 852 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 771 500 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 500 796 137 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 13302 40822 4549 AMAZON-02, US
22773 3350 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
4155 2702 206 1653 USDA-1, US
36352 2520 207 1118 AS-COLOCROSSING, US
367 2442 2904 1185 DNIC-ASBLK-00306-00371, US
7018 2100 22891 1549 ATT-INTERNET4, US
11776 1895 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1849 3728 488 CELLCO-PART, US
209 1665 4890 275 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 1205 94 984 AKAMAI-ASN1, NL
3257 995 2077 748 GTT-BACKBONE GTT, US
3215 894 4818 288 France Telecom - Orange, FR
25019 813 1301 129 SAUDINETSTC-AS, SA
34984 686 76 409 TELLCOM-AS, TR
8452 661 1842 17 TE-AS TE-AS, EG
203214 580 45 362 HULUMTELE, IQ
8376 577 53 22 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 7607 2066 1007 UNINET, MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
10620 1930 286 1301 Telmex Colombia S.A., CO
3816 1334 784 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1192 371 22 Telefonica del Peru S.A.A., PE
26615 1014 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 644 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 552 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 1491 389 16 LINKdotNET-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 975 100 76 ORANGE-COTE-IVOIRE, CI
24835 882 552 38 RAYA-AS, EG
36935 719 141 184 Vodafone-, EG
36992 603 1228 124 ETISALAT-MISR, EG
36914 554 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 410 192 301 MT-MPLS, MA
2018 373 318 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 13302 40822 4549 AMAZON-02, US
9808 10466 8754 87 CHINAMOBILE-CN China Mobile Communication
8151 7607 2066 1007 UNINET, MX
22773 3350 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
4155 2702 206 1653 USDA-1, US
36352 2520 207 1118 AS-COLOCROSSING, US
367 2442 2904 1185 DNIC-ASBLK-00306-00371, US
7018 2100 22891 1549 ATT-INTERNET4, US
11830 1994 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 10466 10379 CHINAMOBILE-CN China Mobile Communications Grou
8151 7607 6600 UNINET, MX
22773 3350 3186 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1994 1930 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1679 ATLANTICBB-JOHNSTOWN, US
56046 1681 1495 CMNET-JIANGSU-AP China Mobile communications co
56041 1570 1492 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1491 1475 LINKdotNET-AS, EG
56047 1486 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
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 /11:41 /12:151
/13:214 /14:579 /15:1099 /16:7625 /17:3436 /18:4203
/19:7717 /20:12380 /21:15321 /22:27569 /23:27522 /24:154123
/25:61 /26:84 /27:36 /28:13 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 4019 7607 UNINET, MX
22773 2503 3350 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2313 13302 AMAZON-02, US
11830 1695 1994 Instituto Costarricense de Electricidad y Telecom., CR
10620 1089 1930 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 998 2520 AS-COLOCROSSING, US
19901 971 1249 BRSPD-PUBLIC, US
209 964 1665 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1895 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:66 2:495 3:690 4:6 5:794 6:155
7:5 8:683 11:171 12:999 13:308 14:113
15:301 16:245 17:6 18:888 20:177 21:4
22:188 23:2579 24:648 27:21 29:19 31:478
32:9 33:1 34:10 35:134 36:1485 37:1029
38:1896 39:551 40:62 41:930 42:213 43:192
44:34 45:3642 46:958 47:86 49:20 50:348
51:385 52:1384 54:301 55:1095 56:11 57:15
58:18 59:32 60:16 61:72 62:543 63:762
64:1994 65:1078 66:1581 67:955 68:405 69:1126
70:442 71:202 72:788 74:962 75:427 76:249
77:474 78:340 79:280 80:295 81:354 82:749
83:244 84:343 85:447 86:236 87:239 88:277
89:862 90:103 91:945 92:597 93:465 94:915
95:624 96:290 97:66 98:457 99:163 100:35
101:23 102:378 103:1234 104:1442 105:140 106:16
107:1503 108:550 109:388 110:34 111:1935 112:453
113:39 114:43 115:17 116:62 117:1041 118:72
119:131 120:1175 121:46 122:71 123:72 124:56
125:25 128:469 129:306 130:684 131:901 132:565
133:212 134:506 135:113 136:574 137:497 138:878
139:447 140:708 141:463 142:1024 143:671 144:431
145:135 146:678 147:497 148:863 149:769 150:386
151:638 152:494 153:129 154:1801 155:831 156:1423
157:375 158:543 159:687 160:835 161:668 162:938
163:356 164:715 165:769 166:779 167:634 168:1109
169:143 170:1599 171:122 172:1364 173:830 174:256
175:57 176:660 177:802 178:490 179:666 180:49
181:1738 182:30 183:869 184:453 185:3493 186:2003
187:1357 188:777 189:1753 190:4217 191:424 192:5164
193:1838 194:1221 195:927 196:691 197:1548 198:2737
199:4899 200:3543 201:3242 202:998 203:741 204:2159
205:1931 206:1566 207:1503 208:1425 209:1935 210:308
211:430 212:929 213:844 214:982 215:42 216:2530
217:416 218:520 219:19 220:26 221:333 222:32
223:763
End of report
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