[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Mar 28 20:16:59 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 28 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: 270284
Prefixes after maximum aggregation (per Origin AS): 117770
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 141563
Number of IPv4 prefixes with a valid ROA: 122753
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 147515
Total ASes present in the Internet Routing Table: 20743
Prefixes per ASN: 13.03
Origin-only ASes present in the Internet Routing Table: 17836
Origin ASes announcing only one prefix: 7984
Transit ASes present in the Internet Routing Table: 2907
Transit-only ASes present in the Internet Routing Table: 770
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: 272
Number of instances of unregistered ASNs: 273
Number of 32-bit ASNs allocated by the RIRs: 46107
Number of 32-bit ASNs visible in the Routing Table: 8143
Prefixes from 32-bit ASNs in the Routing Table: 31369
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: 111
Number of addresses announced to Internet: 1560287581
Equivalent to 93 /8s, 0 /16s and 25 /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: 87070
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32075
Total APNIC prefixes after maximum aggregation: 7633
APNIC Deaggregation factor: 4.20
Prefixes being announced from the APNIC address blocks: 30818
Unique aggregates announced from the APNIC address blocks: 8174
APNIC Region origin ASes present in the Internet Routing Table: 1241
APNIC Prefixes per ASN: 24.83
APNIC Region origin ASes announcing only one prefix: 506
APNIC Region transit ASes present in the Internet Routing Table: 222
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 578
Number of APNIC addresses announced to Internet: 169060972
Equivalent to 10 /8s, 19 /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: 126072
Total ARIN prefixes after maximum aggregation: 64855
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123692
Unique aggregates announced from the ARIN address blocks: 66728
ARIN Region origin ASes present in the Internet Routing Table: 9373
ARIN Prefixes per ASN: 13.20
ARIN Region origin ASes announcing only one prefix: 3899
ARIN Region transit ASes present in the Internet Routing Table: 877
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: 2165
Number of ARIN addresses announced to Internet: 965129441
Equivalent to 57 /8s, 134 /16s and 180 /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: 49946
Total RIPE prefixes after maximum aggregation: 27180
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 51655
Unique aggregates announced from the RIPE address blocks: 38046
RIPE Region origin ASes present in the Internet Routing Table: 4713
RIPE Prefixes per ASN: 10.96
RIPE Region origin ASes announcing only one prefix: 1973
RIPE Region transit ASes present in the Internet Routing Table: 705
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: 1920
Number of RIPE addresses announced to Internet: 281357264
Equivalent to 16 /8s, 197 /16s and 43 /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: 51391
Total LACNIC prefixes after maximum aggregation: 15640
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 50019
Unique aggregates announced from the LACNIC address blocks: 24184
LACNIC Region origin ASes present in the Internet Routing Table: 4246
LACNIC Prefixes per ASN: 11.78
LACNIC Region origin ASes announcing only one prefix: 1493
LACNIC Region transit ASes present in the Internet Routing Table: 868
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: 3329
Number of LACNIC addresses announced to Internet: 100940352
Equivalent to 6 /8s, 4 /16s and 58 /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: 10528
Total AfriNIC prefixes after maximum aggregation: 2258
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 13989
Unique aggregates announced from the AfriNIC address blocks: 4322
AfriNIC Region origin ASes present in the Internet Routing Table: 278
AfriNIC Prefixes per ASN: 50.32
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 76
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: 151
Number of AfriNIC addresses announced to Internet: 43750656
Equivalent to 2 /8s, 155 /16s and 149 /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 10124 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1576 803 179 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 516 33 206 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 12935 39642 3976 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2558 189 1552 USDA-1, US
367 2432 2887 1171 DNIC-ASBLK-00306-00371, US
36352 2342 195 1061 AS-COLOCROSSING, US
7018 2218 22907 1581 ATT-INTERNET4, US
11776 1879 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1819 3570 457 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 1266 100 1022 AKAMAI-ASN1, NL
25019 963 1299 129 SAUDINETSTC-AS, SA
3215 927 4886 286 France Telecom - Orange, FR
3257 927 2075 749 GTT-BACKBONE GTT, US
34984 776 80 462 TELLCOM-AS, TR
8452 602 1842 17 TE-AS TE-AS, EG
8376 570 53 25 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 568 41 501 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 7313 2015 1001 UNINET, MX
10620 2042 305 1336 Telmex Colombia S.A., CO
11830 1991 369 64 Instituto Costarricense de Electricidad y
3816 1330 782 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 22 Telefonica del Peru S.A.A., PE
26615 1014 2503 53 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 656 95 43 ENTEL CHILE S.A., CL
28006 643 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 544 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 1457 389 18 LINKdotNET-AS, EG
29571 1209 101 70 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 805 504 37 RAYA-AS, EG
36935 687 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 545 82 3 KENET-AS, KE
37069 464 1030 15 MOBINIL, EG
36903 417 195 306 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 12935 39642 3976 AMAZON-02, US
9808 10124 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7313 2015 1001 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2558 189 1552 USDA-1, US
367 2432 2887 1171 DNIC-ASBLK-00306-00371, US
36352 2342 195 1061 AS-COLOCROSSING, US
7018 2218 22907 1581 ATT-INTERNET4, US
10620 2042 305 1336 Telmex Colombia S.A., CO
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 10124 10037 CHINAMOBILE-CN China Mobile Communications Grou
8151 7313 6312 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 1879 1662 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1457 1439 LINKdotNET-AS, EG
56047 1482 1429 CMNET-HUNAN-AP China Mobile communications corp
56046 1576 1397 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 /11:42 /12:150
/13:218 /14:577 /15:1100 /16:7621 /17:3482 /18:4246
/19:7772 /20:12504 /21:15598 /22:28314 /23:28196 /24:160196
/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 3844 7313 UNINET, MX
22773 2515 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2328 12935 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
10620 1143 2042 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
36352 939 2342 AS-COLOCROSSING, US
19901 937 1183 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 2:478 3:597 4:5 5:843 6:150
7:5 8:641 11:171 12:999 13:295 14:137
15:301 16:241 17:5 18:878 20:173 21:4
22:188 23:2516 24:956 27:25 29:19 31:529
32:18 34:10 35:132 36:1225 37:1116 38:2319
39:543 40:54 41:965 42:221 43:216 44:32
45:4127 46:951 47:84 49:51 50:356 51:381
52:1386 54:276 55:1090 56:11 57:18 58:45
59:40 60:16 61:67 62:538 63:775 64:1885
65:1090 66:1610 67:974 68:418 69:1205 70:439
71:212 72:861 74:982 75:436 76:248 77:483
78:335 79:276 80:302 81:350 82:709 83:245
84:352 85:544 86:240 87:252 88:290 89:849
90:104 91:1013 92:679 93:461 94:997 95:685
96:279 97:64 98:474 99:161 100:35 101:25
102:395 103:1261 104:1475 105:135 106:62 107:1488
108:541 109:396 110:57 111:1919 112:462 113:40
114:65 115:16 116:55 117:1038 118:167 119:132
120:1163 121:45 122:106 123:146 124:57 125:20
128:487 129:286 130:666 131:951 132:562 133:213
134:553 135:117 136:562 137:508 138:1038 139:440
140:713 141:448 142:973 143:707 144:420 145:112
146:699 147:499 148:857 149:750 150:377 151:704
152:526 153:127 154:1538 155:805 156:1354 157:376
158:507 159:743 160:928 161:719 162:1007 163:349
164:733 165:843 166:734 167:649 168:1512 169:145
170:1663 171:122 172:1415 173:821 174:253 175:53
176:687 177:1095 178:520 179:785 180:50 181:1988
182:43 183:857 184:507 185:3465 186:2489 187:1448
188:828 189:1767 190:5242 191:501 192:5157 193:1844
194:1248 195:936 196:837 197:1543 198:2706 199:4902
200:4051 201:3406 202:990 203:711 204:2173 205:2006
206:1572 207:1511 208:1372 209:1986 210:309 211:426
212:1095 213:858 214:1007 215:42 216:2509 217:445
218:522 219:20 220:21 221:301 222:32 223:733
End of report
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