[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Apr 14 20:17:08 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 14 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: 265406
Prefixes after maximum aggregation (per Origin AS): 115944
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 137971
Number of IPv4 prefixes with a valid ROA: 118727
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 146661
Total ASes present in the Internet Routing Table: 20505
Prefixes per ASN: 12.94
Origin-only ASes present in the Internet Routing Table: 17663
Origin ASes announcing only one prefix: 7919
Transit ASes present in the Internet Routing Table: 2842
Transit-only ASes present in the Internet Routing Table: 748
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: 337
Number of instances of unregistered ASNs: 338
Number of 32-bit ASNs allocated by the RIRs: 46183
Number of 32-bit ASNs visible in the Routing Table: 8002
Prefixes from 32-bit ASNs in the Routing Table: 29970
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: 140
Number of addresses announced to Internet: 1492564701
Equivalent to 88 /8s, 246 /16s and 186 /24s
Percentage of available address space announced: 40.3
Percentage of allocated address space announced: 40.3
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: 84851
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31912
Total APNIC prefixes after maximum aggregation: 7540
APNIC Deaggregation factor: 4.23
Prefixes being announced from the APNIC address blocks: 30578
Unique aggregates announced from the APNIC address blocks: 7958
APNIC Region origin ASes present in the Internet Routing Table: 1254
APNIC Prefixes per ASN: 24.38
APNIC Region origin ASes announcing only one prefix: 507
APNIC Region transit ASes present in the Internet Routing Table: 218
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: 595
Number of APNIC addresses announced to Internet: 167994732
Equivalent to 10 /8s, 3 /16s and 101 /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: 125487
Total ARIN prefixes after maximum aggregation: 64525
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123300
Unique aggregates announced from the ARIN address blocks: 66608
ARIN Region origin ASes present in the Internet Routing Table: 9408
ARIN Prefixes per ASN: 13.11
ARIN Region origin ASes announcing only one prefix: 3900
ARIN Region transit ASes present in the Internet Routing Table: 886
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2189
Number of ARIN addresses announced to Internet: 923783137
Equivalent to 55 /8s, 15 /16s and 207 /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: 49524
Total RIPE prefixes after maximum aggregation: 26881
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 50784
Unique aggregates announced from the RIPE address blocks: 37252
RIPE Region origin ASes present in the Internet Routing Table: 4643
RIPE Prefixes per ASN: 10.94
RIPE Region origin ASes announcing only one prefix: 1948
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: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1893
Number of RIPE addresses announced to Internet: 259033168
Equivalent to 15 /8s, 112 /16s and 136 /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: 47704
Total LACNIC prefixes after maximum aggregation: 14505
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 46604
Unique aggregates announced from the LACNIC address blocks: 21710
LACNIC Region origin ASes present in the Internet Routing Table: 4039
LACNIC Prefixes per ASN: 11.54
LACNIC Region origin ASes announcing only one prefix: 1452
LACNIC Region transit ASes present in the Internet Routing Table: 825
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3169
Number of LACNIC addresses announced to Internet: 98230848
Equivalent to 5 /8s, 218 /16s and 226 /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: 10442
Total AfriNIC prefixes after maximum aggregation: 2272
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 14000
Unique aggregates announced from the AfriNIC address blocks: 4308
AfriNIC Region origin ASes present in the Internet Routing Table: 282
AfriNIC Prefixes per ASN: 49.65
AfriNIC Region origin ASes announcing only one prefix: 112
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: 156
Number of AfriNIC addresses announced to Internet: 43466496
Equivalent to 2 /8s, 151 /16s and 63 /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 10121 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1587 811 187 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 774 500 71 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
17561 492 32 206 LCS-AS-AP LARUS Limited, HK
45102 476 762 135 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 13148 39686 4088 AMAZON-02, US
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2630 197 1603 USDA-1, US
367 2474 2891 1200 DNIC-ASBLK-00306-00371, US
36352 2397 199 1079 AS-COLOCROSSING, US
7018 2215 22907 1581 ATT-INTERNET4, US
11776 1892 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1830 3621 458 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 1212 95 991 AKAMAI-ASN1, NL
34984 927 91 519 TELLCOM-AS, TR
3257 926 2075 747 GTT-BACKBONE GTT, US
3215 894 4810 293 France Telecom - Orange, FR
25019 849 1299 129 SAUDINETSTC-AS, SA
8452 643 1842 17 TE-AS TE-AS, EG
203214 597 44 358 HULUMTELE, IQ
8376 578 53 23 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 7382 2023 1004 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1929 286 1300 Telmex Colombia S.A., CO
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1192 371 22 Telefonica del Peru S.A.A., PE
26615 987 2503 52 TIM SA, BR
18881 882 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 548 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 1487 389 16 LINKdotNET-AS, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 955 100 75 ORANGE-COTE-IVOIRE, CI
24835 874 512 38 RAYA-AS, EG
36935 702 519 48 Vodafone-, EG
36992 602 1229 124 ETISALAT-MISR, EG
36914 544 82 3 KENET-AS, KE
37069 533 1046 15 MOBINIL, EG
36903 410 192 301 MT-MPLS, MA
2018 370 318 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 13148 39686 4088 AMAZON-02, US
9808 10121 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7382 2023 1004 UNINET, MX
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2630 197 1603 USDA-1, US
367 2474 2891 1200 DNIC-ASBLK-00306-00371, US
36352 2397 199 1079 AS-COLOCROSSING, US
7018 2215 22907 1581 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 10121 10033 CHINAMOBILE-CN China Mobile Communications Grou
8151 7382 6378 UNINET, MX
22773 3394 3215 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1892 1676 ATLANTICBB-JOHNSTOWN, US
24863 1487 1471 LINKdotNET-AS, EG
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
56046 1587 1400 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
23.166.120.0/24 Origin: 59993 UILLLC-20230328, US
23.166.120.0/24 Transit: 30456 COSMIC-GLOBAL, 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 /10:27 /11:36 /12:137
/13:203 /14:551 /15:1068 /16:7402 /17:3436 /18:4204
/19:7693 /20:12526 /21:15561 /22:28189 /23:27947 /24:156188
/25:60 /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 3891 7382 UNINET, MX
22773 2534 3394 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2334 13148 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
10620 1088 1929 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 971 2397 AS-COLOCROSSING, US
209 965 1665 CENTURYLINK-US-LEGACY-QWEST, US
19901 945 1201 BRSPD-PUBLIC, US
11776 881 1892 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:67 2:452 3:611 4:5 5:827 6:149
7:5 8:641 11:171 12:999 13:293 14:140
15:300 16:242 17:5 18:889 20:168 21:4
22:188 23:2581 24:723 27:27 29:19 31:472
32:18 34:12 35:134 36:1229 37:1079 38:2102
39:541 40:56 41:919 42:222 43:193 44:44
45:3986 46:955 47:83 49:19 50:357 51:383
52:1385 54:273 55:1041 56:11 57:19 58:47
59:32 60:16 61:74 62:549 63:773 64:1969
65:1077 66:1609 67:1003 68:451 69:1246 70:427
71:217 72:765 74:989 75:432 76:232 77:478
78:335 79:276 80:300 81:352 82:767 83:240
84:361 85:495 86:236 87:245 88:278 89:826
90:105 91:959 92:673 93:453 94:924 95:674
96:323 97:64 98:470 99:157 100:36 101:19
102:430 103:1279 104:1427 105:135 106:33 107:1497
108:537 109:406 110:64 111:1910 112:450 113:34
114:59 115:15 116:57 117:1034 118:155 119:131
120:1163 121:43 122:128 123:150 124:57 125:25
128:473 129:285 130:672 131:931 132:562 133:213
134:499 135:112 136:588 137:498 138:920 139:436
140:714 141:436 142:1025 143:667 144:424 145:107
146:695 147:509 148:863 149:789 150:371 151:636
152:522 153:128 154:1569 155:801 156:1235 157:381
158:518 159:686 160:829 161:695 162:976 163:361
164:716 165:821 166:759 167:642 168:1198 169:149
170:1663 171:121 172:1383 173:809 174:256 175:56
176:848 177:1063 178:501 179:747 180:50 181:1787
182:30 183:861 184:515 185:3363 186:2168 187:1462
188:785 189:1777 190:4419 191:452 192:5161 193:1829
194:1207 195:942 196:793 197:1554 198:2684 199:4900
200:3634 201:3301 202:994 203:719 204:2165 205:1957
206:1554 207:1514 208:1363 209:1978 210:312 211:430
212:973 213:879 214:987 215:42 216:2520 217:427
218:522 219:19 220:26 221:304 222:32 223:727
End of report
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