[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Apr 13 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 13 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: 264894
Prefixes after maximum aggregation (per Origin AS): 115582
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 137494
Number of IPv4 prefixes with a valid ROA: 118633
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 146245
Total ASes present in the Internet Routing Table: 20349
Prefixes per ASN: 13.02
Origin-only ASes present in the Internet Routing Table: 17532
Origin ASes announcing only one prefix: 7847
Transit ASes present in the Internet Routing Table: 2817
Transit-only ASes present in the Internet Routing Table: 738
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: 318
Number of instances of unregistered ASNs: 319
Number of 32-bit ASNs allocated by the RIRs: 46183
Number of 32-bit ASNs visible in the Routing Table: 7923
Prefixes from 32-bit ASNs in the Routing Table: 29834
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: 121
Number of addresses announced to Internet: 1556670685
Equivalent to 92 /8s, 200 /16s and 232 /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: 84488
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31810
Total APNIC prefixes after maximum aggregation: 7468
APNIC Deaggregation factor: 4.26
Prefixes being announced from the APNIC address blocks: 30493
Unique aggregates announced from the APNIC address blocks: 7920
APNIC Region origin ASes present in the Internet Routing Table: 1185
APNIC Prefixes per ASN: 25.73
APNIC Region origin ASes announcing only one prefix: 470
APNIC Region transit ASes present in the Internet Routing Table: 201
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 547
Number of APNIC addresses announced to Internet: 168712556
Equivalent to 10 /8s, 14 /16s and 89 /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: 125118
Total ARIN prefixes after maximum aggregation: 64293
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122450
Unique aggregates announced from the ARIN address blocks: 65724
ARIN Region origin ASes present in the Internet Routing Table: 9346
ARIN Prefixes per ASN: 13.10
ARIN Region origin ASes announcing only one prefix: 3885
ARIN Region transit ASes present in the Internet Routing Table: 872
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: 2163
Number of ARIN addresses announced to Internet: 964724705
Equivalent to 57 /8s, 128 /16s and 135 /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: 49486
Total RIPE prefixes after maximum aggregation: 26904
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 51161
Unique aggregates announced from the RIPE address blocks: 37629
RIPE Region origin ASes present in the Internet Routing Table: 4637
RIPE Prefixes per ASN: 11.03
RIPE Region origin ASes announcing only one prefix: 1942
RIPE Region transit ASes present in the Internet Routing Table: 697
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: 1890
Number of RIPE addresses announced to Internet: 280904272
Equivalent to 16 /8s, 190 /16s and 66 /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: 47651
Total LACNIC prefixes after maximum aggregation: 14430
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 46561
Unique aggregates announced from the LACNIC address blocks: 21745
LACNIC Region origin ASes present in the Internet Routing Table: 4025
LACNIC Prefixes per ASN: 11.57
LACNIC Region origin ASes announcing only one prefix: 1437
LACNIC Region transit ASes present in the Internet Routing Table: 830
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: 3164
Number of LACNIC addresses announced to Internet: 98649920
Equivalent to 5 /8s, 225 /16s and 71 /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: 10511
Total AfriNIC prefixes after maximum aggregation: 2267
AfriNIC Deaggregation factor: 4.64
Prefixes being announced from the AfriNIC address blocks: 14108
Unique aggregates announced from the AfriNIC address blocks: 4360
AfriNIC Region origin ASes present in the Internet Routing Table: 288
AfriNIC Prefixes per ASN: 48.99
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: 6.6
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 159
Number of AfriNIC addresses announced to Internet: 43627776
Equivalent to 2 /8s, 153 /16s and 181 /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 500 32 207 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 13147 39688 4098 AMAZON-02, US
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2622 197 1595 USDA-1, US
367 2463 2889 1190 DNIC-ASBLK-00306-00371, US
36352 2389 198 1071 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 1666 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 1161 91 955 AKAMAI-ASN1, NL
34984 928 91 518 TELLCOM-AS, TR
3257 926 2075 747 GTT-BACKBONE GTT, US
3215 894 4810 293 France Telecom - Orange, FR
25019 852 1299 129 SAUDINETSTC-AS, SA
8452 643 1842 17 TE-AS TE-AS, EG
203214 607 45 354 HULUMTELE, IQ
8376 579 53 22 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 7375 2022 1005 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 1194 371 22 Telefonica del Peru S.A.A., PE
26615 987 2503 52 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 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 1485 389 16 LINKdotNET-AS, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 954 100 75 ORANGE-COTE-IVOIRE, CI
24835 877 512 38 RAYA-AS, EG
36935 720 522 55 Vodafone-, EG
36992 602 1229 124 ETISALAT-MISR, EG
37069 572 1046 15 MOBINIL, EG
36914 542 82 3 KENET-AS, KE
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 13147 39688 4098 AMAZON-02, US
9808 10121 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7375 2022 1005 UNINET, MX
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2622 197 1595 USDA-1, US
367 2463 2889 1190 DNIC-ASBLK-00306-00371, US
36352 2389 198 1071 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 7375 6370 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 1485 1469 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 /10:29 /11:42 /12:151
/13:216 /14:577 /15:1100 /16:7581 /17:3443 /18:4203
/19:7698 /20:12489 /21:15461 /22:27993 /23:27757 /24:155916
/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 3888 7375 UNINET, MX
22773 2534 3394 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2332 13147 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 2389 AS-COLOCROSSING, US
209 965 1666 CENTURYLINK-US-LEGACY-QWEST, US
19901 945 1199 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 2:454 3:610 4:5 5:830 6:150
7:5 8:635 11:171 12:995 13:295 14:138
15:300 16:241 17:5 18:889 20:168 21:4
22:188 23:2522 24:707 27:26 29:19 31:473
32:18 34:12 35:134 36:1229 37:1089 38:2087
39:541 40:56 41:923 42:221 43:193 44:33
45:4018 46:958 47:83 49:18 50:356 51:383
52:1385 54:273 55:1089 56:11 57:17 58:46
59:32 60:16 61:73 62:561 63:773 64:1881
65:1083 66:1577 67:995 68:419 69:1165 70:427
71:214 72:776 74:975 75:427 76:249 77:477
78:335 79:275 80:300 81:352 82:765 83:241
84:368 85:492 86:237 87:251 88:277 89:838
90:104 91:971 92:680 93:453 94:936 95:674
96:287 97:64 98:468 99:159 100:35 101:23
102:439 103:1202 104:1430 105:142 106:33 107:1507
108:531 109:416 110:64 111:1905 112:450 113:40
114:58 115:14 116:58 117:1034 118:164 119:131
120:1163 121:43 122:127 123:152 124:57 125:25
128:472 129:284 130:671 131:931 132:565 133:213
134:490 135:115 136:580 137:496 138:914 139:436
140:714 141:434 142:1029 143:666 144:421 145:112
146:690 147:508 148:864 149:764 150:373 151:636
152:510 153:128 154:1567 155:812 156:1243 157:369
158:514 159:689 160:829 161:707 162:985 163:357
164:716 165:831 166:762 167:639 168:1191 169:149
170:1631 171:122 172:1380 173:819 174:253 175:43
176:854 177:1060 178:504 179:747 180:50 181:1791
182:21 183:861 184:493 185:3393 186:2165 187:1459
188:782 189:1776 190:4417 191:444 192:5161 193:1831
194:1214 195:949 196:795 197:1544 198:2683 199:4905
200:3664 201:3366 202:986 203:728 204:2166 205:1957
206:1547 207:1498 208:1370 209:1977 210:296 211:430
212:980 213:885 214:984 215:42 216:2497 217:429
218:522 219:19 220:26 221:304 222:32 223:728
End of report
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