[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 9 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 09 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: 263238
Prefixes after maximum aggregation (per Origin AS): 115402
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 136167
Number of IPv4 prefixes with a valid ROA: 118520
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 144701
Total ASes present in the Internet Routing Table: 20416
Prefixes per ASN: 12.89
Origin-only ASes present in the Internet Routing Table: 17595
Origin ASes announcing only one prefix: 7877
Transit ASes present in the Internet Routing Table: 2821
Transit-only ASes present in the Internet Routing Table: 740
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: 26
Max AS path prepend of ASN ( 28154) 19
Prefixes from unregistered ASNs in the Routing Table: 319
Number of instances of unregistered ASNs: 320
Number of 32-bit ASNs allocated by the RIRs: 46148
Number of 32-bit ASNs visible in the Routing Table: 7981
Prefixes from 32-bit ASNs in the Routing Table: 29925
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: 118
Number of addresses announced to Internet: 1557158109
Equivalent to 92 /8s, 208 /16s and 88 /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: 83893
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31823
Total APNIC prefixes after maximum aggregation: 7477
APNIC Deaggregation factor: 4.26
Prefixes being announced from the APNIC address blocks: 30643
Unique aggregates announced from the APNIC address blocks: 8004
APNIC Region origin ASes present in the Internet Routing Table: 1236
APNIC Prefixes per ASN: 24.79
APNIC Region origin ASes announcing only one prefix: 493
APNIC Region transit ASes present in the Internet Routing Table: 205
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: 580
Number of APNIC addresses announced to Internet: 168812396
Equivalent to 10 /8s, 15 /16s and 223 /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: 123590
Total ARIN prefixes after maximum aggregation: 63954
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 121021
Unique aggregates announced from the ARIN address blocks: 64590
ARIN Region origin ASes present in the Internet Routing Table: 9343
ARIN Prefixes per ASN: 12.95
ARIN Region origin ASes announcing only one prefix: 3878
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: 2168
Number of ARIN addresses announced to Internet: 964668129
Equivalent to 57 /8s, 127 /16s and 170 /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: 49591
Total RIPE prefixes after maximum aggregation: 27091
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 51246
Unique aggregates announced from the RIPE address blocks: 37619
RIPE Region origin ASes present in the Internet Routing Table: 4640
RIPE Prefixes per ASN: 11.04
RIPE Region origin ASes announcing only one prefix: 1941
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: 1897
Number of RIPE addresses announced to Internet: 281356368
Equivalent to 16 /8s, 197 /16s and 40 /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: 47662
Total LACNIC prefixes after maximum aggregation: 14440
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 46577
Unique aggregates announced from the LACNIC address blocks: 21752
LACNIC Region origin ASes present in the Internet Routing Table: 4047
LACNIC Prefixes per ASN: 11.51
LACNIC Region origin ASes announcing only one prefix: 1452
LACNIC Region transit ASes present in the Internet Routing Table: 831
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: 3185
Number of LACNIC addresses announced to Internet: 98727232
Equivalent to 5 /8s, 226 /16s and 117 /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: 10253
Total AfriNIC prefixes after maximum aggregation: 2219
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 13633
Unique aggregates announced from the AfriNIC address blocks: 4089
AfriNIC Region origin ASes present in the Internet Routing Table: 281
AfriNIC Prefixes per ASN: 48.52
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 77
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 151
Number of AfriNIC addresses announced to Internet: 43545856
Equivalent to 2 /8s, 152 /16s and 117 /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 10122 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1585 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 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 521 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 494 32 208 LCS-AS-AP LARUS Limited, HK
45102 478 762 136 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 12995 39642 3942 AMAZON-02, US
22773 3397 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2619 196 1590 USDA-1, US
367 2482 2893 1204 DNIC-ASBLK-00306-00371, US
7018 2212 22907 1578 ATT-INTERNET4, US
11776 1892 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1830 3621 458 CELLCO-PART, US
209 1667 4890 275 CENTURYLINK-US-LEGACY-QWEST, US
20057 1431 1047 109 ATT-MOBILITY-LLC-AS20057, 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 1257 99 1013 AKAMAI-ASN1, NL
3257 926 2075 747 GTT-BACKBONE GTT, US
3215 894 4810 293 France Telecom - Orange, FR
25019 848 1299 129 SAUDINETSTC-AS, SA
34984 645 71 466 TELLCOM-AS, TR
8452 621 1842 17 TE-AS TE-AS, EG
203214 596 44 362 HULUMTELE, IQ
8376 573 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 7356 2020 1001 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1943 288 1302 Telmex Colombia S.A., CO
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 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 642 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 543 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 1484 389 16 LINKdotNET-AS, EG
29571 1028 100 74 ORANGE-COTE-IVOIRE, CI
20011 981 185 285 INTERNET-SOLUTIONS, ZA
24835 806 504 37 RAYA-AS, EG
36935 711 522 55 Vodafone-, EG
36992 602 1229 124 ETISALAT-MISR, EG
36914 549 82 3 KENET-AS, KE
37069 465 1046 15 MOBINIL, EG
36903 410 192 301 MT-MPLS, MA
2018 371 318 68 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 12995 39642 3942 AMAZON-02, US
9808 10122 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7356 2020 1001 UNINET, MX
22773 3397 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2619 196 1590 USDA-1, US
367 2482 2893 1204 DNIC-ASBLK-00306-00371, US
7018 2212 22907 1578 ATT-INTERNET4, US
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1943 288 1302 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 10122 10034 CHINAMOBILE-CN China Mobile Communications Grou
8151 7356 6355 UNINET, MX
22773 3397 3217 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 1484 1468 LINKdotNET-AS, EG
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
56046 1585 1398 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
399014 UNALLOCATED 12.5.134.0/24 7018 ATT-INTERNET4, US
399953 UNALLOCATED 12.9.122.0/24 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 /11:42 /12:151
/13:216 /14:577 /15:1100 /16:7580 /17:3449 /18:4209
/19:7690 /20:12407 /21:15487 /22:28009 /23:27677 /24:154375
/25:62 /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 3873 7356 UNINET, MX
22773 2536 3397 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2332 12995 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
10620 1098 1943 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
209 966 1667 CENTURYLINK-US-LEGACY-QWEST, US
19901 944 1198 BRSPD-PUBLIC, US
11776 881 1892 ATLANTICBB-JOHNSTOWN, US
20011 868 981 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:64 2:479 3:607 4:5 5:825 6:150
7:5 8:638 11:171 12:998 13:294 14:137
15:301 16:241 17:5 18:889 20:167 21:4
22:188 23:2376 24:697 27:26 29:19 31:502
32:18 34:10 35:133 36:1229 37:1064 38:1919
39:543 40:56 41:909 42:218 43:204 44:34
45:4012 46:934 47:83 49:18 50:357 51:383
52:1382 54:275 55:879 56:11 57:17 58:45
59:29 60:16 61:73 62:556 63:775 64:1884
65:1088 66:1570 67:971 68:418 69:1153 70:427
71:209 72:769 74:975 75:427 76:244 77:473
78:334 79:275 80:293 81:341 82:764 83:233
84:359 85:484 86:235 87:252 88:283 89:845
90:104 91:1001 92:682 93:456 94:939 95:727
96:268 97:64 98:463 99:159 100:34 101:18
102:387 103:1280 104:1332 105:142 106:33 107:1204
108:537 109:410 110:59 111:1916 112:451 113:40
114:58 115:15 116:56 117:1035 118:163 119:129
120:1163 121:42 122:134 123:157 124:57 125:24
128:467 129:284 130:672 131:918 132:563 133:213
134:493 135:117 136:580 137:495 138:913 139:435
140:701 141:435 142:970 143:672 144:425 145:109
146:680 147:505 148:859 149:764 150:376 151:637
152:494 153:127 154:1388 155:800 156:1191 157:368
158:539 159:712 160:842 161:709 162:982 163:355
164:720 165:806 166:754 167:635 168:1158 169:148
170:1636 171:119 172:1382 173:787 174:249 175:53
176:605 177:1054 178:507 179:748 180:50 181:1781
182:32 183:861 184:497 185:3410 186:2169 187:1459
188:788 189:1776 190:4421 191:441 192:5057 193:1859
194:1233 195:964 196:797 197:1546 198:2651 199:4915
200:3693 201:3350 202:983 203:720 204:2157 205:1954
206:1557 207:1497 208:1362 209:1992 210:309 211:431
212:1058 213:871 214:1002 215:42 216:2477 217:430
218:521 219:19 220:20 221:302 222:32 223:723
End of report
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