[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 22 20:16:18 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 22 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: 264821
Prefixes after maximum aggregation (per Origin AS): 116275
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135725
Number of IPv4 prefixes with a valid ROA: 119438
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 145342
Total ASes present in the Internet Routing Table: 19828
Prefixes per ASN: 13.36
Origin-only ASes present in the Internet Routing Table: 17148
Origin ASes announcing only one prefix: 7773
Transit ASes present in the Internet Routing Table: 2680
Transit-only ASes present in the Internet Routing Table: 710
Paths with bogon ASNs present in the IPv4 Routing Table: 9
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: 314
Number of instances of unregistered ASNs: 318
Number of 32-bit ASNs allocated by the RIRs: 46491
Number of 32-bit ASNs visible in the Routing Table: 7491
Prefixes from 32-bit ASNs in the Routing Table: 28286
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 1559187165
Equivalent to 92 /8s, 239 /16s and 78 /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: 83630
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32805
Total APNIC prefixes after maximum aggregation: 7601
APNIC Deaggregation factor: 4.32
Prefixes being announced from the APNIC address blocks: 31236
Unique aggregates announced from the APNIC address blocks: 7739
APNIC Region origin ASes present in the Internet Routing Table: 1227
APNIC Prefixes per ASN: 25.46
APNIC Region origin ASes announcing only one prefix: 478
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: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 563
Number of APNIC addresses announced to Internet: 167765356
Equivalent to 9 /8s, 255 /16s and 229 /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: 125774
Total ARIN prefixes after maximum aggregation: 65996
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 122841
Unique aggregates announced from the ARIN address blocks: 66333
ARIN Region origin ASes present in the Internet Routing Table: 9352
ARIN Prefixes per ASN: 13.14
ARIN Region origin ASes announcing only one prefix: 3899
ARIN Region transit ASes present in the Internet Routing Table: 867
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: 2194
Number of ARIN addresses announced to Internet: 961029601
Equivalent to 57 /8s, 72 /16s and 37 /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: 49778
Total RIPE prefixes after maximum aggregation: 26679
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 51495
Unique aggregates announced from the RIPE address blocks: 37333
RIPE Region origin ASes present in the Internet Routing Table: 4614
RIPE Prefixes per ASN: 11.16
RIPE Region origin ASes announcing only one prefix: 1955
RIPE Region transit ASes present in the Internet Routing Table: 692
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1898
Number of RIPE addresses announced to Internet: 286097232
Equivalent to 17 /8s, 13 /16s and 127 /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: 45201
Total LACNIC prefixes after maximum aggregation: 13416
LACNIC Deaggregation factor: 3.37
Prefixes being announced from the LACNIC address blocks: 44392
Unique aggregates announced from the LACNIC address blocks: 19991
LACNIC Region origin ASes present in the Internet Routing Table: 3512
LACNIC Prefixes per ASN: 12.64
LACNIC Region origin ASes announcing only one prefix: 1332
LACNIC Region transit ASes present in the Internet Routing Table: 714
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: 2684
Number of LACNIC addresses announced to Internet: 97468992
Equivalent to 5 /8s, 207 /16s and 66 /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: 10949
Total AfriNIC prefixes after maximum aggregation: 2370
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 14742
Unique aggregates announced from the AfriNIC address blocks: 4215
AfriNIC Region origin ASes present in the Internet Routing Table: 286
AfriNIC Prefixes per ASN: 51.55
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 78
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: 152
Number of AfriNIC addresses announced to Internet: 46775296
Equivalent to 2 /8s, 201 /16s and 188 /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 10900 8756 95 CHINAMOBILE-CN China Mobile Communication
56046 1849 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1586 715 80 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1487 192 53 CMNET-HUNAN-AP China Mobile communication
24547 863 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
17561 821 52 385 LCS-AS-AP LARUS Limited, HK
24444 778 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 605 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 522 852 139 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 13457 40824 5095 AMAZON-02, US
22773 3348 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2738 208 1680 USDA-1, US
36352 2566 210 1130 AS-COLOCROSSING, US
367 2435 2911 1168 DNIC-ASBLK-00306-00371, US
7018 2075 22883 1528 ATT-INTERNET4, US
11776 1896 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1875 3828 492 CELLCO-PART, US
209 1661 4889 271 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 1179 92 964 AKAMAI-ASN1, NL
3257 929 2076 746 GTT-BACKBONE GTT, US
3215 894 4818 289 France Telecom - Orange, FR
25019 818 1301 129 SAUDINETSTC-AS, SA
8452 779 1841 16 TE-AS TE-AS, EG
34984 689 77 411 TELLCOM-AS, TR
212238 621 44 547 CDNEXT, GB
203214 593 44 384 HULUMTELE, IQ
8376 573 53 21 Jordan Data Communications, JO
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 7443 2005 991 UNINET, MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
10620 1902 280 1293 Telmex Colombia S.A., CO
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
26615 1031 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 647 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 1480 389 16 LINKdotNET-AS, EG
24835 1025 535 35 RAYA-AS, EG
29571 984 100 74 ORANGE-COTE-IVOIRE, CI
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36992 603 1228 124 ETISALAT-MISR, EG
36935 597 126 167 Vodafone-, EG
36914 547 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 461 207 333 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 13457 40824 5095 AMAZON-02, US
9808 10900 8756 95 CHINAMOBILE-CN China Mobile Communication
8151 7443 2005 991 UNINET, MX
22773 3348 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2738 208 1680 USDA-1, US
36352 2566 210 1130 AS-COLOCROSSING, US
367 2435 2911 1168 DNIC-ASBLK-00306-00371, US
7018 2075 22883 1528 ATT-INTERNET4, US
11830 1990 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 10900 10805 CHINAMOBILE-CN China Mobile Communications Grou
8151 7443 6452 UNINET, MX
22773 3348 3182 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1990 1926 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1896 1680 ATLANTICBB-JOHNSTOWN, US
56046 1849 1663 CMNET-JIANGSU-AP China Mobile communications co
56041 1586 1506 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1480 1464 LINKdotNET-AS, EG
36352 2566 1436 AS-COLOCROSSING, US
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
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
41.204.224.0/24 Origin: 36911 RESERVED, ZZ
41.204.224.0/24 Transit: 328766 RESERVED, ZZ
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 /10:30 /11:41 /12:150
/13:209 /14:573 /15:1100 /16:7644 /17:3460 /18:4238
/19:7660 /20:12491 /21:15292 /22:27577 /23:28051 /24:156019
/25:66 /26:99 /27:53 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3988 7443 UNINET, MX
22773 2499 3348 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2328 13457 AMAZON-02, US
11830 1693 1990 Instituto Costarricense de Electricidad y Telecom., CR
10620 1081 1902 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1044 2566 AS-COLOCROSSING, US
19901 978 1267 BRSPD-PUBLIC, US
209 964 1661 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1896 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:20 2:474 3:775 4:5 5:802 6:156
7:5 8:680 11:171 12:996 13:376 14:115
15:301 16:246 17:6 18:888 20:183 21:4
22:188 23:2593 24:641 27:23 29:19 31:525
32:9 33:1 34:10 35:136 36:1773 37:986
38:1894 39:553 40:62 41:969 42:21 43:212
44:36 45:3644 46:963 47:92 49:20 50:366
51:386 52:1390 54:311 55:1096 56:11 57:19
58:16 59:30 60:16 61:73 62:542 63:754
64:1923 65:1092 66:1532 67:951 68:398 69:1105
70:415 71:202 72:733 74:941 75:324 76:249
77:488 78:347 79:235 80:310 81:372 82:718
83:233 84:336 85:428 86:233 87:207 88:291
89:874 90:104 91:934 92:624 93:482 94:955
95:688 96:289 97:60 98:456 99:178 100:35
101:39 102:352 103:1237 104:1623 105:214 106:16
107:1527 108:550 109:400 110:35 111:1966 112:485
113:39 114:40 115:23 116:62 117:1043 118:70
119:132 120:1245 121:44 122:65 123:78 124:58
125:26 128:498 129:393 130:700 131:913 132:558
133:211 134:495 135:113 136:610 137:506 138:862
139:429 140:698 141:459 142:1024 143:677 144:434
145:135 146:674 147:516 148:870 149:761 150:355
151:648 152:492 153:129 154:1701 155:858 156:1346
157:382 158:549 159:734 160:815 161:668 162:988
163:431 164:716 165:783 166:781 167:623 168:1115
169:155 170:1556 171:120 172:1394 173:844 174:252
175:66 176:785 177:909 178:509 179:720 180:46
181:1827 182:29 183:955 184:450 185:3515 186:2085
187:1456 188:836 189:1792 190:4220 191:458 192:5203
193:1877 194:1242 195:938 196:709 197:1567 198:2732
199:4910 200:3633 201:3280 202:1010 203:764 204:2150
205:1949 206:1538 207:1517 208:1427 209:1964 210:297
211:436 212:1020 213:784 214:982 215:42 216:2546
217:426 218:523 219:19 220:28 221:350 222:31
223:802
End of report
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