[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri May 23 20:16:26 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 23 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: 264860
Prefixes after maximum aggregation (per Origin AS): 116320
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135885
Number of IPv4 prefixes with a valid ROA: 119668
Number of IPv4 prefixes with an invalid ROA: 42
Number of IPv4 prefixes with no ROA: 145150
Total ASes present in the Internet Routing Table: 19848
Prefixes per ASN: 13.34
Origin-only ASes present in the Internet Routing Table: 17157
Origin ASes announcing only one prefix: 7801
Transit ASes present in the Internet Routing Table: 2691
Transit-only ASes present in the Internet Routing Table: 703
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: 46499
Number of 32-bit ASNs visible in the Routing Table: 7509
Prefixes from 32-bit ASNs in the Routing Table: 28347
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: 117
Number of addresses announced to Internet: 1559917533
Equivalent to 92 /8s, 250 /16s and 115 /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: 83655
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32763
Total APNIC prefixes after maximum aggregation: 7569
APNIC Deaggregation factor: 4.33
Prefixes being announced from the APNIC address blocks: 31200
Unique aggregates announced from the APNIC address blocks: 7711
APNIC Region origin ASes present in the Internet Routing Table: 1228
APNIC Prefixes per ASN: 25.41
APNIC Region origin ASes announcing only one prefix: 482
APNIC Region transit ASes present in the Internet Routing Table: 207
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: 562
Number of APNIC addresses announced to Internet: 167732844
Equivalent to 9 /8s, 255 /16s and 102 /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: 125878
Total ARIN prefixes after maximum aggregation: 66014
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 122958
Unique aggregates announced from the ARIN address blocks: 66381
ARIN Region origin ASes present in the Internet Routing Table: 9364
ARIN Prefixes per ASN: 13.13
ARIN Region origin ASes announcing only one prefix: 3916
ARIN Region transit ASes present in the Internet Routing Table: 871
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: 961154785
Equivalent to 57 /8s, 74 /16s and 14 /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: 49692
Total RIPE prefixes after maximum aggregation: 26666
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 51411
Unique aggregates announced from the RIPE address blocks: 37291
RIPE Region origin ASes present in the Internet Routing Table: 4604
RIPE Prefixes per ASN: 11.17
RIPE Region origin ASes announcing only one prefix: 1949
RIPE Region transit ASes present in the Internet Routing Table: 690
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: 1894
Number of RIPE addresses announced to Internet: 286045776
Equivalent to 17 /8s, 12 /16s and 182 /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: 45263
Total LACNIC prefixes after maximum aggregation: 13446
LACNIC Deaggregation factor: 3.37
Prefixes being announced from the LACNIC address blocks: 44423
Unique aggregates announced from the LACNIC address blocks: 20022
LACNIC Region origin ASes present in the Internet Routing Table: 3533
LACNIC Prefixes per ASN: 12.57
LACNIC Region origin ASes announcing only one prefix: 1344
LACNIC Region transit ASes present in the Internet Routing Table: 721
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: 2705
Number of LACNIC addresses announced to Internet: 97456192
Equivalent to 5 /8s, 207 /16s and 16 /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: 10950
Total AfriNIC prefixes after maximum aggregation: 2412
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 14751
Unique aggregates announced from the AfriNIC address blocks: 4364
AfriNIC Region origin ASes present in the Internet Routing Table: 289
AfriNIC Prefixes per ASN: 51.04
AfriNIC Region origin ASes announcing only one prefix: 110
AfriNIC Region transit ASes present in the Internet Routing Table: 79
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: 154
Number of AfriNIC addresses announced to Internet: 47476736
Equivalent to 2 /8s, 212 /16s and 112 /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 13469 40824 5106 AMAZON-02, US
22773 3346 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2754 209 1689 USDA-1, US
36352 2570 211 1132 AS-COLOCROSSING, US
367 2438 2910 1170 DNIC-ASBLK-00306-00371, US
7018 2074 22883 1527 ATT-INTERNET4, US
11776 1898 259 211 ATLANTICBB-JOHNSTOWN, US
6167 1876 3829 493 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 1182 92 966 AKAMAI-ASN1, NL
3257 929 2076 746 GTT-BACKBONE GTT, US
3215 894 4818 289 France Telecom - Orange, FR
25019 817 1301 129 SAUDINETSTC-AS, SA
8452 779 1841 16 TE-AS TE-AS, EG
34984 689 77 411 TELLCOM-AS, TR
212238 622 44 548 CDNEXT, GB
203214 594 44 384 HULUMTELE, IQ
8376 574 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 7441 2004 983 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 1033 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
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 910 99 69 ORANGE-COTE-IVOIRE, CI
36992 603 1228 124 ETISALAT-MISR, EG
36935 597 126 167 Vodafone-, EG
36914 557 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 457 205 331 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 13469 40824 5106 AMAZON-02, US
9808 10900 8756 95 CHINAMOBILE-CN China Mobile Communication
8151 7441 2004 983 UNINET, MX
22773 3346 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2754 209 1689 USDA-1, US
36352 2570 211 1132 AS-COLOCROSSING, US
367 2438 2910 1170 DNIC-ASBLK-00306-00371, US
7018 2074 22883 1527 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 7441 6458 UNINET, MX
22773 3346 3182 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1990 1926 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1898 1687 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 2570 1438 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
23.143.96.0/24 Origin: 15830 EQUINIX, NL
23.143.96.0/24 Transit: 2914 NTT-DATA-2914, 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
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 /16:7645 /17:3468 /18:4251
/19:7689 /20:12481 /21:15295 /22:27585 /23:28086 /24:156009
/25:62 /26:82 /27:36 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3996 7441 UNINET, MX
22773 2499 3346 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 13469 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 1045 2570 AS-COLOCROSSING, US
19901 983 1272 BRSPD-PUBLIC, US
209 964 1661 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1898 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 2:477 3:778 4:5 5:801 6:156
7:5 8:681 11:171 12:993 13:374 14:116
15:301 16:247 17:6 18:888 20:183 21:4
22:188 23:2596 24:641 27:21 29:19 31:517
32:9 33:1 34:10 35:136 36:1768 37:986
38:1887 39:553 40:62 41:977 42:21 43:208
44:37 45:3622 46:962 47:92 49:20 50:364
51:386 52:1393 54:313 55:1060 56:11 57:18
58:16 59:30 60:16 61:73 62:543 63:753
64:1928 65:1096 66:1544 67:967 68:399 69:1110
70:415 71:201 72:734 74:941 75:324 76:248
77:486 78:348 79:234 80:310 81:371 82:719
83:234 84:337 85:427 86:233 87:207 88:291
89:866 90:104 91:928 92:625 93:481 94:946
95:688 96:289 97:60 98:456 99:178 100:35
101:39 102:355 103:1237 104:1624 105:214 106:16
107:1526 108:548 109:392 110:35 111:1966 112:485
113:39 114:40 115:23 116:62 117:1044 118:70
119:135 120:1245 121:44 122:65 123:78 124:57
125:26 128:496 129:393 130:698 131:916 132:547
133:211 134:497 135:113 136:611 137:505 138:919
139:433 140:700 141:460 142:1025 143:680 144:435
145:132 146:674 147:514 148:870 149:760 150:351
151:651 152:491 153:129 154:1698 155:863 156:1338
157:379 158:561 159:731 160:779 161:666 162:992
163:431 164:717 165:781 166:793 167:623 168:1111
169:156 170:1561 171:120 172:1378 173:848 174:250
175:63 176:786 177:906 178:509 179:718 180:46
181:1823 182:29 183:955 184:450 185:3521 186:2084
187:1462 188:838 189:1810 190:4224 191:453 192:5190
193:1874 194:1245 195:935 196:702 197:1574 198:2735
199:4921 200:3621 201:3275 202:1011 203:765 204:2148
205:1959 206:1537 207:1520 208:1433 209:1966 210:297
211:436 212:1041 213:783 214:980 215:42 216:2537
217:426 218:523 219:19 220:28 221:350 222:31
223:801
End of report
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