[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 21 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 21 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: 264940
Prefixes after maximum aggregation (per Origin AS): 116190
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 138110
Number of IPv4 prefixes with a valid ROA: 118103
Number of IPv4 prefixes with an invalid ROA: 27
Number of IPv4 prefixes with no ROA: 146810
Total ASes present in the Internet Routing Table: 20035
Prefixes per ASN: 13.22
Origin-only ASes present in the Internet Routing Table: 17315
Origin ASes announcing only one prefix: 7821
Transit ASes present in the Internet Routing Table: 2720
Transit-only ASes present in the Internet Routing Table: 715
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: 346
Number of instances of unregistered ASNs: 347
Number of 32-bit ASNs allocated by the RIRs: 46256
Number of 32-bit ASNs visible in the Routing Table: 7518
Prefixes from 32-bit ASNs in the Routing Table: 28373
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: 150
Number of addresses announced to Internet: 1561276861
Equivalent to 93 /8s, 15 /16s and 49 /24s
Percentage of available address space announced: 42.2
Percentage of allocated address space announced: 42.2
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: 83945
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31636
Total APNIC prefixes after maximum aggregation: 7338
APNIC Deaggregation factor: 4.31
Prefixes being announced from the APNIC address blocks: 30389
Unique aggregates announced from the APNIC address blocks: 7845
APNIC Region origin ASes present in the Internet Routing Table: 1212
APNIC Prefixes per ASN: 25.07
APNIC Region origin ASes announcing only one prefix: 482
APNIC Region transit ASes present in the Internet Routing Table: 209
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: 557
Number of APNIC addresses announced to Internet: 168969580
Equivalent to 10 /8s, 18 /16s and 69 /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: 128367
Total ARIN prefixes after maximum aggregation: 66357
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 125698
Unique aggregates announced from the ARIN address blocks: 68030
ARIN Region origin ASes present in the Internet Routing Table: 9569
ARIN Prefixes per ASN: 13.14
ARIN Region origin ASes announcing only one prefix: 3948
ARIN Region transit ASes present in the Internet Routing Table: 892
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: 2234
Number of ARIN addresses announced to Internet: 972028609
Equivalent to 57 /8s, 239 /16s and 250 /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: 49275
Total RIPE prefixes after maximum aggregation: 26599
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 50714
Unique aggregates announced from the RIPE address blocks: 37169
RIPE Region origin ASes present in the Internet Routing Table: 4620
RIPE Prefixes per ASN: 10.98
RIPE Region origin ASes announcing only one prefix: 1939
RIPE Region transit ASes present in the Internet Routing Table: 691
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: 1888
Number of RIPE addresses announced to Internet: 280444496
Equivalent to 16 /8s, 183 /16s and 62 /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: 45089
Total LACNIC prefixes after maximum aggregation: 13449
LACNIC Deaggregation factor: 3.35
Prefixes being announced from the LACNIC address blocks: 44188
Unique aggregates announced from the LACNIC address blocks: 20362
LACNIC Region origin ASes present in the Internet Routing Table: 3518
LACNIC Prefixes per ASN: 12.56
LACNIC Region origin ASes announcing only one prefix: 1343
LACNIC Region transit ASes present in the Internet Routing Table: 713
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2693
Number of LACNIC addresses announced to Internet: 97099584
Equivalent to 5 /8s, 201 /16s and 159 /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: 10227
Total AfriNIC prefixes after maximum aggregation: 2222
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 13801
Unique aggregates announced from the AfriNIC address blocks: 4572
AfriNIC Region origin ASes present in the Internet Routing Table: 268
AfriNIC Prefixes per ASN: 51.50
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 75
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: 146
Number of AfriNIC addresses announced to Internet: 42679040
Equivalent to 2 /8s, 139 /16s and 59 /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 10162 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1590 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1569 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 771 500 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
45102 566 879 138 ALIBABA-CN-NET Alibaba US Technology Co.,
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17676 463 8767 152 GIGAINFRA SoftBank Corp., JP
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 13242 39710 4111 AMAZON-02, US
22773 3392 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2645 202 1614 USDA-1, US
36352 2462 204 1099 AS-COLOCROSSING, US
367 2371 2877 1175 DNIC-ASBLK-00306-00371, US
7018 2127 22901 1561 ATT-INTERNET4, US
11776 1891 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1831 3625 459 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 1297 100 1044 AKAMAI-ASN1, NL
3257 930 2075 747 GTT-BACKBONE GTT, US
34984 927 92 519 TELLCOM-AS, TR
3215 893 4810 292 France Telecom - Orange, FR
25019 849 1299 129 SAUDINETSTC-AS, SA
8452 656 1842 17 TE-AS TE-AS, EG
8376 580 53 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 561 40 494 CDNEXT, GB
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 7390 2025 1010 UNINET, MX
11830 1968 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 1191 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
11172 717 122 78 Alestra, S. de R.L. de C.V., MX
27651 648 94 35 ENTEL CHILE S.A., CL
28006 642 77 294 CORPORACION NACIONAL DE TELECOMUNICACIONE
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
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 970 100 75 ORANGE-COTE-IVOIRE, CI
24835 879 528 38 RAYA-AS, EG
36935 700 519 48 Vodafone-, EG
36992 604 1228 124 ETISALAT-MISR, EG
36914 541 82 3 KENET-AS, KE
37069 465 1046 15 MOBINIL, EG
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 13242 39710 4111 AMAZON-02, US
9808 10162 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7390 2025 1010 UNINET, MX
22773 3392 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2645 202 1614 USDA-1, US
36352 2462 204 1099 AS-COLOCROSSING, US
367 2371 2877 1175 DNIC-ASBLK-00306-00371, US
7018 2127 22901 1561 ATT-INTERNET4, US
11830 1968 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 10162 10074 CHINAMOBILE-CN China Mobile Communications Grou
8151 7390 6380 UNINET, MX
22773 3392 3213 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1968 1904 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1891 1675 ATLANTICBB-JOHNSTOWN, US
56041 1569 1491 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1480 1464 LINKdotNET-AS, EG
56047 1483 1430 CMNET-HUNAN-AP China Mobile communications corp
56046 1590 1404 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 /12:150
/13:216 /14:577 /15:1097 /16:7599 /17:3471 /18:4268
/19:7819 /20:12605 /21:15600 /22:27953 /23:27767 /24:155509
/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 3898 7390 UNINET, MX
22773 2532 3392 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2357 13242 AMAZON-02, US
11830 1677 1968 Instituto Costarricense de Electricidad y Telecom., CR
10620 1088 1929 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 993 2462 AS-COLOCROSSING, US
209 964 1665 CENTURYLINK-US-LEGACY-QWEST, US
19901 947 1211 BRSPD-PUBLIC, US
11776 881 1891 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:66 2:455 3:614 4:5 5:828 6:155
7:5 8:646 11:171 12:1000 13:298 14:110
15:301 16:244 17:5 18:891 20:172 21:4
22:188 23:2673 24:666 27:21 29:19 31:456
32:10 34:10 35:133 36:1228 37:1001 38:1957
39:549 40:62 41:892 42:203 43:190 44:51
45:3633 46:942 47:98 49:18 50:363 51:383
52:1392 54:274 55:1012 56:11 57:20 58:45
59:43 60:16 61:72 62:559 63:782 64:2053
65:1098 66:1638 67:991 68:438 69:1202 70:425
71:210 72:786 74:1010 75:432 76:261 77:472
78:331 79:280 80:300 81:360 82:768 83:251
84:363 85:486 86:238 87:245 88:280 89:800
90:105 91:977 92:604 93:449 94:950 95:665
96:303 97:65 98:481 99:160 100:37 101:23
102:380 103:1243 104:1493 105:138 106:16 107:1501
108:543 109:388 110:35 111:1915 112:450 113:36
114:44 115:14 116:57 117:1034 118:70 119:132
120:1166 121:44 122:65 123:72 124:54 125:25
128:480 129:305 130:686 131:891 132:566 133:213
134:507 135:118 136:600 137:506 138:855 139:446
140:714 141:443 142:1038 143:661 144:430 145:113
146:690 147:532 148:943 149:774 150:374 151:629
152:529 153:131 154:1636 155:800 156:1292 157:369
158:541 159:687 160:842 161:717 162:1035 163:373
164:712 165:811 166:804 167:644 168:1130 169:163
170:1539 171:125 172:1422 173:897 174:265 175:52
176:864 177:881 178:516 179:675 180:48 181:1721
182:28 183:860 184:497 185:3407 186:1993 187:1361
188:761 189:1765 190:4183 191:415 192:5254 193:1850
194:1224 195:935 196:778 197:1554 198:2765 199:4942
200:3697 201:3419 202:993 203:729 204:2214 205:1943
206:1572 207:1533 208:1466 209:1979 210:310 211:430
212:956 213:852 214:987 215:42 216:2618 217:428
218:518 219:19 220:26 221:304 222:32 223:741
End of report
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