[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 11 20:17:07 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 11 Mar, 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: 263405
Prefixes after maximum aggregation (per Origin AS): 114502
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 137020
Number of IPv4 prefixes with a valid ROA: 119509
Number of IPv4 prefixes with an invalid ROA: 24
Number of IPv4 prefixes with no ROA: 143872
Total ASes present in the Internet Routing Table: 20442
Prefixes per ASN: 12.89
Origin-only ASes present in the Internet Routing Table: 17596
Origin ASes announcing only one prefix: 7803
Transit ASes present in the Internet Routing Table: 2846
Transit-only ASes present in the Internet Routing Table: 718
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: 274
Number of instances of unregistered ASNs: 275
Number of 32-bit ASNs allocated by the RIRs: 46190
Number of 32-bit ASNs visible in the Routing Table: 8018
Prefixes from 32-bit ASNs in the Routing Table: 30847
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: 107
Number of addresses announced to Internet: 1565996797
Equivalent to 93 /8s, 87 /16s and 54 /24s
Percentage of available address space announced: 42.3
Percentage of allocated address space announced: 42.3
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: 84604
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32290
Total APNIC prefixes after maximum aggregation: 7856
APNIC Deaggregation factor: 4.11
Prefixes being announced from the APNIC address blocks: 31199
Unique aggregates announced from the APNIC address blocks: 8616
APNIC Region origin ASes present in the Internet Routing Table: 1215
APNIC Prefixes per ASN: 25.68
APNIC Region origin ASes announcing only one prefix: 471
APNIC Region transit ASes present in the Internet Routing Table: 216
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 557
Number of APNIC addresses announced to Internet: 171811692
Equivalent to 10 /8s, 61 /16s and 163 /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: 121044
Total ARIN prefixes after maximum aggregation: 62172
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 118758
Unique aggregates announced from the ARIN address blocks: 63133
ARIN Region origin ASes present in the Internet Routing Table: 9212
ARIN Prefixes per ASN: 12.89
ARIN Region origin ASes announcing only one prefix: 3846
ARIN Region transit ASes present in the Internet Routing Table: 860
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: 2106
Number of ARIN addresses announced to Internet: 961638401
Equivalent to 57 /8s, 81 /16s and 112 /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: 48347
Total RIPE prefixes after maximum aggregation: 26141
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 50312
Unique aggregates announced from the RIPE address blocks: 36654
RIPE Region origin ASes present in the Internet Routing Table: 4598
RIPE Prefixes per ASN: 10.94
RIPE Region origin ASes announcing only one prefix: 1896
RIPE Region transit ASes present in the Internet Routing Table: 691
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1837
Number of RIPE addresses announced to Internet: 289654864
Equivalent to 17 /8s, 67 /16s and 200 /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: 51002
Total LACNIC prefixes after maximum aggregation: 15546
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 49656
Unique aggregates announced from the LACNIC address blocks: 23863
LACNIC Region origin ASes present in the Internet Routing Table: 4305
LACNIC Prefixes per ASN: 11.53
LACNIC Region origin ASes announcing only one prefix: 1474
LACNIC Region transit ASes present in the Internet Routing Table: 868
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3370
Number of LACNIC addresses announced to Internet: 100390976
Equivalent to 5 /8s, 251 /16s and 216 /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: 10448
Total AfriNIC prefixes after maximum aggregation: 2583
AfriNIC Deaggregation factor: 4.04
Prefixes being announced from the AfriNIC address blocks: 13373
Unique aggregates announced from the AfriNIC address blocks: 4648
AfriNIC Region origin ASes present in the Internet Routing Table: 274
AfriNIC Prefixes per ASN: 48.81
AfriNIC Region origin ASes announcing only one prefix: 116
AfriNIC Region transit ASes present in the Internet Routing Table: 72
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: 148
Number of AfriNIC addresses announced to Internet: 42452992
Equivalent to 2 /8s, 135 /16s and 200 /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 10140 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1571 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1510 192 53 CMNET-HUNAN-AP China Mobile communication
24547 847 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 640 2170 465 SINET-AS Research Organization of Informa
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 477 779 141 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 470 8895 146 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 12922 39640 3935 AMAZON-02, US
22773 3375 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2472 183 1507 USDA-1, US
367 2458 2913 1190 DNIC-ASBLK-00306-00371, US
7018 2219 22910 1582 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1791 3544 466 CELLCO-PART, US
209 1670 4890 278 CENTURYLINK-US-LEGACY-QWEST, US
20057 1423 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 1227 96 990 AKAMAI-ASN1, NL
3215 926 4894 282 France Telecom - Orange, FR
34984 884 86 481 TELLCOM-AS, TR
3257 780 2067 684 GTT-BACKBONE GTT, US
25019 699 1290 134 SAUDINETSTC-AS, SA
203214 622 49 360 HULUMTELE, IQ
8452 584 1842 17 TE-AS TE-AS, EG
8376 572 54 23 Jordan Data Communications, JO
51167 568 113 251 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 6746 1919 978 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1749 259 1238 Telmex Colombia S.A., CO
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1202 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 868 1127 31 TELEFONICA BRASIL S.A, BR
28006 644 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 632 90 53 ENTEL CHILE S.A., CL
26599 541 2876 72 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 1464 389 16 LINKdotNET-AS, EG
29571 1065 77 419 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 845 509 46 RAYA-AS, EG
36935 713 522 55 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 595 1031 15 MOBINIL, EG
36914 548 82 3 KENET-AS, KE
36903 396 185 290 MT-MPLS, MA
2018 380 319 71 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 12922 39640 3935 AMAZON-02, US
9808 10140 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6746 1919 978 UNINET, MX
22773 3375 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2472 183 1507 USDA-1, US
367 2458 2913 1190 DNIC-ASBLK-00306-00371, US
7018 2219 22910 1582 ATT-INTERNET4, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
39891 1936 130 50 ALJAWWALSTC-AS, SA
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 10140 10053 CHINAMOBILE-CN China Mobile Communications Grou
8151 6746 5768 UNINET, MX
22773 3375 3200 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1877 1660 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1510 1457 CMNET-HUNAN-AP China Mobile communications corp
24863 1464 1448 LINKdotNET-AS, EG
209 1670 1392 CENTURYLINK-US-LEGACY-QWEST, 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
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 PIGGYTARO-DATA, CA
23.158.216.0/24 Transit: 22427 GNET-AS, US
41.77.208.0/22 Origin: 37475 RESERVED, ZZ
41.77.208.0/22 Transit: 15964 CAMNET-AS, CM
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 /11:43 /12:151
/13:222 /14:579 /15:1104 /16:7631 /17:3371 /18:4241
/19:7717 /20:12590 /21:15376 /22:28125 /23:27732 /24:154264
/25:49 /26:75 /27:36 /28:16 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3536 6746 UNINET, MX
22773 2517 3375 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2339 12922 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 985 1749 Telmex Colombia S.A., CO
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 922 1157 BRSPD-PUBLIC, US
11776 881 1877 ATLANTICBB-JOHNSTOWN, US
20011 868 980 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:63 2:565 3:581 4:5 5:918 6:149
7:5 8:687 11:171 12:993 13:290 14:147
15:299 16:241 17:5 18:891 20:173 21:4
22:188 23:2239 24:950 27:24 29:19 31:417
32:17 34:10 35:131 36:1237 37:1058 38:2148
39:541 40:54 41:947 42:199 43:193 44:25
45:3922 46:951 47:84 49:51 50:335 51:380
52:1383 54:277 55:1071 56:9 57:18 58:31
59:25 60:16 61:78 62:525 63:770 64:1798
65:1082 66:1573 67:961 68:429 69:1151 70:444
71:199 72:761 74:962 75:420 76:242 77:468
78:371 79:283 80:294 81:388 82:627 83:226
84:340 85:580 86:226 87:253 88:251 89:781
90:101 91:974 92:635 93:364 94:781 95:622
96:248 97:66 98:450 99:161 100:36 101:26
102:326 103:1253 104:1117 105:124 106:63 107:1110
108:508 109:378 110:34 111:1925 112:463 113:40
114:55 115:20 116:48 117:1052 118:160 119:122
120:1171 121:42 122:113 123:145 124:57 125:23
128:480 129:283 130:655 131:917 132:563 133:213
134:500 135:115 136:521 137:505 138:1036 139:409
140:705 141:424 142:910 143:706 144:411 145:71
146:670 147:497 148:828 149:678 150:371 151:670
152:531 153:124 154:1406 155:780 156:1348 157:370
158:481 159:678 160:853 161:692 162:943 163:335
164:737 165:769 166:622 167:641 168:1534 169:143
170:1667 171:121 172:1145 173:781 174:232 175:64
176:729 177:1121 178:545 179:809 180:70 181:1865
182:52 183:881 184:493 185:3445 186:2489 187:1396
188:789 189:1695 190:5167 191:485 192:4812 193:1721
194:1181 195:914 196:627 197:1533 198:2562 199:4787
200:4047 201:3315 202:979 203:704 204:2099 205:1960
206:1549 207:1488 208:1327 209:1910 210:315 211:425
212:962 213:813 214:1022 215:36 216:2485 217:449
218:522 219:22 220:30 221:301 222:30 223:738
End of report
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