[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 6 20:17:05 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 06 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: 260786
Prefixes after maximum aggregation (per Origin AS): 112662
Deaggregation factor: 2.31
Unique aggregates announced (without unneeded subnets): 135092
Number of IPv4 prefixes with a valid ROA: 117924
Number of IPv4 prefixes with an invalid ROA: 23
Number of IPv4 prefixes with no ROA: 142839
Total ASes present in the Internet Routing Table: 20209
Prefixes per ASN: 12.90
Origin-only ASes present in the Internet Routing Table: 17366
Origin ASes announcing only one prefix: 7717
Transit ASes present in the Internet Routing Table: 2843
Transit-only ASes present in the Internet Routing Table: 735
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: 269
Number of instances of unregistered ASNs: 270
Number of 32-bit ASNs allocated by the RIRs: 46200
Number of 32-bit ASNs visible in the Routing Table: 7912
Prefixes from 32-bit ASNs in the Routing Table: 29745
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: 112
Number of addresses announced to Internet: 1553425949
Equivalent to 92 /8s, 151 /16s and 102 /24s
Percentage of available address space announced: 42.0
Percentage of allocated address space announced: 42.0
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: 82835
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32241
Total APNIC prefixes after maximum aggregation: 7807
APNIC Deaggregation factor: 4.13
Prefixes being announced from the APNIC address blocks: 31200
Unique aggregates announced from the APNIC address blocks: 8593
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: 483
APNIC Region transit ASes present in the Internet Routing Table: 225
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: 559
Number of APNIC addresses announced to Internet: 170661484
Equivalent to 10 /8s, 44 /16s and 22 /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: 120293
Total ARIN prefixes after maximum aggregation: 61710
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 118139
Unique aggregates announced from the ARIN address blocks: 63017
ARIN Region origin ASes present in the Internet Routing Table: 9197
ARIN Prefixes per ASN: 12.85
ARIN Region origin ASes announcing only one prefix: 3836
ARIN Region transit ASes present in the Internet Routing Table: 854
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: 2107
Number of ARIN addresses announced to Internet: 958452257
Equivalent to 57 /8s, 32 /16s and 210 /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: 45951
Total RIPE prefixes after maximum aggregation: 24982
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47654
Unique aggregates announced from the RIPE address blocks: 34827
RIPE Region origin ASes present in the Internet Routing Table: 4376
RIPE Prefixes per ASN: 10.89
RIPE Region origin ASes announcing only one prefix: 1805
RIPE Region transit ASes present in the Internet Routing Table: 668
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1747
Number of RIPE addresses announced to Internet: 281110352
Equivalent to 16 /8s, 193 /16s and 103 /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: 51520
Total LACNIC prefixes after maximum aggregation: 15405
LACNIC Deaggregation factor: 3.34
Prefixes being announced from the LACNIC address blocks: 50270
Unique aggregates announced from the LACNIC address blocks: 23742
LACNIC Region origin ASes present in the Internet Routing Table: 4296
LACNIC Prefixes per ASN: 11.70
LACNIC Region origin ASes announcing only one prefix: 1479
LACNIC Region transit ASes present in the Internet Routing Table: 877
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: 3353
Number of LACNIC addresses announced to Internet: 100976448
Equivalent to 6 /8s, 4 /16s and 199 /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: 10512
Total AfriNIC prefixes after maximum aggregation: 2561
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 13411
Unique aggregates announced from the AfriNIC address blocks: 4802
AfriNIC Region origin ASes present in the Internet Routing Table: 273
AfriNIC Prefixes per ASN: 49.12
AfriNIC Region origin ASes announcing only one prefix: 114
AfriNIC Region transit ASes present in the Internet Routing Table: 74
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: 42176256
Equivalent to 2 /8s, 131 /16s and 143 /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 10139 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 1503 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 12972 39644 3924 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2466 2916 1193 DNIC-ASBLK-00306-00371, US
4155 2459 182 1487 USDA-1, US
7018 2256 22912 1606 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1788 3543 464 CELLCO-PART, US
209 1672 4890 280 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 1244 97 996 AKAMAI-ASN1, NL
3215 925 4894 282 France Telecom - Orange, FR
3257 790 2068 694 GTT-BACKBONE GTT, US
34984 745 77 436 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8452 629 1842 17 TE-AS TE-AS, EG
8376 575 54 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 556 40 492 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 7351 2006 931 UNINET, MX
11830 1989 369 64 Instituto Costarricense de Electricidad y
10620 1755 261 1244 Telmex Colombia S.A., CO
3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1192 371 22 Telefonica del Peru S.A.A., PE
26615 1014 2503 53 TIM SA, BR
18881 871 1127 31 TELEFONICA BRASIL S.A, BR
28006 644 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 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 1471 389 16 LINKdotNET-AS, EG
29571 1130 80 388 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 834 509 46 RAYA-AS, EG
36935 713 522 55 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 583 1031 15 MOBINIL, EG
36914 551 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 12972 39644 3924 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7351 2006 931 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2466 2916 1193 DNIC-ASBLK-00306-00371, US
4155 2459 182 1487 USDA-1, US
7018 2256 22912 1606 ATT-INTERNET4, US
11830 1989 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 10139 10052 CHINAMOBILE-CN China Mobile Communications Grou
8151 7351 6420 UNINET, MX
22773 3374 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1989 1925 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
24863 1471 1455 LINKdotNET-AS, EG
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
209 1672 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
/13:221 /14:569 /15:1098 /16:7534 /17:3338 /18:4197
/19:7701 /20:12503 /21:15403 /22:27962 /23:27516 /24:152289
/25:51 /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 3839 7351 UNINET, MX
22773 2516 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2341 12972 AMAZON-02, US
11830 1690 1989 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 984 1755 Telmex Colombia S.A., CO
209 966 1672 CENTURYLINK-US-LEGACY-QWEST, US
19901 921 1155 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)
----------------------------------------------
1:62 2:486 3:580 4:5 5:784 6:154
7:5 8:630 11:171 12:994 13:291 14:148
15:300 16:234 17:5 18:894 20:171 21:4
22:188 23:2236 24:681 27:24 29:19 31:384
32:17 34:11 35:131 36:1240 37:613 38:2168
39:541 40:54 41:963 42:213 43:192 44:25
45:3890 46:911 47:84 49:51 50:335 51:372
52:1390 54:277 55:1054 56:9 57:18 58:31
59:27 60:16 61:77 62:507 63:788 64:1812
65:1054 66:1572 67:948 68:417 69:1162 70:437
71:203 72:730 74:973 75:421 76:246 77:459
78:336 79:266 80:270 81:325 82:603 83:222
84:327 85:570 86:225 87:247 88:248 89:763
90:98 91:944 92:619 93:370 94:752 95:625
96:248 97:66 98:451 99:163 100:36 101:31
102:339 103:1251 104:1119 105:131 106:60 107:1112
108:503 109:366 110:59 111:1923 112:463 113:41
114:65 115:23 116:48 117:1048 118:173 119:123
120:1171 121:42 122:111 123:149 124:57 125:25
128:483 129:281 130:659 131:906 132:568 133:213
134:460 135:115 136:522 137:494 138:1026 139:405
140:703 141:424 142:907 143:711 144:395 145:69
146:664 147:500 148:825 149:665 150:371 151:671
152:513 153:124 154:1392 155:774 156:1338 157:371
158:477 159:658 160:873 161:663 162:948 163:337
164:730 165:774 166:616 167:644 168:1502 169:147
170:1665 171:125 172:1144 173:787 174:232 175:65
176:649 177:1142 178:505 179:807 180:69 181:1869
182:52 183:873 184:491 185:3283 186:2481 187:1454
188:722 189:1752 190:5169 191:459 192:4784 193:1681
194:1139 195:887 196:627 197:1534 198:2551 199:4787
200:4057 201:3422 202:964 203:701 204:2065 205:1963
206:1560 207:1455 208:1391 209:1917 210:315 211:425
212:924 213:763 214:1016 215:36 216:2445 217:427
218:523 219:22 220:30 221:301 222:30 223:738
End of report
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