[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Apr 10 20:17:06 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 10 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: 262268
Prefixes after maximum aggregation (per Origin AS): 114939
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135612
Number of IPv4 prefixes with a valid ROA: 117858
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 144394
Total ASes present in the Internet Routing Table: 20280
Prefixes per ASN: 12.93
Origin-only ASes present in the Internet Routing Table: 17480
Origin ASes announcing only one prefix: 7842
Transit ASes present in the Internet Routing Table: 2800
Transit-only ASes present in the Internet Routing Table: 724
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: 317
Number of instances of unregistered ASNs: 318
Number of 32-bit ASNs allocated by the RIRs: 46164
Number of 32-bit ASNs visible in the Routing Table: 7891
Prefixes from 32-bit ASNs in the Routing Table: 29636
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: 120
Number of addresses announced to Internet: 1555791325
Equivalent to 92 /8s, 187 /16s and 125 /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: 83416
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31700
Total APNIC prefixes after maximum aggregation: 7440
APNIC Deaggregation factor: 4.26
Prefixes being announced from the APNIC address blocks: 30480
Unique aggregates announced from the APNIC address blocks: 7911
APNIC Region origin ASes present in the Internet Routing Table: 1178
APNIC Prefixes per ASN: 25.87
APNIC Region origin ASes announcing only one prefix: 472
APNIC Region transit ASes present in the Internet Routing Table: 202
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: 541
Number of APNIC addresses announced to Internet: 168709484
Equivalent to 10 /8s, 14 /16s and 77 /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: 123397
Total ARIN prefixes after maximum aggregation: 63906
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 120804
Unique aggregates announced from the ARIN address blocks: 64542
ARIN Region origin ASes present in the Internet Routing Table: 9338
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3879
ARIN Region transit ASes present in the Internet Routing Table: 867
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: 2166
Number of ARIN addresses announced to Internet: 964097761
Equivalent to 57 /8s, 118 /16s and 246 /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: 49009
Total RIPE prefixes after maximum aggregation: 26718
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 50693
Unique aggregates announced from the RIPE address blocks: 37137
RIPE Region origin ASes present in the Internet Routing Table: 4600
RIPE Prefixes per ASN: 11.02
RIPE Region origin ASes announcing only one prefix: 1926
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: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1871
Number of RIPE addresses announced to Internet: 280797776
Equivalent to 16 /8s, 188 /16s and 162 /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: 47579
Total LACNIC prefixes after maximum aggregation: 14443
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 46488
Unique aggregates announced from the LACNIC address blocks: 21730
LACNIC Region origin ASes present in the Internet Routing Table: 4031
LACNIC Prefixes per ASN: 11.53
LACNIC Region origin ASes announcing only one prefix: 1454
LACNIC Region transit ASes present in the Internet Routing Table: 827
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3160
Number of LACNIC addresses announced to Internet: 98633792
Equivalent to 5 /8s, 225 /16s and 8 /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: 10266
Total AfriNIC prefixes after maximum aggregation: 2213
AfriNIC Deaggregation factor: 4.64
Prefixes being announced from the AfriNIC address blocks: 13683
Unique aggregates announced from the AfriNIC address blocks: 4177
AfriNIC Region origin ASes present in the Internet Routing Table: 280
AfriNIC Prefixes per ASN: 48.87
AfriNIC Region origin ASes announcing only one prefix: 111
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: 153
Number of AfriNIC addresses announced to Internet: 43503104
Equivalent to 2 /8s, 151 /16s and 206 /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 10121 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1585 811 187 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 774 500 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 491 31 205 LCS-AS-AP LARUS Limited, HK
45102 476 762 135 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 13135 39687 4089 AMAZON-02, US
22773 3398 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2612 196 1599 USDA-1, US
367 2476 2892 1201 DNIC-ASBLK-00306-00371, US
7018 2213 22907 1579 ATT-INTERNET4, US
11776 1892 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1830 3621 458 CELLCO-PART, US
209 1666 4890 275 CENTURYLINK-US-LEGACY-QWEST, US
20057 1430 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 1161 91 960 AKAMAI-ASN1, NL
3257 926 2075 747 GTT-BACKBONE GTT, US
3215 894 4810 293 France Telecom - Orange, FR
25019 853 1299 129 SAUDINETSTC-AS, SA
34984 645 71 466 TELLCOM-AS, TR
8452 638 1842 17 TE-AS TE-AS, EG
8376 572 53 22 Jordan Data Communications, JO
51167 567 113 250 CONTABO, DE
212238 560 40 493 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 7365 2021 1002 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1943 288 1302 Telmex Colombia S.A., CO
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
26615 987 2503 52 TIM SA, BR
18881 884 1127 31 TELEFONICA BRASIL S.A, BR
27651 656 95 43 ENTEL CHILE S.A., CL
28006 642 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 545 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 1484 389 16 LINKdotNET-AS, EG
29571 1037 100 74 ORANGE-COTE-IVOIRE, CI
20011 981 185 285 INTERNET-SOLUTIONS, ZA
24835 814 504 37 RAYA-AS, EG
36935 711 522 55 Vodafone-, EG
36992 602 1229 124 ETISALAT-MISR, EG
36914 551 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 13135 39687 4089 AMAZON-02, US
9808 10121 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7365 2021 1002 UNINET, MX
22773 3398 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2612 196 1599 USDA-1, US
367 2476 2892 1201 DNIC-ASBLK-00306-00371, US
7018 2213 22907 1579 ATT-INTERNET4, US
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1943 288 1302 Telmex Colombia S.A., CO
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 10121 10033 CHINAMOBILE-CN China Mobile Communications Grou
8151 7365 6363 UNINET, MX
22773 3398 3219 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1892 1676 ATLANTICBB-JOHNSTOWN, US
24863 1484 1468 LINKdotNET-AS, EG
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
56046 1585 1398 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 /12:151
/13:216 /14:577 /15:1100 /16:7573 /17:3442 /18:4195
/19:7666 /20:12408 /21:15459 /22:27902 /23:27632 /24:153636
/25:62 /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 3881 7365 UNINET, MX
22773 2538 3398 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2324 13135 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
10620 1098 1943 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
209 965 1666 CENTURYLINK-US-LEGACY-QWEST, US
19901 942 1196 BRSPD-PUBLIC, US
11776 881 1892 ATLANTICBB-JOHNSTOWN, US
20011 868 981 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:68 2:446 3:608 4:5 5:822 6:150
7:5 8:638 11:171 12:997 13:297 14:137
15:301 16:241 17:5 18:889 20:167 21:4
22:188 23:2350 24:693 27:26 29:19 31:473
32:18 34:10 35:133 36:1229 37:1037 38:1931
39:541 40:56 41:913 42:229 43:193 44:33
45:3973 46:948 47:84 49:18 50:356 51:383
52:1381 54:275 55:741 56:11 57:94 58:43
59:31 60:16 61:74 62:558 63:774 64:1872
65:1087 66:1564 67:971 68:419 69:1151 70:428
71:210 72:761 74:969 75:427 76:245 77:472
78:330 79:275 80:294 81:356 82:758 83:233
84:357 85:486 86:233 87:250 88:276 89:830
90:104 91:994 92:671 93:452 94:941 95:667
96:261 97:64 98:465 99:159 100:34 101:22
102:382 103:1169 104:1322 105:142 106:35 107:1210
108:530 109:413 110:64 111:1905 112:451 113:40
114:56 115:15 116:56 117:1034 118:165 119:130
120:1163 121:43 122:127 123:152 124:57 125:24
128:472 129:284 130:673 131:923 132:563 133:213
134:499 135:117 136:578 137:496 138:908 139:435
140:696 141:433 142:969 143:670 144:425 145:109
146:679 147:505 148:862 149:761 150:375 151:636
152:508 153:127 154:1389 155:800 156:1201 157:368
158:531 159:709 160:848 161:705 162:980 163:354
164:715 165:813 166:756 167:633 168:1180 169:149
170:1631 171:117 172:1353 173:787 174:249 175:42
176:608 177:1076 178:504 179:745 180:47 181:1782
182:21 183:861 184:493 185:3404 186:2160 187:1460
188:773 189:1771 190:4422 191:447 192:5062 193:1828
194:1222 195:931 196:796 197:1543 198:2651 199:4903
200:3654 201:3347 202:985 203:725 204:2147 205:1960
206:1563 207:1493 208:1360 209:1973 210:294 211:431
212:976 213:867 214:1003 215:42 216:2468 217:427
218:522 219:19 220:26 221:302 222:32 223:728
End of report
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