[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jan 31 20:16:58 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 31 Jan, 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: 256987
Prefixes after maximum aggregation (per Origin AS): 111684
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135449
Number of IPv4 prefixes with a valid ROA: 114404
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 142564
Total ASes present in the Internet Routing Table: 20031
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 17206
Origin ASes announcing only one prefix: 7661
Transit ASes present in the Internet Routing Table: 2825
Transit-only ASes present in the Internet Routing Table: 737
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: 291
Number of instances of unregistered ASNs: 292
Number of 32-bit ASNs allocated by the RIRs: 46093
Number of 32-bit ASNs visible in the Routing Table: 7846
Prefixes from 32-bit ASNs in the Routing Table: 29600
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: 144
Number of addresses announced to Internet: 1523362813
Equivalent to 90 /8s, 204 /16s and 171 /24s
Percentage of available address space announced: 41.1
Percentage of allocated address space announced: 41.1
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: 81136
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31753
Total APNIC prefixes after maximum aggregation: 7764
APNIC Deaggregation factor: 4.09
Prefixes being announced from the APNIC address blocks: 30480
Unique aggregates announced from the APNIC address blocks: 8088
APNIC Region origin ASes present in the Internet Routing Table: 1140
APNIC Prefixes per ASN: 26.74
APNIC Region origin ASes announcing only one prefix: 436
APNIC Region transit ASes present in the Internet Routing Table: 226
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: 498
Number of APNIC addresses announced to Internet: 169098092
Equivalent to 10 /8s, 20 /16s and 59 /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, 131072-153913
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: 118908
Total ARIN prefixes after maximum aggregation: 61221
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117299
Unique aggregates announced from the ARIN address blocks: 62803
ARIN Region origin ASes present in the Internet Routing Table: 9065
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3821
ARIN Region transit ASes present in the Internet Routing Table: 838
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: 2043
Number of ARIN addresses announced to Internet: 951635073
Equivalent to 56 /8s, 184 /16s and 204 /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: 45627
Total RIPE prefixes after maximum aggregation: 24705
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 46986
Unique aggregates announced from the RIPE address blocks: 34568
RIPE Region origin ASes present in the Internet Routing Table: 4361
RIPE Prefixes per ASN: 10.77
RIPE Region origin ASes announcing only one prefix: 1821
RIPE Region transit ASes present in the Internet Routing Table: 651
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 37
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1747
Number of RIPE addresses announced to Internet: 262649040
Equivalent to 15 /8s, 167 /16s and 180 /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: 49766
Total LACNIC prefixes after maximum aggregation: 15098
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 48537
Unique aggregates announced from the LACNIC address blocks: 23390
LACNIC Region origin ASes present in the Internet Routing Table: 4310
LACNIC Prefixes per ASN: 11.26
LACNIC Region origin ASes announcing only one prefix: 1457
LACNIC Region transit ASes present in the Internet Routing Table: 894
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3404
Number of LACNIC addresses announced to Internet: 99397184
Equivalent to 5 /8s, 236 /16s and 174 /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: 10642
Total AfriNIC prefixes after maximum aggregation: 2691
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 13541
Unique aggregates announced from the AfriNIC address blocks: 6478
AfriNIC Region origin ASes present in the Internet Routing Table: 295
AfriNIC Prefixes per ASN: 45.90
AfriNIC Region origin ASes announcing only one prefix: 126
AfriNIC Region transit ASes present in the Internet Routing Table: 74
Average AfriNIC Region AS path length visible: 6.6
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: 40517120
Equivalent to 2 /8s, 106 /16s and 62 /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 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1570 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 825 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 642 2202 464 SINET-AS Research Organization of Informa
17561 633 40 400 LCS-AS-AP LARUS Limited, HK
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 465 741 134 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 12688 38941 3722 AMAZON-02, US
22773 3379 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2544 3013 1220 DNIC-ASBLK-00306-00371, US
7018 2535 23071 1800 ATT-INTERNET4, US
4155 2351 170 1431 USDA-1, US
36352 2108 177 940 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1740 3431 442 CELLCO-PART, US
209 1683 4892 286 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 1225 95 981 AKAMAI-ASN1, NL
3215 891 4818 289 France Telecom - Orange, FR
3257 791 2069 694 GTT-BACKBONE GTT, US
62240 752 51 334 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 625 1756 123 TE-AS TE-AS, EG
8376 579 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 541 39 478 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 5876 1678 784 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1763 262 1244 Telmex Colombia S.A., CO
3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1104 371 22 Telefonica del Peru S.A.A., PE
26615 1001 2503 53 TIM SA, BR
18881 868 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 50 ENTEL CHILE S.A., CL
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 560 2888 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 1524 389 16 LINKdotNET-AS, EG
29571 1114 79 370 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 800 381 135 RAYA-AS, EG
37069 640 1031 15 MOBINIL, EG
36992 637 1225 129 ETISALAT-MISR, EG
36935 572 519 46 Vodafone-, EG
36914 550 82 3 KENET-AS, KE
36903 396 185 288 MT-MPLS, MA
2018 379 319 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 12688 38941 3722 AMAZON-02, US
9808 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5876 1678 784 UNINET, MX
22773 3379 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2544 3013 1220 DNIC-ASBLK-00306-00371, US
7018 2535 23071 1800 ATT-INTERNET4, US
4155 2351 170 1431 USDA-1, US
36352 2108 177 940 AS-COLOCROSSING, US
11830 1992 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 10149 10062 CHINAMOBILE-CN China Mobile Communications Grou
8151 5876 5092 UNINET, MX
22773 3379 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
24863 1524 1508 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1683 1397 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
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
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 3356 LEVEL3, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US
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
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 /11:40 /12:145
/13:207 /14:557 /15:1082 /16:7490 /17:3389 /18:4128
/19:7494 /20:12285 /21:14867 /22:27394 /23:27300 /24:150347
/25:48 /26:77 /27:38 /28:17 /29:16 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3145 5876 UNINET, MX
22773 2518 3379 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2273 12688 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
7018 1003 2535 ATT-INTERNET4, US
10620 991 1763 Telmex Colombia S.A., CO
209 970 1683 CENTURYLINK-US-LEGACY-QWEST, US
19901 908 1118 BRSPD-PUBLIC, US
11776 895 1888 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:60 2:466 3:564 4:5 5:772 6:152
7:5 8:654 11:171 12:974 13:296 14:112
15:297 16:234 17:5 18:883 20:157 21:4
22:188 23:2344 24:680 27:28 29:19 31:401
32:19 34:8 35:108 36:1228 37:656 38:2075
39:540 40:53 41:1029 42:209 43:164 44:30
45:3824 46:941 47:88 49:27 50:361 51:374
52:1383 54:286 55:1142 56:9 57:16 58:32
59:28 60:16 61:76 62:525 63:765 64:1800
65:1075 66:1544 67:931 68:422 69:1176 70:432
71:203 72:659 74:911 75:430 76:248 77:452
78:305 79:286 80:266 81:347 82:448 83:197
84:322 85:490 86:217 87:229 88:242 89:757
90:62 91:952 92:635 93:436 94:833 95:526
96:237 97:55 98:469 99:162 100:36 101:28
102:327 103:946 104:1134 105:122 106:36 107:1416
108:508 109:377 110:29 111:1913 112:458 113:39
114:48 115:24 116:52 117:1049 118:167 119:113
120:1165 121:40 122:122 123:147 124:54 125:24
128:448 129:275 130:659 131:938 132:563 133:212
134:435 135:114 136:586 137:490 138:997 139:390
140:696 141:425 142:917 143:680 144:403 145:70
146:628 147:491 148:731 149:637 150:366 151:672
152:656 153:124 154:1390 155:774 156:1310 157:365
158:483 159:651 160:877 161:578 162:937 163:355
164:721 165:804 166:652 167:659 168:1562 169:144
170:1655 171:100 172:1181 173:786 174:230 175:46
176:421 177:1177 178:497 179:812 180:69 181:1914
182:44 183:872 184:455 185:3145 186:2386 187:1131
188:742 189:1503 190:5044 191:481 192:4904 193:1739
194:1122 195:886 196:737 197:1657 198:2552 199:4593
200:3970 201:3320 202:971 203:682 204:2064 205:1976
206:1561 207:1445 208:1288 209:1843 210:313 211:426
212:897 213:716 214:1007 215:36 216:2412 217:428
218:523 219:22 220:25 221:301 222:30 223:732
End of report
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