[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 2 20:16:57 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 02 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: 259314
Prefixes after maximum aggregation (per Origin AS): 114007
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 135695
Number of IPv4 prefixes with a valid ROA: 115784
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 143513
Total ASes present in the Internet Routing Table: 20071
Prefixes per ASN: 12.92
Origin-only ASes present in the Internet Routing Table: 17285
Origin ASes announcing only one prefix: 7736
Transit ASes present in the Internet Routing Table: 2786
Transit-only ASes present in the Internet Routing Table: 738
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: 265
Number of instances of unregistered ASNs: 266
Number of 32-bit ASNs allocated by the RIRs: 46124
Number of 32-bit ASNs visible in the Routing Table: 7818
Prefixes from 32-bit ASNs in the Routing Table: 29743
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: 116
Number of addresses announced to Internet: 1543127165
Equivalent to 91 /8s, 250 /16s and 64 /24s
Percentage of available address space announced: 41.7
Percentage of allocated address space announced: 41.7
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: 82316
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31683
Total APNIC prefixes after maximum aggregation: 7482
APNIC Deaggregation factor: 4.23
Prefixes being announced from the APNIC address blocks: 30447
Unique aggregates announced from the APNIC address blocks: 8003
APNIC Region origin ASes present in the Internet Routing Table: 1182
APNIC Prefixes per ASN: 25.76
APNIC Region origin ASes announcing only one prefix: 468
APNIC Region transit ASes present in the Internet Routing Table: 194
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: 534
Number of APNIC addresses announced to Internet: 168949868
Equivalent to 10 /8s, 17 /16s and 248 /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: 121696
Total ARIN prefixes after maximum aggregation: 63212
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 119660
Unique aggregates announced from the ARIN address blocks: 64624
ARIN Region origin ASes present in the Internet Routing Table: 9207
ARIN Prefixes per ASN: 13.00
ARIN Region origin ASes announcing only one prefix: 3829
ARIN Region transit ASes present in the Internet Routing Table: 863
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: 2124
Number of ARIN addresses announced to Internet: 953322497
Equivalent to 56 /8s, 210 /16s and 140 /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: 48451
Total RIPE prefixes after maximum aggregation: 26725
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 50095
Unique aggregates announced from the RIPE address blocks: 37224
RIPE Region origin ASes present in the Internet Routing Table: 4555
RIPE Prefixes per ASN: 11.00
RIPE Region origin ASes announcing only one prefix: 1911
RIPE Region transit ASes present in the Internet Routing Table: 682
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: 1863
Number of RIPE addresses announced to Internet: 280273616
Equivalent to 16 /8s, 180 /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: 46881
Total LACNIC prefixes after maximum aggregation: 14171
LACNIC Deaggregation factor: 3.31
Prefixes being announced from the LACNIC address blocks: 45492
Unique aggregates announced from the LACNIC address blocks: 21577
LACNIC Region origin ASes present in the Internet Routing Table: 4003
LACNIC Prefixes per ASN: 11.36
LACNIC Region origin ASes announcing only one prefix: 1420
LACNIC Region transit ASes present in the Internet Routing Table: 836
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: 3156
Number of LACNIC addresses announced to Internet: 97085248
Equivalent to 5 /8s, 201 /16s and 103 /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: 10338
Total AfriNIC prefixes after maximum aggregation: 2222
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 13504
Unique aggregates announced from the AfriNIC address blocks: 4156
AfriNIC Region origin ASes present in the Internet Routing Table: 269
AfriNIC Prefixes per ASN: 50.20
AfriNIC Region origin ASes announcing only one prefix: 108
AfriNIC Region transit ASes present in the Internet Routing Table: 73
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: 141
Number of AfriNIC addresses announced to Internet: 43446528
Equivalent to 2 /8s, 150 /16s and 241 /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 10123 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1584 811 187 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1480 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 520 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 486 31 206 LCS-AS-AP LARUS Limited, HK
45102 472 760 136 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 12983 39644 3992 AMAZON-02, US
22773 3398 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2575 193 1571 USDA-1, US
367 2478 2892 1200 DNIC-ASBLK-00306-00371, US
7018 2214 22907 1579 ATT-INTERNET4, US
11776 1879 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1829 3620 459 CELLCO-PART, US
209 1670 4890 277 CENTURYLINK-US-LEGACY-QWEST, US
20057 1429 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 1590 108 39 ALJAWWALSTC-AS, SA
20940 1236 97 995 AKAMAI-ASN1, NL
3215 927 4886 286 France Telecom - Orange, FR
3257 926 2075 747 GTT-BACKBONE GTT, US
25019 773 1294 130 SAUDINETSTC-AS, SA
34984 638 71 460 TELLCOM-AS, TR
8452 611 1842 17 TE-AS TE-AS, EG
203214 582 42 338 HULUMTELE, IQ
8376 571 53 25 Jordan Data Communications, JO
51167 567 113 250 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 7313 2002 1021 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1838 276 1249 Telmex Colombia S.A., CO
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 21 Telefonica del Peru S.A.A., PE
26615 988 2503 53 TIM SA, BR
18881 882 1127 31 TELEFONICA BRASIL S.A, BR
27651 656 95 43 ENTEL CHILE S.A., CL
28006 638 76 291 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 1458 389 18 LINKdotNET-AS, EG
29571 1177 101 70 ORANGE-COTE-IVOIRE, CI
20011 981 185 285 INTERNET-SOLUTIONS, ZA
24835 805 504 37 RAYA-AS, EG
36935 687 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 549 82 3 KENET-AS, KE
37069 464 1030 15 MOBINIL, EG
36903 417 195 306 MT-MPLS, MA
2018 374 318 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 12983 39644 3992 AMAZON-02, US
9808 10123 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7313 2002 1021 UNINET, MX
22773 3398 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2575 193 1571 USDA-1, US
367 2478 2892 1200 DNIC-ASBLK-00306-00371, US
7018 2214 22907 1579 ATT-INTERNET4, US
11830 1991 369 64 Instituto Costarricense de Electricidad y
11776 1879 257 217 ATLANTICBB-JOHNSTOWN, US
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 10123 10035 CHINAMOBILE-CN China Mobile Communications Grou
8151 7313 6292 UNINET, MX
22773 3398 3219 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
11776 1879 1662 ATLANTICBB-JOHNSTOWN, US
39891 1590 1551 ALJAWWALSTC-AS, SA
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1458 1440 LINKdotNET-AS, EG
56047 1480 1427 CMNET-HUNAN-AP China Mobile communications corp
56046 1584 1397 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
41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22 Transit: 2914 NTT-DATA-2914, 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
/13:211 /14:562 /15:1086 /16:7523 /17:3385 /18:4123
/19:7585 /20:12196 /21:15364 /22:27590 /23:27317 /24:151910
/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 3852 7313 UNINET, MX
22773 2537 3398 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2341 12983 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
10620 1019 1838 Telmex Colombia S.A., CO
39891 993 1590 ALJAWWALSTC-AS, SA
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 942 1192 BRSPD-PUBLIC, US
11776 881 1879 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)
----------------------------------------------
1:39 2:474 3:601 4:5 5:827 6:150
7:5 8:599 11:171 12:990 13:295 14:137
15:301 16:241 17:5 18:881 20:173 21:4
22:188 23:2379 24:780 27:26 29:19 31:541
32:18 34:10 35:133 36:1226 37:1070 38:1994
39:543 40:54 41:941 42:155 43:200 44:33
45:3944 46:929 47:84 49:51 50:349 51:253
52:1384 54:275 55:878 56:11 57:18 58:45
59:31 60:16 61:67 62:522 63:759 64:1777
65:1066 66:1526 67:943 68:413 69:1126 70:428
71:209 72:848 74:961 75:433 76:245 77:445
78:300 79:275 80:297 81:351 82:744 83:234
84:350 85:471 86:225 87:251 88:290 89:840
90:105 91:972 92:680 93:444 94:910 95:659
96:260 97:61 98:461 99:160 100:35 101:24
102:395 103:1200 104:1358 105:100 106:58 107:1196
108:525 109:383 110:57 111:1907 112:452 113:40
114:53 115:16 116:55 117:1037 118:164 119:130
120:1163 121:42 122:112 123:148 124:57 125:25
128:396 129:242 130:665 131:953 132:565 133:213
134:551 135:113 136:582 137:486 138:986 139:432
140:702 141:440 142:976 143:686 144:417 145:111
146:680 147:475 148:840 149:735 150:369 151:620
152:508 153:127 154:1401 155:803 156:1009 157:365
158:510 159:743 160:920 161:681 162:982 163:347
164:727 165:809 166:741 167:626 168:1183 169:129
170:1648 171:120 172:1377 173:737 174:251 175:51
176:515 177:1150 178:546 179:699 180:50 181:1719
182:29 183:855 184:505 185:3347 186:2132 187:1461
188:715 189:1776 190:4122 191:478 192:5005 193:1835
194:1239 195:923 196:784 197:1547 198:2634 199:4793
200:3251 201:3269 202:982 203:706 204:2114 205:1927
206:1522 207:1465 208:1335 209:1921 210:309 211:431
212:1061 213:872 214:1001 215:42 216:2447 217:430
218:520 219:20 220:20 221:301 222:32 223:727
End of report
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