[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Mar 14 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 14 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: 268567
Prefixes after maximum aggregation (per Origin AS): 116691
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 139770
Number of IPv4 prefixes with a valid ROA: 121758
Number of IPv4 prefixes with an invalid ROA: 23
Number of IPv4 prefixes with no ROA: 146786
Total ASes present in the Internet Routing Table: 20551
Prefixes per ASN: 13.07
Origin-only ASes present in the Internet Routing Table: 17696
Origin ASes announcing only one prefix: 7887
Transit ASes present in the Internet Routing Table: 2855
Transit-only ASes present in the Internet Routing Table: 722
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: 295
Number of instances of unregistered ASNs: 296
Number of 32-bit ASNs allocated by the RIRs: 46121
Number of 32-bit ASNs visible in the Routing Table: 8038
Prefixes from 32-bit ASNs in the Routing Table: 31242
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: 130
Number of addresses announced to Internet: 1566938749
Equivalent to 93 /8s, 101 /16s and 150 /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: 86265
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32013
Total APNIC prefixes after maximum aggregation: 7605
APNIC Deaggregation factor: 4.21
Prefixes being announced from the APNIC address blocks: 30750
Unique aggregates announced from the APNIC address blocks: 8201
APNIC Region origin ASes present in the Internet Routing Table: 1201
APNIC Prefixes per ASN: 25.60
APNIC Region origin ASes announcing only one prefix: 473
APNIC Region transit ASes present in the Internet Routing Table: 215
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: 544
Number of APNIC addresses announced to Internet: 169483628
Equivalent to 10 /8s, 26 /16s and 29 /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: 125459
Total ARIN prefixes after maximum aggregation: 64413
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 123148
Unique aggregates announced from the ARIN address blocks: 66401
ARIN Region origin ASes present in the Internet Routing Table: 9339
ARIN Prefixes per ASN: 13.19
ARIN Region origin ASes announcing only one prefix: 3891
ARIN Region transit ASes present in the Internet Routing Table: 875
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: 2158
Number of ARIN addresses announced to Internet: 964774401
Equivalent to 57 /8s, 129 /16s and 74 /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: 48896
Total RIPE prefixes after maximum aggregation: 26555
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 50819
Unique aggregates announced from the RIPE address blocks: 36622
RIPE Region origin ASes present in the Internet Routing Table: 4612
RIPE Prefixes per ASN: 11.02
RIPE Region origin ASes announcing only one prefix: 1930
RIPE Region transit ASes present in the Internet Routing Table: 682
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: 1850
Number of RIPE addresses announced to Internet: 289169616
Equivalent to 17 /8s, 60 /16s and 96 /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: 51325
Total LACNIC prefixes after maximum aggregation: 15564
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 49998
Unique aggregates announced from the LACNIC address blocks: 23935
LACNIC Region origin ASes present in the Internet Routing Table: 4272
LACNIC Prefixes per ASN: 11.70
LACNIC Region origin ASes announcing only one prefix: 1480
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: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3342
Number of LACNIC addresses announced to Internet: 100823616
Equivalent to 6 /8s, 2 /16s and 114 /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: 10579
Total AfriNIC prefixes after maximum aggregation: 2338
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 13722
Unique aggregates announced from the AfriNIC address blocks: 4489
AfriNIC Region origin ASes present in the Internet Routing Table: 275
AfriNIC Prefixes per ASN: 49.90
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 75
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: 144
Number of AfriNIC addresses announced to Internet: 42631936
Equivalent to 2 /8s, 138 /16s and 131 /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 10138 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 1502 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 640 2170 465 SINET-AS Research Organization of Informa
17561 559 36 225 LCS-AS-AP LARUS Limited, HK
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 476 779 140 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 12933 39644 3955 AMAZON-02, US
22773 3373 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2478 183 1516 USDA-1, US
367 2454 2913 1188 DNIC-ASBLK-00306-00371, US
36352 2280 192 1037 AS-COLOCROSSING, US
7018 2219 22910 1582 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1800 3546 465 CELLCO-PART, US
209 1670 4890 278 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 1255 98 1014 AKAMAI-ASN1, NL
3215 926 4894 282 France Telecom - Orange, FR
34984 886 86 483 TELLCOM-AS, TR
3257 780 2067 684 GTT-BACKBONE GTT, US
25019 700 1290 134 SAUDINETSTC-AS, SA
203214 618 48 351 HULUMTELE, IQ
8452 602 1842 17 TE-AS TE-AS, EG
8376 574 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 7163 1993 956 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1734 257 1227 Telmex Colombia S.A., CO
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
26615 1012 2503 53 TIM SA, BR
18881 869 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 1472 389 16 LINKdotNET-AS, EG
29571 1211 97 215 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 843 509 44 RAYA-AS, EG
36935 694 520 41 Vodafone-, EG
36992 639 1229 126 ETISALAT-MISR, EG
37069 591 1031 15 MOBINIL, EG
36914 554 82 3 KENET-AS, KE
36903 417 195 306 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 12933 39644 3955 AMAZON-02, US
9808 10138 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7163 1993 956 UNINET, MX
22773 3373 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2478 183 1516 USDA-1, US
367 2454 2913 1188 DNIC-ASBLK-00306-00371, US
36352 2280 192 1037 AS-COLOCROSSING, US
7018 2219 22910 1582 ATT-INTERNET4, US
11830 1993 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 10138 10051 CHINAMOBILE-CN China Mobile Communications Grou
8151 7163 6207 UNINET, MX
22773 3373 3198 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 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 1472 1456 LINKdotNET-AS, EG
56047 1502 1449 CMNET-HUNAN-AP China Mobile communications corp
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
41.78.60.0/22 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 /11:43 /12:151
/13:222 /14:577 /15:1104 /16:7639 /17:3380 /18:4226
/19:7758 /20:12645 /21:15593 /22:28366 /23:28181 /24:158412
/25:60 /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 3748 7163 UNINET, MX
22773 2515 3373 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2342 12933 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 978 1734 Telmex Colombia S.A., CO
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 923 1161 BRSPD-PUBLIC, US
36352 905 2280 AS-COLOCROSSING, US
11776 881 1877 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:62 2:482 3:590 4:5 5:939 6:149
7:5 8:640 11:171 12:1000 13:289 14:141
15:299 16:241 17:5 18:890 20:173 21:4
22:188 23:2534 24:962 27:23 29:19 31:403
32:17 34:10 35:131 36:1229 37:1121 38:2335
39:543 40:54 41:965 42:211 43:205 44:25
45:4097 46:988 47:84 49:55 50:349 51:382
52:1384 54:276 55:1070 56:9 57:19 58:31
59:26 60:16 61:65 62:519 63:780 64:1890
65:1087 66:1628 67:978 68:417 69:1249 70:443
71:216 72:811 74:985 75:427 76:254 77:449
78:387 79:273 80:276 81:318 82:642 83:246
84:369 85:569 86:233 87:273 88:257 89:909
90:101 91:948 92:685 93:379 94:787 95:751
96:268 97:66 98:467 99:161 100:36 101:24
102:319 103:1244 104:1449 105:117 106:63 107:1484
108:537 109:381 110:57 111:1915 112:462 113:37
114:64 115:18 116:53 117:1047 118:163 119:136
120:1169 121:42 122:110 123:145 124:57 125:23
126:1 128:480 129:281 130:708 131:928 132:569
133:213 134:524 135:115 136:569 137:508 138:1036
139:422 140:710 141:416 142:982 143:700 144:416
145:97 146:692 147:503 148:858 149:713 150:373
151:752 152:525 153:126 154:1530 155:774 156:1371
157:378 158:501 159:675 160:923 161:727 162:1005
163:338 164:736 165:782 166:707 167:649 168:1549
169:143 170:1677 171:122 172:1395 173:812 174:262
175:63 176:733 177:1098 178:539 179:793 180:51
181:1902 182:46 183:885 184:512 185:3335 186:2485
187:1412 188:759 189:1739 190:5187 191:490 192:5095
193:1750 194:1202 195:912 196:667 197:1527 198:2680
199:4862 200:4077 201:3408 202:987 203:693 204:2130
205:1996 206:1572 207:1481 208:1362 209:1965 210:311
211:425 212:986 213:820 214:1012 215:36 216:2519
217:434 218:525 219:20 220:24 221:301 222:31
223:739
End of report
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