[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 3 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 03 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: 261035
Prefixes after maximum aggregation (per Origin AS): 114514
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 137137
Number of IPv4 prefixes with a valid ROA: 116244
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 144774
Total ASes present in the Internet Routing Table: 20052
Prefixes per ASN: 13.02
Origin-only ASes present in the Internet Routing Table: 17274
Origin ASes announcing only one prefix: 7756
Transit ASes present in the Internet Routing Table: 2778
Transit-only ASes present in the Internet Routing Table: 739
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: 262
Number of instances of unregistered ASNs: 263
Number of 32-bit ASNs allocated by the RIRs: 46145
Number of 32-bit ASNs visible in the Routing Table: 7761
Prefixes from 32-bit ASNs in the Routing Table: 29506
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: 115
Number of addresses announced to Internet: 1544606717
Equivalent to 92 /8s, 16 /16s and 211 /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: 83219
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31986
Total APNIC prefixes after maximum aggregation: 7607
APNIC Deaggregation factor: 4.20
Prefixes being announced from the APNIC address blocks: 30722
Unique aggregates announced from the APNIC address blocks: 8257
APNIC Region origin ASes present in the Internet Routing Table: 1214
APNIC Prefixes per ASN: 25.31
APNIC Region origin ASes announcing only one prefix: 485
APNIC Region transit ASes present in the Internet Routing Table: 196
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: 549
Number of APNIC addresses announced to Internet: 169045868
Equivalent to 10 /8s, 19 /16s and 111 /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: 123205
Total ARIN prefixes after maximum aggregation: 63433
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 120940
Unique aggregates announced from the ARIN address blocks: 65684
ARIN Region origin ASes present in the Internet Routing Table: 9223
ARIN Prefixes per ASN: 13.11
ARIN Region origin ASes announcing only one prefix: 3841
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: 2125
Number of ARIN addresses announced to Internet: 953982977
Equivalent to 56 /8s, 220 /16s and 160 /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: 48991
Total RIPE prefixes after maximum aggregation: 27021
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 50685
Unique aggregates announced from the RIPE address blocks: 37729
RIPE Region origin ASes present in the Internet Routing Table: 4596
RIPE Prefixes per ASN: 11.03
RIPE Region origin ASes announcing only one prefix: 1928
RIPE Region transit ASes present in the Internet Routing Table: 688
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: 1877
Number of RIPE addresses announced to Internet: 280997200
Equivalent to 16 /8s, 191 /16s and 173 /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: 46320
Total LACNIC prefixes after maximum aggregation: 14088
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 44924
Unique aggregates announced from the LACNIC address blocks: 21270
LACNIC Region origin ASes present in the Internet Routing Table: 3897
LACNIC Prefixes per ASN: 11.53
LACNIC Region origin ASes announcing only one prefix: 1393
LACNIC Region transit ASes present in the Internet Routing Table: 810
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: 3068
Number of LACNIC addresses announced to Internet: 97228864
Equivalent to 5 /8s, 203 /16s and 152 /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: 10271
Total AfriNIC prefixes after maximum aggregation: 2170
AfriNIC Deaggregation factor: 4.73
Prefixes being announced from the AfriNIC address blocks: 13649
Unique aggregates announced from the AfriNIC address blocks: 4087
AfriNIC Region origin ASes present in the Internet Routing Table: 266
AfriNIC Prefixes per ASN: 51.31
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 73
Average AfriNIC Region AS path length visible: 6.4
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 142
Number of AfriNIC addresses announced to Internet: 43302656
Equivalent to 2 /8s, 148 /16s and 191 /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 10125 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
17561 526 34 225 LCS-AS-AP LARUS Limited, HK
24445 520 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 475 762 134 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 12984 39642 3986 AMAZON-02, US
22773 3396 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2578 193 1579 USDA-1, US
367 2475 2891 1196 DNIC-ASBLK-00306-00371, US
36352 2386 198 1064 AS-COLOCROSSING, US
7018 2214 22907 1579 ATT-INTERNET4, US
11776 1880 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1829 3620 459 CELLCO-PART, US
209 1670 4890 277 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 1590 108 39 ALJAWWALSTC-AS, SA
20940 1239 97 998 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 639 71 461 TELLCOM-AS, TR
203214 632 45 333 HULUMTELE, IQ
8452 611 1842 17 TE-AS TE-AS, EG
8376 570 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 7321 2002 1019 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1843 276 1255 Telmex Colombia S.A., CO
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 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 643 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 1469 389 16 LINKdotNET-AS, EG
29571 1176 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 555 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 12984 39642 3986 AMAZON-02, US
9808 10125 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7321 2002 1019 UNINET, MX
22773 3396 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2578 193 1579 USDA-1, US
367 2475 2891 1196 DNIC-ASBLK-00306-00371, US
36352 2386 198 1064 AS-COLOCROSSING, US
7018 2214 22907 1579 ATT-INTERNET4, 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 10125 10037 CHINAMOBILE-CN China Mobile Communications Grou
8151 7321 6302 UNINET, MX
22773 3396 3217 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
11776 1880 1666 ATLANTICBB-JOHNSTOWN, US
39891 1590 1551 ALJAWWALSTC-AS, SA
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1469 1453 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
23.136.220.0/24 Origin: 395878 SERVOSPHERE LLC, US
23.136.220.0/24 Transit: 20473 AS-VULTR, 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
23.158.216.0/24 Origin: 204535 RESERVED, ZZ
23.158.216.0/24 Transit: 22427 GNET-AS, 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 /16:7529 /17:3393 /18:4138
/19:7602 /20:12243 /21:15381 /22:27658 /23:27371 /24:153400
/25:61 /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 3858 7321 UNINET, MX
22773 2535 3396 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2327 12984 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
10620 1022 1843 Telmex Colombia S.A., CO
39891 993 1590 ALJAWWALSTC-AS, SA
36352 973 2386 AS-COLOCROSSING, US
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 943 1193 BRSPD-PUBLIC, US
11776 882 1880 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:39 2:479 3:609 4:5 5:827 6:150
7:5 8:601 11:171 12:991 13:293 14:137
15:301 16:241 17:5 18:881 20:161 21:4
22:188 23:2494 24:779 27:26 29:19 31:551
32:17 34:10 35:133 36:1226 37:1134 38:2035
39:543 40:54 41:931 42:155 43:206 44:32
45:3902 46:930 47:83 49:51 50:349 51:253
52:1385 54:274 55:877 56:11 57:18 58:45
59:31 60:16 61:66 62:523 63:765 64:1814
65:1069 66:1575 67:970 68:421 69:1148 70:426
71:208 72:850 74:968 75:434 76:246 77:447
78:311 79:277 80:301 81:351 82:746 83:234
84:349 85:488 86:224 87:255 88:290 89:841
90:105 91:982 92:692 93:446 94:914 95:721
96:306 97:62 98:469 99:159 100:35 101:24
102:381 103:1261 104:1468 105:100 106:58 107:1504
108:528 109:397 110:57 111:1907 112:467 113:40
114:53 115:18 116:56 117:1039 118:164 119:136
120:1163 121:42 122:128 123:152 124:57 125:25
128:400 129:220 130:656 131:939 132:566 133:213
134:550 135:113 136:579 137:486 138:973 139:436
140:704 141:439 142:973 143:663 144:421 145:108
146:689 147:476 148:837 149:729 150:370 151:622
152:508 153:127 154:1431 155:813 156:1198 157:352
158:510 159:738 160:925 161:682 162:987 163:348
164:723 165:810 166:739 167:630 168:1161 169:132
170:1622 171:119 172:1408 173:766 174:251 175:52
176:516 177:1093 178:544 179:688 180:56 181:1724
182:29 183:857 184:504 185:3401 186:2089 187:1434
188:714 189:1730 190:4164 191:474 192:5122 193:1835
194:1245 195:926 196:767 197:1561 198:2685 199:4859
200:3235 201:3267 202:1043 203:718 204:2126 205:1921
206:1517 207:1458 208:1334 209:1922 210:309 211:431
212:1063 213:869 214:1003 215:42 216:2498 217:441
218:521 219:19 220:20 221:301 222:32 223:728
End of report
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