[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Feb 15 20:17:03 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 15 Feb, 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: 256603
Prefixes after maximum aggregation (per Origin AS): 111944
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 134819
Number of IPv4 prefixes with a valid ROA: 114893
Number of IPv4 prefixes with an invalid ROA: 21
Number of IPv4 prefixes with no ROA: 141689
Total ASes present in the Internet Routing Table: 19991
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 17174
Origin ASes announcing only one prefix: 7686
Transit ASes present in the Internet Routing Table: 2817
Transit-only ASes present in the Internet Routing Table: 729
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: 290
Number of instances of unregistered ASNs: 291
Number of 32-bit ASNs allocated by the RIRs: 46137
Number of 32-bit ASNs visible in the Routing Table: 7777
Prefixes from 32-bit ASNs in the Routing Table: 29487
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: 139
Number of addresses announced to Internet: 1545987773
Equivalent to 92 /8s, 37 /16s and 230 /24s
Percentage of available address space announced: 41.8
Percentage of allocated address space announced: 41.8
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: 80770
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31335
Total APNIC prefixes after maximum aggregation: 7652
APNIC Deaggregation factor: 4.10
Prefixes being announced from the APNIC address blocks: 30133
Unique aggregates announced from the APNIC address blocks: 8182
APNIC Region origin ASes present in the Internet Routing Table: 1124
APNIC Prefixes per ASN: 26.81
APNIC Region origin ASes announcing only one prefix: 439
APNIC Region transit ASes present in the Internet Routing Table: 216
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: 480
Number of APNIC addresses announced to Internet: 168279404
Equivalent to 10 /8s, 7 /16s and 189 /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: 118972
Total ARIN prefixes after maximum aggregation: 61248
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117157
Unique aggregates announced from the ARIN address blocks: 62695
ARIN Region origin ASes present in the Internet Routing Table: 9013
ARIN Prefixes per ASN: 13.00
ARIN Region origin ASes announcing only one prefix: 3784
ARIN Region transit ASes present in the Internet Routing Table: 840
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: 2044
Number of ARIN addresses announced to Internet: 957195073
Equivalent to 57 /8s, 13 /16s and 163 /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: 46392
Total RIPE prefixes after maximum aggregation: 25222
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47772
Unique aggregates announced from the RIPE address blocks: 35209
RIPE Region origin ASes present in the Internet Routing Table: 4485
RIPE Prefixes per ASN: 10.65
RIPE Region origin ASes announcing only one prefix: 1872
RIPE Region transit ASes present in the Internet Routing Table: 668
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: 1793
Number of RIPE addresses announced to Internet: 279854288
Equivalent to 16 /8s, 174 /16s and 60 /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: 49069
Total LACNIC prefixes after maximum aggregation: 14968
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 47823
Unique aggregates announced from the LACNIC address blocks: 23068
LACNIC Region origin ASes present in the Internet Routing Table: 4233
LACNIC Prefixes per ASN: 11.30
LACNIC Region origin ASes announcing only one prefix: 1465
LACNIC Region transit ASes present in the Internet Routing Table: 878
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3310
Number of LACNIC addresses announced to Internet: 98994752
Equivalent to 5 /8s, 230 /16s and 138 /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: 10545
Total AfriNIC prefixes after maximum aggregation: 2649
AfriNIC Deaggregation factor: 3.98
Prefixes being announced from the AfriNIC address blocks: 13579
Unique aggregates announced from the AfriNIC address blocks: 5548
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 47.81
AfriNIC Region origin ASes announcing only one prefix: 126
AfriNIC Region transit ASes present in the Internet Routing Table: 77
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: 150
Number of AfriNIC addresses announced to Internet: 41601792
Equivalent to 2 /8s, 122 /16s and 203 /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 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1572 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
17561 661 42 427 LCS-AS-AP LARUS Limited, HK
2907 638 2168 464 SINET-AS Research Organization of Informa
17676 473 8895 146 GIGAINFRA SoftBank Corp., JP
45102 470 743 138 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 12727 38948 3736 AMAZON-02, US
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2503 2927 1217 DNIC-ASBLK-00306-00371, US
4155 2371 172 1438 USDA-1, US
7018 2263 22926 1609 ATT-INTERNET4, US
36352 2203 183 979 AS-COLOCROSSING, US
11776 1895 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1771 3497 452 CELLCO-PART, US
209 1679 4890 284 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 1243 97 991 AKAMAI-ASN1, NL
3215 924 4894 281 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
62240 746 51 335 CLOUVIDER Clouvider - Global ASN, GB
25019 661 1015 139 SAUDINETSTC-AS, SA
8452 621 1756 123 TE-AS TE-AS, EG
8376 590 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 551 40 484 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 5993 1688 865 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1687 250 1202 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1111 371 22 Telefonica del Peru S.A.A., PE
26615 1010 2503 53 TIM SA, BR
18881 872 1127 31 TELEFONICA BRASIL S.A, BR
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
26599 562 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 1502 389 16 LINKdotNET-AS, EG
29571 1112 79 372 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 834 440 138 RAYA-AS, EG
36935 685 520 41 Vodafone-, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36914 468 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
36903 347 166 273 MT-MPLS, MA
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 12727 38948 3736 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5993 1688 865 UNINET, MX
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2503 2927 1217 DNIC-ASBLK-00306-00371, US
4155 2371 172 1438 USDA-1, US
7018 2263 22926 1609 ATT-INTERNET4, US
36352 2203 183 979 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 10150 10063 CHINAMOBILE-CN China Mobile Communications Grou
8151 5993 5128 UNINET, MX
22773 3371 3191 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1681 ATLANTICBB-JOHNSTOWN, US
24863 1502 1486 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1679 1395 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
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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
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 /11:42 /12:149
/13:214 /14:574 /15:1094 /16:7562 /17:3397 /18:4158
/19:7489 /20:12308 /21:14917 /22:27606 /23:27217 /24:149614
/25:48 /26:76 /27:38 /28:17 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3207 5993 UNINET, MX
22773 2510 3371 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2272 12727 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
209 969 1679 CENTURYLINK-US-LEGACY-QWEST, US
10620 949 1687 Telmex Colombia S.A., CO
19901 911 1129 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 891 2203 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:60 2:477 3:566 4:5 5:769 6:152
7:5 8:635 11:171 12:979 13:290 14:115
15:297 16:234 17:5 18:885 20:117 21:4
22:188 23:2375 24:681 27:25 29:19 31:404
32:19 34:11 35:130 36:1231 37:577 38:2083
39:540 40:54 41:935 42:183 43:166 44:25
45:3776 46:925 47:86 49:29 50:348 51:374
52:1384 54:279 55:1094 56:9 57:18 58:31
59:30 60:16 61:75 62:523 63:760 64:1728
65:1066 66:1512 67:931 68:398 69:1161 70:433
71:202 72:667 74:896 75:428 76:235 77:452
78:317 79:277 80:288 81:336 82:506 83:213
84:317 85:519 86:219 87:253 88:245 89:751
90:96 91:939 92:630 93:364 94:798 95:590
96:240 97:55 98:448 99:161 100:36 101:30
102:315 103:932 104:1148 105:210 106:35 107:1415
108:507 109:373 110:24 111:1898 112:460 113:36
114:43 115:20 116:50 117:1041 118:96 119:122
120:1165 121:40 122:69 123:83 124:52 125:26
128:450 129:281 130:653 131:906 132:581 133:212
134:445 135:113 136:569 137:506 138:1005 139:384
140:700 141:435 142:910 143:699 144:409 145:75
146:632 147:490 148:762 149:668 150:362 151:665
152:545 153:124 154:1450 155:762 156:1399 157:360
158:480 159:647 160:872 161:619 162:949 163:341
164:727 165:760 166:648 167:644 168:1498 169:143
170:1640 171:118 172:1174 173:774 174:225 175:46
176:438 177:1113 178:545 179:807 180:69 181:1823
182:36 183:872 184:439 185:3301 186:2394 187:1117
188:728 189:1480 190:5039 191:484 192:4869 193:1744
194:1181 195:911 196:649 197:1544 198:2589 199:4684
200:3932 201:3287 202:969 203:676 204:2070 205:1972
206:1541 207:1433 208:1278 209:1842 210:317 211:427
212:914 213:716 214:999 215:36 216:2339 217:452
218:522 219:22 220:29 221:301 222:30 223:731
End of report
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