[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 22 20:16:57 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 22 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: 256403
Prefixes after maximum aggregation (per Origin AS): 111548
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 133373
Number of IPv4 prefixes with a valid ROA: 115713
Number of IPv4 prefixes with an invalid ROA: 28
Number of IPv4 prefixes with no ROA: 140662
Total ASes present in the Internet Routing Table: 20047
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 17214
Origin ASes announcing only one prefix: 7648
Transit ASes present in the Internet Routing Table: 2833
Transit-only ASes present in the Internet Routing Table: 731
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: 287
Number of instances of unregistered ASNs: 288
Number of 32-bit ASNs allocated by the RIRs: 46175
Number of 32-bit ASNs visible in the Routing Table: 7842
Prefixes from 32-bit ASNs in the Routing Table: 29464
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: 142
Number of addresses announced to Internet: 1557975037
Equivalent to 92 /8s, 220 /16s and 207 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 42.1
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: 80767
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32380
Total APNIC prefixes after maximum aggregation: 7877
APNIC Deaggregation factor: 4.11
Prefixes being announced from the APNIC address blocks: 31544
Unique aggregates announced from the APNIC address blocks: 8737
APNIC Region origin ASes present in the Internet Routing Table: 1215
APNIC Prefixes per ASN: 25.96
APNIC Region origin ASes announcing only one prefix: 472
APNIC Region transit ASes present in the Internet Routing Table: 219
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: 546
Number of APNIC addresses announced to Internet: 171833964
Equivalent to 10 /8s, 61 /16s and 250 /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: 118029
Total ARIN prefixes after maximum aggregation: 60671
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116196
Unique aggregates announced from the ARIN address blocks: 61603
ARIN Region origin ASes present in the Internet Routing Table: 9018
ARIN Prefixes per ASN: 12.88
ARIN Region origin ASes announcing only one prefix: 3775
ARIN Region transit ASes present in the Internet Routing Table: 844
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: 2040
Number of ARIN addresses announced to Internet: 957859329
Equivalent to 57 /8s, 23 /16s and 198 /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: 45788
Total RIPE prefixes after maximum aggregation: 25134
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 47616
Unique aggregates announced from the RIPE address blocks: 35295
RIPE Region origin ASes present in the Internet Routing Table: 4478
RIPE Prefixes per ASN: 10.63
RIPE Region origin ASes announcing only one prefix: 1862
RIPE Region transit ASes present in the Internet Routing Table: 670
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: 1807
Number of RIPE addresses announced to Internet: 287180368
Equivalent to 17 /8s, 30 /16s and 6 /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: 49275
Total LACNIC prefixes after maximum aggregation: 15133
LACNIC Deaggregation factor: 3.26
Prefixes being announced from the LACNIC address blocks: 48008
Unique aggregates announced from the LACNIC address blocks: 23281
LACNIC Region origin ASes present in the Internet Routing Table: 4198
LACNIC Prefixes per ASN: 11.44
LACNIC Region origin ASes announcing only one prefix: 1418
LACNIC Region transit ASes present in the Internet Routing Table: 876
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: 3294
Number of LACNIC addresses announced to Internet: 99129920
Equivalent to 5 /8s, 232 /16s and 154 /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: 10644
Total AfriNIC prefixes after maximum aggregation: 2532
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 12897
Unique aggregates announced from the AfriNIC address blocks: 4337
AfriNIC Region origin ASes present in the Internet Routing Table: 286
AfriNIC Prefixes per ASN: 45.09
AfriNIC Region origin ASes announcing only one prefix: 121
AfriNIC Region transit ASes present in the Internet Routing Table: 77
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: 155
Number of AfriNIC addresses announced to Internet: 41908224
Equivalent to 2 /8s, 127 /16s and 120 /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 1573 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1540 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 53 CMNET-HUNAN-AP China Mobile communication
24547 835 177 49 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
45102 470 743 138 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 469 8895 146 GIGAINFRA SoftBank Corp., JP
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
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 12799 39191 3792 AMAZON-02, US
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2505 2913 1222 DNIC-ASBLK-00306-00371, US
4155 2370 172 1440 USDA-1, US
7018 2259 22926 1605 ATT-INTERNET4, US
11776 1876 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1778 3506 458 CELLCO-PART, US
209 1677 4890 283 CENTURYLINK-US-LEGACY-QWEST, US
36352 1572 120 932 AS-COLOCROSSING, 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 1271 99 1009 AKAMAI-ASN1, NL
3215 894 4818 290 France Telecom - Orange, FR
3257 786 2068 689 GTT-BACKBONE GTT, US
34984 738 75 431 TELLCOM-AS, TR
25019 661 1015 139 SAUDINETSTC-AS, SA
8452 635 1756 124 TE-AS TE-AS, EG
8376 588 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 550 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 6109 1714 939 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1753 261 1242 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1156 371 22 Telefonica del Peru S.A.A., PE
26615 1011 2503 53 TIM SA, BR
18881 873 1127 31 TELEFONICA BRASIL S.A, BR
28006 642 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 1498 389 16 LINKdotNET-AS, EG
29571 1120 79 377 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 833 509 46 RAYA-AS, EG
36935 685 520 41 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
36914 552 82 3 KENET-AS, KE
36903 406 190 295 MT-MPLS, MA
2018 370 319 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 12799 39191 3792 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6109 1714 939 UNINET, MX
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2505 2913 1222 DNIC-ASBLK-00306-00371, US
4155 2370 172 1440 USDA-1, US
7018 2259 22926 1605 ATT-INTERNET4, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
39891 1936 130 50 ALJAWWALSTC-AS, SA
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 6109 5170 UNINET, MX
22773 3364 3190 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1876 1660 ATLANTICBB-JOHNSTOWN, US
24863 1498 1482 LINKdotNET-AS, EG
56041 1540 1462 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1451 CMNET-HUNAN-AP China Mobile communications corp
209 1677 1394 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 /11:43 /12:150
/13:221 /14:578 /15:1105 /16:7608 /17:3369 /18:4200
/19:7512 /20:12273 /21:14920 /22:27497 /23:26932 /24:149733
/25:51 /26:75 /27:36 /28:17 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3258 6109 UNINET, MX
22773 2507 3364 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2287 12799 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 982 1753 Telmex Colombia S.A., CO
209 967 1677 CENTURYLINK-US-LEGACY-QWEST, US
19901 920 1148 BRSPD-PUBLIC, US
11776 880 1876 ATLANTICBB-JOHNSTOWN, US
20011 868 980 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:62 2:483 3:567 4:5 5:777 6:150
7:5 8:630 11:171 12:980 13:293 14:113
15:297 16:236 17:5 18:885 20:126 21:4
22:188 23:2249 24:673 27:27 29:19 31:369
32:17 34:12 35:130 36:1232 37:578 38:2066
39:540 40:54 41:983 42:212 43:201 44:25
45:3768 46:895 47:87 49:29 50:349 51:374
52:1385 54:279 55:1092 56:9 57:19 58:31
59:29 60:17 61:82 62:525 63:762 64:1726
65:1064 66:1490 67:931 68:399 69:1156 70:435
71:200 72:672 74:914 75:422 76:235 77:458
78:323 79:272 80:262 81:332 82:548 83:219
84:335 85:555 86:227 87:253 88:246 89:749
90:96 91:940 92:640 93:365 94:754 95:585
96:246 97:64 98:447 99:165 100:36 101:108
102:325 103:1199 104:1095 105:208 106:35 107:1159
108:496 109:384 110:30 111:1906 112:460 113:43
114:48 115:26 116:48 117:1049 118:254 119:122
120:1167 121:43 122:178 123:154 124:64 125:28
128:451 129:277 130:649 131:899 132:581 133:212
134:439 135:115 136:578 137:510 138:1005 139:396
140:702 141:425 142:913 143:707 144:405 145:72
146:642 147:461 148:766 149:671 150:367 151:668
152:534 153:124 154:1002 155:766 156:1112 157:364
158:468 159:658 160:881 161:606 162:933 163:340
164:709 165:769 166:595 167:637 168:1511 169:142
170:1654 171:122 172:1131 173:787 174:232 175:63
176:627 177:1113 178:516 179:817 180:74 181:1838
182:50 183:891 184:479 185:3246 186:2402 187:1367
188:754 189:1498 190:5066 191:468 192:4795 193:1727
194:1168 195:907 196:652 197:1527 198:2529 199:4690
200:3937 201:3336 202:1006 203:751 204:2068 205:1979
206:1542 207:1430 208:1288 209:1798 210:321 211:429
212:918 213:713 214:1011 215:36 216:2341 217:441
218:524 219:22 220:40 221:301 222:30 223:733
End of report
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