[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Feb 18 20:16:55 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 18 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: 258033
Prefixes after maximum aggregation (per Origin AS): 112193
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 134325
Number of IPv4 prefixes with a valid ROA: 116779
Number of IPv4 prefixes with an invalid ROA: 24
Number of IPv4 prefixes with no ROA: 141230
Total ASes present in the Internet Routing Table: 20077
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 17240
Origin ASes announcing only one prefix: 7707
Transit ASes present in the Internet Routing Table: 2837
Transit-only ASes present in the Internet Routing Table: 727
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: 293
Number of instances of unregistered ASNs: 294
Number of 32-bit ASNs allocated by the RIRs: 46150
Number of 32-bit ASNs visible in the Routing Table: 7841
Prefixes from 32-bit ASNs in the Routing Table: 29744
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: 1555297597
Equivalent to 92 /8s, 179 /16s and 245 /24s
Percentage of available address space announced: 42.0
Percentage of allocated address space announced: 42.0
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: 81513
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32118
Total APNIC prefixes after maximum aggregation: 7880
APNIC Deaggregation factor: 4.08
Prefixes being announced from the APNIC address blocks: 30770
Unique aggregates announced from the APNIC address blocks: 8339
APNIC Region origin ASes present in the Internet Routing Table: 1163
APNIC Prefixes per ASN: 26.46
APNIC Region origin ASes announcing only one prefix: 456
APNIC Region transit ASes present in the Internet Routing Table: 221
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: 509
Number of APNIC addresses announced to Internet: 168933996
Equivalent to 10 /8s, 17 /16s and 186 /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: 117935
Total ARIN prefixes after maximum aggregation: 60798
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 116132
Unique aggregates announced from the ARIN address blocks: 61539
ARIN Region origin ASes present in the Internet Routing Table: 9023
ARIN Prefixes per ASN: 12.87
ARIN Region origin ASes announcing only one prefix: 3783
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: 2044
Number of ARIN addresses announced to Internet: 956800833
Equivalent to 57 /8s, 7 /16s and 159 /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: 46734
Total RIPE prefixes after maximum aggregation: 25519
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 48362
Unique aggregates announced from the RIPE address blocks: 35636
RIPE Region origin ASes present in the Internet Routing Table: 4520
RIPE Prefixes per ASN: 10.70
RIPE Region origin ASes announcing only one prefix: 1882
RIPE Region transit ASes present in the Internet Routing Table: 676
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1822
Number of RIPE addresses announced to Internet: 287763536
Equivalent to 17 /8s, 38 /16s and 236 /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: 50125
Total LACNIC prefixes after maximum aggregation: 15204
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 48863
Unique aggregates announced from the LACNIC address blocks: 23435
LACNIC Region origin ASes present in the Internet Routing Table: 4229
LACNIC Prefixes per ASN: 11.55
LACNIC Region origin ASes announcing only one prefix: 1463
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: 3310
Number of LACNIC addresses announced to Internet: 99736128
Equivalent to 5 /8s, 241 /16s and 218 /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: 10828
Total AfriNIC prefixes after maximum aggregation: 2586
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 13767
Unique aggregates announced from the AfriNIC address blocks: 5259
AfriNIC Region origin ASes present in the Internet Routing Table: 291
AfriNIC Prefixes per ASN: 47.31
AfriNIC Region origin ASes announcing only one prefix: 123
AfriNIC Region transit ASes present in the Internet Routing Table: 78
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: 156
Number of AfriNIC addresses announced to Internet: 42000640
Equivalent to 2 /8s, 128 /16s and 225 /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 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 53 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 732 46 434 LCS-AS-AP LARUS Limited, HK
2907 639 2170 465 SINET-AS Research Organization of Informa
17676 470 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 12737 38948 3751 AMAZON-02, US
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2532 2932 1232 DNIC-ASBLK-00306-00371, US
4155 2364 171 1434 USDA-1, US
7018 2263 22926 1609 ATT-INTERNET4, US
11776 1877 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1774 3498 454 CELLCO-PART, US
209 1678 4890 283 CENTURYLINK-US-LEGACY-QWEST, US
36352 1560 119 912 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 1276 99 1010 AKAMAI-ASN1, NL
3215 924 4894 281 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
34984 737 75 430 TELLCOM-AS, TR
25019 661 1015 139 SAUDINETSTC-AS, SA
8452 641 1756 124 TE-AS TE-AS, EG
8376 587 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 561 41 494 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 6705 1811 877 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1765 262 1244 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1148 371 22 Telefonica del Peru S.A.A., PE
26615 1002 2503 53 TIM SA, BR
18881 872 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 1617 389 18 LINKdotNET-AS, EG
29571 1117 79 375 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 849 509 46 RAYA-AS, EG
36935 685 520 41 Vodafone-, EG
36992 639 1227 131 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36914 475 82 3 KENET-AS, KE
36903 391 184 287 MT-MPLS, MA
2018 379 319 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 12737 38948 3751 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6705 1811 877 UNINET, MX
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2532 2932 1232 DNIC-ASBLK-00306-00371, US
4155 2364 171 1434 USDA-1, US
7018 2263 22926 1609 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 6705 5828 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 1877 1663 ATLANTICBB-JOHNSTOWN, US
24863 1617 1599 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1451 CMNET-HUNAN-AP China Mobile communications corp
209 1678 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 /11:43 /12:150
/13:221 /14:577 /15:1102 /16:7566 /17:3370 /18:4180
/19:7571 /20:12363 /21:15190 /22:27685 /23:27141 /24:150611
/25:49 /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 3536 6705 UNINET, MX
22773 2509 3371 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2276 12737 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 993 1765 Telmex Colombia S.A., CO
209 968 1678 CENTURYLINK-US-LEGACY-QWEST, US
19901 912 1136 BRSPD-PUBLIC, US
11776 881 1877 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 2:486 3:567 4:5 5:783 6:152
7:5 8:636 11:171 12:979 13:291 14:114
15:297 16:237 17:5 18:883 20:126 21:4
22:188 23:2253 24:676 27:29 29:19 31:389
32:19 34:12 35:130 36:1232 37:579 38:2051
39:540 40:54 41:1007 42:209 43:203 44:25
45:3877 46:904 47:86 49:36 50:347 51:376
52:1384 54:279 55:1088 56:9 57:18 58:31
59:31 60:16 61:75 62:538 63:759 64:1730
65:1064 66:1499 67:936 68:382 69:1156 70:433
71:202 72:665 74:914 75:422 76:235 77:457
78:321 79:276 80:315 81:335 82:509 83:218
84:332 85:559 86:221 87:255 88:249 89:740
90:96 91:955 92:645 93:366 94:780 95:586
96:244 97:58 98:447 99:162 100:36 101:31
102:324 103:1127 104:1057 105:273 106:40 107:1162
108:500 109:386 110:31 111:1898 112:460 113:39
114:48 115:23 116:50 117:1041 118:173 119:122
120:1166 121:40 122:117 123:145 124:57 125:25
128:448 129:281 130:650 131:900 132:581 133:212
134:443 135:115 136:578 137:505 138:1005 139:385
140:698 141:437 142:911 143:713 144:415 145:74
146:649 147:489 148:760 149:672 150:367 151:667
152:551 153:124 154:1186 155:769 156:1505 157:366
158:495 159:652 160:881 161:614 162:932 163:365
164:730 165:771 166:609 167:639 168:1583 169:145
170:1645 171:122 172:1126 173:784 174:232 175:57
176:685 177:1118 178:548 179:801 180:70 181:1822
182:37 183:871 184:444 185:3297 186:2409 187:1386
188:743 189:1580 190:5068 191:470 192:4775 193:1749
194:1189 195:920 196:660 197:1528 198:2537 199:4675
200:3951 201:3402 202:972 203:684 204:2071 205:1958
206:1548 207:1433 208:1275 209:1827 210:318 211:427
212:919 213:735 214:1014 215:42 216:2344 217:426
218:523 219:22 220:30 221:301 222:30 223:732
End of report
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