[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Feb 16 20:17:05 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 16 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: 257330
Prefixes after maximum aggregation (per Origin AS): 112397
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 135215
Number of IPv4 prefixes with a valid ROA: 115200
Number of IPv4 prefixes with an invalid ROA: 20
Number of IPv4 prefixes with no ROA: 142110
Total ASes present in the Internet Routing Table: 20055
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 17219
Origin ASes announcing only one prefix: 7699
Transit ASes present in the Internet Routing Table: 2836
Transit-only ASes present in the Internet Routing Table: 726
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: 46152
Number of 32-bit ASNs visible in the Routing Table: 7803
Prefixes from 32-bit ASNs in the Routing Table: 29674
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: 1554648765
Equivalent to 92 /8s, 170 /16s and 14 /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: 80947
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31487
Total APNIC prefixes after maximum aggregation: 7697
APNIC Deaggregation factor: 4.09
Prefixes being announced from the APNIC address blocks: 30214
Unique aggregates announced from the APNIC address blocks: 8243
APNIC Region origin ASes present in the Internet Routing Table: 1132
APNIC Prefixes per ASN: 26.69
APNIC Region origin ASes announcing only one prefix: 442
APNIC Region transit ASes present in the Internet Routing Table: 218
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: 484
Number of APNIC addresses announced to Internet: 168292460
Equivalent to 10 /8s, 7 /16s and 240 /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: 119241
Total ARIN prefixes after maximum aggregation: 61342
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117366
Unique aggregates announced from the ARIN address blocks: 62794
ARIN Region origin ASes present in the Internet Routing Table: 9039
ARIN Prefixes per ASN: 12.98
ARIN Region origin ASes announcing only one prefix: 3793
ARIN Region transit ASes present in the Internet Routing Table: 842
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: 2053
Number of ARIN addresses announced to Internet: 957646145
Equivalent to 57 /8s, 20 /16s and 133 /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: 46550
Total RIPE prefixes after maximum aggregation: 25440
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 48202
Unique aggregates announced from the RIPE address blocks: 35400
RIPE Region origin ASes present in the Internet Routing Table: 4517
RIPE Prefixes per ASN: 10.67
RIPE Region origin ASes announcing only one prefix: 1880
RIPE Region transit ASes present in the Internet Routing Table: 679
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: 287941840
Equivalent to 17 /8s, 41 /16s and 164 /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: 49179
Total LACNIC prefixes after maximum aggregation: 15029
LACNIC Deaggregation factor: 3.27
Prefixes being announced from the LACNIC address blocks: 47929
Unique aggregates announced from the LACNIC address blocks: 23178
LACNIC Region origin ASes present in the Internet Routing Table: 4232
LACNIC Prefixes per ASN: 11.33
LACNIC Region origin ASes announcing only one prefix: 1460
LACNIC Region transit ASes present in the Internet Routing Table: 881
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: 3307
Number of LACNIC addresses announced to Internet: 99028288
Equivalent to 5 /8s, 231 /16s and 13 /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: 10580
Total AfriNIC prefixes after maximum aggregation: 2684
AfriNIC Deaggregation factor: 3.94
Prefixes being announced from the AfriNIC address blocks: 13480
Unique aggregates announced from the AfriNIC address blocks: 5483
AfriNIC Region origin ASes present in the Internet Routing Table: 286
AfriNIC Prefixes per ASN: 47.13
AfriNIC Region origin ASes announcing only one prefix: 124
AfriNIC Region transit ASes present in the Internet Routing Table: 76
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: 152
Number of AfriNIC addresses announced to Internet: 41677568
Equivalent to 2 /8s, 123 /16s and 243 /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 738 47 437 LCS-AS-AP LARUS Limited, HK
2907 639 2170 465 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 12740 38949 3732 AMAZON-02, US
22773 3370 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2502 2927 1216 DNIC-ASBLK-00306-00371, US
4155 2361 171 1433 USDA-1, US
7018 2263 22926 1609 ATT-INTERNET4, US
36352 2239 190 993 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 1247 97 994 AKAMAI-ASN1, NL
3215 924 4894 281 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
25019 661 1015 139 SAUDINETSTC-AS, SA
8452 621 1756 123 TE-AS TE-AS, EG
8376 589 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 549 40 482 CDNEXT, GB
34984 467 58 364 TELLCOM-AS, TR
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 5986 1684 866 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 1112 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 1460 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 465 82 3 KENET-AS, KE
36903 406 190 295 MT-MPLS, MA
2018 380 319 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 12740 38949 3732 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5986 1684 866 UNINET, MX
22773 3370 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2502 2927 1216 DNIC-ASBLK-00306-00371, US
4155 2361 171 1433 USDA-1, US
7018 2263 22926 1609 ATT-INTERNET4, US
36352 2239 190 993 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 5986 5120 UNINET, MX
22773 3370 3190 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
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
24863 1460 1444 LINKdotNET-AS, EG
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 /11:43 /12:150
/13:219 /14:577 /15:1097 /16:7573 /17:3401 /18:4172
/19:7516 /20:12375 /21:15035 /22:27692 /23:27299 /24:149919
/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 3203 5986 UNINET, MX
22773 2509 3370 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2277 12740 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
209 969 1679 CENTURYLINK-US-LEGACY-QWEST, US
19901 911 1128 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 895 2239 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 2:480 3:566 4:5 5:778 6:152
7:5 8:636 11:171 12:981 13:291 14:113
15:298 16:237 17:5 18:885 20:126 21:4
22:188 23:2381 24:682 27:27 29:19 31:396
32:19 34:12 35:131 36:1232 37:570 38:2087
39:540 40:54 41:931 42:183 43:170 44:25
45:3806 46:924 47:87 49:29 50:347 51:376
52:1385 54:279 55:1082 56:9 57:18 58:31
59:31 60:16 61:75 62:532 63:761 64:1730
65:1066 66:1507 67:936 68:384 69:1176 70:433
71:202 72:665 74:898 75:428 76:242 77:459
78:318 79:276 80:313 81:331 82:498 83:213
84:316 85:521 86:219 87:250 88:246 89:746
90:96 91:947 92:631 93:362 94:806 95:577
96:240 97:55 98:449 99:162 100:36 101:31
102:332 103:972 104:1166 105:210 106:35 107:1418
108:507 109:381 110:24 111:1898 112:460 113:36
114:44 115:23 116:50 117:1041 118:104 119:122
120:1165 121:40 122:69 123:83 124:52 125:25
128:450 129:281 130:653 131:904 132:578 133:212
134:444 135:113 136:568 137:506 138:1008 139:387
140:698 141:436 142:910 143:698 144:415 145:75
146:653 147:491 148:762 149:666 150:364 151:674
152:545 153:124 154:1228 155:765 156:1491 157:361
158:509 159:645 160:875 161:613 162:952 163:340
164:729 165:761 166:611 167:644 168:1586 169:143
170:1645 171:119 172:1179 173:789 174:232 175:56
176:439 177:1115 178:549 179:806 180:69 181:1837
182:36 183:872 184:438 185:3321 186:2402 187:1116
188:726 189:1477 190:5047 191:489 192:4868 193:1753
194:1182 195:924 196:652 197:1543 198:2591 199:4678
200:3934 201:3287 202:969 203:677 204:2072 205:1965
206:1548 207:1439 208:1280 209:1829 210:317 211:427
212:909 213:716 214:1015 215:36 216:2342 217:451
218:523 219:22 220:31 221:301 222:30 223:731
End of report
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