[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 14 20:25:43 UTC 2024
IPv4 R&E Routing Table Report 20:25 GMT Fri 14 Jun, 2024
IPv4 BGP Table (R&E) as seen at AIT.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AIT/
Analysis Summary
----------------
BGP routing table entries examined: 22669
Prefixes after maximum aggregation (per Origin AS): 11337
Deaggregation factor: 2.00
Unique aggregates announced (without unneeded subnets): 12762
Number of IPv4 prefixes with a valid ROA: 9253
Number of IPv4 prefixes with an invalid ROA: 136
Number of IPv4 prefixes with no ROA: 13280
Total ASes present in the Internet Routing Table: 2949
Prefixes per ASN: 7.69
Origin-only ASes present in the Internet Routing Table: 2535
Origin ASes announcing only one prefix: 1118
Transit ASes present in the Internet Routing Table: 414
Transit-only ASes present in the Internet Routing Table: 84
Paths with bogon ASNs present in the IPv4 Routing Table: 9
Average AS path length visible in the Internet Routing Table: 6.8
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 44755
Number of 32-bit ASNs visible in the Routing Table: 778
Prefixes from 32-bit ASNs in the Routing Table: 3373
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1
Number of addresses announced to Internet: 191287880
Equivalent to 11 /8s, 102 /16s and 210 /24s
Percentage of available address space announced: 5.2
Percentage of allocated address space announced: 5.2
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: 2123
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8404
Total APNIC prefixes after maximum aggregation: 2936
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 8217
Unique aggregates announced from the APNIC address blocks: 3412
APNIC Region origin ASes present in the Internet Routing Table: 716
APNIC Prefixes per ASN: 11.48
APNIC Region origin ASes announcing only one prefix: 296
APNIC Region transit ASes present in the Internet Routing Table: 94
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 341
Number of APNIC addresses announced to Internet: 36260936
Equivalent to 2 /8s, 41 /16s and 76 /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, 131072-153913
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: 8629
Total ARIN prefixes after maximum aggregation: 4829
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 8751
Unique aggregates announced from the ARIN address blocks: 5399
ARIN Region origin ASes present in the Internet Routing Table: 1277
ARIN Prefixes per ASN: 6.85
ARIN Region origin ASes announcing only one prefix: 451
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 8.0
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 207
Number of ARIN addresses announced to Internet: 91107584
Equivalent to 5 /8s, 110 /16s and 49 /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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3526
Total RIPE prefixes after maximum aggregation: 2841
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3587
Unique aggregates announced from the RIPE address blocks: 2949
RIPE Region origin ASes present in the Internet Routing Table: 678
RIPE Prefixes per ASN: 5.29
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 8.6
Max RIPE Region AS path length visible: 18
Number of RIPE region 32-bit ASNs visible in the Routing Table: 157
Number of RIPE addresses announced to Internet: 57588480
Equivalent to 3 /8s, 110 /16s and 187 /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,
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: 1363
Total LACNIC prefixes after maximum aggregation: 542
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1362
Unique aggregates announced from the LACNIC address blocks: 726
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 8.51
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 9.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4132608
Equivalent to 0 /8s, 63 /16s and 15 /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: 740
Total AfriNIC prefixes after maximum aggregation: 182
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 751
Unique aggregates announced from the AfriNIC address blocks: 275
AfriNIC Region origin ASes present in the Internet Routing Table: 29
AfriNIC Prefixes per ASN: 25.90
AfriNIC Region origin ASes announcing only one prefix: 12
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 7.5
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2196224
Equivalent to 0 /8s, 33 /16s and 131 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7470 684 363 73 UNASSIGNED
131090 583 55 9 UNASSIGNED
45458 513 41 55 UNASSIGNED
9931 505 71 36 CAT-AP The Communication Authoity of Th
7497 440 180 24 UNASSIGNED
131293 276 23 65 UNASSIGNED
4765 208 13 95 UNASSIGNED
1237 191 74 142 UNASSIGNED
7575 172 329 115 UNASSIGNED
23884 157 10 26 PROENNET-AS Proen Corp Public Company L
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 480 507 96 CSUNET-NW, US
2920 224 44 45 LACOE, US
376 203 162 152 RISQ-AS, CA
668 203 632 172 UNASSIGNED
5786 199 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 132 501 32 NCREN, US
23024 106 7 22 OCDE, US
237 85 543 51 UNASSIGNED
1736 79 16 1 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 123 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 76 26 66 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
1916 139 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 109 25 52 Red Universitaria Nacional, CL
271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 37 8 4 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 381 319 71 TENET-1, ZA
36914 128 10 35 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7470 684 363 73 UNASSIGNED
131090 583 55 9 UNASSIGNED
45458 513 41 55 UNASSIGNED
9931 505 71 36 CAT-AP The Communication Authoity of Th
2152 480 507 96 CSUNET-NW, US
7497 440 180 24 UNASSIGNED
2018 381 319 71 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
131293 276 23 65 UNASSIGNED
2920 224 44 45 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
131090 583 574 UNASSIGNED
9931 505 469 CAT-AP The Communication Authoity of Thailand,
45458 513 458 UNASSIGNED
7497 440 416 UNASSIGNED
2152 480 384 CSUNET-NW, US
2018 381 310 TENET-1, ZA
131293 276 211 UNASSIGNED
5786 199 198 UPRENET, PR
2920 224 179 LACOE, US
18558 141 136 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65208 PRIVATE 63.225.1.0/24 11570 AS11570, US
26971 UNALLOCATED 129.111.0.0/16 276 UNASSIGNED
65007 PRIVATE 134.204.208.0/24 18723 SEAGATE-USA-CA-1, US
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US
65044 PRIVATE 192.55.18.0/23 18723 SEAGATE-USA-CA-1, US
65208 PRIVATE 216.161.32.0/23 11570 AS11570, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
Complete listing at https://bgp.nsrc.org/REN/AIT/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 /8:0 /9:1 /10:1 /11:1 /12:10
/13:18 /14:33 /15:121 /16:1821 /17:427 /18:549
/19:612 /20:1002 /21:913 /22:1834 /23:1775 /24:13544
/25:1 /26:2 /27:3 /28:0 /29:1 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 124 128 KENET-AS, KE
8895 118 123 ISU Internet Services Unit ISU, SA
2152 56 480 CSUNET-NW, US
23024 49 106 OCDE, US
134729 46 62 UNASSIGNED
133481 39 66 UNASSIGNED
32440 38 64 LONI, US
327700 38 43 MoRENet, MZ
3267 35 76 RUNNET, RU
18632 34 67 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:133 2:1 5:16 6:4 8:4 12:1
14:95 23:22 24:1 27:48 31:1 35:3
38:14 40:1 41:199 42:9 43:20 44:5
45:69 46:5 47:4 49:336 50:6 52:1
58:99 59:19 60:6 61:288 62:8 63:37
64:46 65:36 66:61 67:42 68:10 69:19
70:2 71:4 72:7 74:52 76:42 77:10
78:3 79:10 80:14 81:26 82:6 83:7
84:8 85:31 86:5 87:1 89:13 91:46
92:3 93:5 94:2 95:17 97:2 98:3
101:8 102:5 103:414 104:80 107:20 108:11
109:7 110:396 111:29 112:26 113:39 114:28
115:9 116:29 117:63 118:112 119:198 121:9
122:241 123:1 124:47 125:9 128:86 129:41
130:84 131:62 132:66 133:13 134:308 136:199
137:79 138:58 139:11 140:43 141:10 142:26
143:27 144:27 145:2 146:138 147:93 148:200
149:11 150:45 151:9 152:136 153:15 154:68
155:64 156:135 157:25 158:35 159:261 160:4
161:23 162:23 163:72 164:70 165:49 166:1
167:20 168:121 169:6 170:113 171:141 172:5
173:7 174:1 175:18 176:8 177:4 179:14
180:69 181:1 182:12 183:7 184:11 185:60
186:3 187:18 188:15 189:3 190:18 191:16
192:1321 193:261 194:136 195:73 196:154 197:1
198:547 199:279 200:253 201:37 202:581 203:822
204:395 205:165 206:204 207:285 208:72 209:196
210:258 211:16 212:156 213:6 214:8 216:92
217:10 218:23 220:17 221:36 222:2 223:59
End of report
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