[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Sep 12 17:05:26 UTC 2021
Global R&E Routing Table Report 17:05 GMT Sun 12 Sep, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14579
Prefixes after maximum aggregation (per Origin AS): 6631
Deaggregation factor: 2.20
Unique aggregates announced (without unneeded subnets): 5954
Total ASes present in the Internet Routing Table: 2139
Prefixes per ASN: 6.82
Origin-only ASes present in the Internet Routing Table: 1845
Origin ASes announcing only one prefix: 875
Transit ASes present in the Internet Routing Table: 294
Transit-only ASes present in the Internet Routing Table: 33
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 14
Max AS path prepend of ASN ( 5474) 11
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 37207
Number of 32-bit ASNs visible in the Routing Table: 463
Prefixes from 32-bit ASNs in the Routing Table: 1368
Number of bogon 32-bit ASNs visible in the Routing Table: 14579
Special use prefixes present in the Routing Table: 913
Prefixes being announced from unallocated address space: 1
Number of addresses announced to Internet: 133946304
Equivalent to 7 /8s, 251 /16s and 219 /24s
Percentage of available address space announced: 3.6
Percentage of allocated address space announced: 3.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 6150
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4097
Total APNIC prefixes after maximum aggregation: 1217
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 1603
Unique aggregates announced from the APNIC address blocks: 572
APNIC Region origin ASes present in the Internet Routing Table: 447
APNIC Prefixes per ASN: 3.59
APNIC Region origin ASes announcing only one prefix: 190
APNIC Region transit ASes present in the Internet Routing Table: 46
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 162
Number of APNIC addresses announced to Internet: 19976224
Equivalent to 1 /8s, 48 /16s and 208 /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, 131072-147769
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: 5441
Total ARIN prefixes after maximum aggregation: 2611
ARIN Deaggregation factor: 2.08
Prefixes being announced from the ARIN address blocks: 7334
Unique aggregates announced from the ARIN address blocks: 2413
ARIN Region origin ASes present in the Internet Routing Table: 856
ARIN Prefixes per ASN: 8.57
ARIN Region origin ASes announcing only one prefix: 315
ARIN Region transit ASes present in the Internet Routing Table: 108
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 105
Number of ARIN addresses announced to Internet: 78884576
Equivalent to 4 /8s, 179 /16s and 174 /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, 393216-401308
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: 3110
Total RIPE prefixes after maximum aggregation: 2362
RIPE Deaggregation factor: 1.32
Prefixes being announced from the RIPE address blocks: 4599
Unique aggregates announced from the RIPE address blocks: 2850
RIPE Region origin ASes present in the Internet Routing Table: 609
RIPE Prefixes per ASN: 7.55
RIPE Region origin ASes announcing only one prefix: 291
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 112
Number of RIPE addresses announced to Internet: 26293696
Equivalent to 1 /8s, 145 /16s and 53 /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
196608-213403
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: 1103
Total LACNIC prefixes after maximum aggregation: 278
LACNIC Deaggregation factor: 3.97
Prefixes being announced from the LACNIC address blocks: 2
Unique aggregates announced from the LACNIC address blocks: 2
LACNIC Region origin ASes present in the Internet Routing Table: 144
LACNIC Prefixes per ASN: 0.01
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 59
Number of LACNIC addresses announced to Internet: 131072
Equivalent to 0 /8s, 2 /16s and 0 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 822
Total AfriNIC prefixes after maximum aggregation: 157
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 127
Unique aggregates announced from the AfriNIC address blocks: 114
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 2.70
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 8462080
Equivalent to 0 /8s, 129 /16s and 31 /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
7497 662 112 4 CSTNET-AS-AP Computer Network Informati
2907 619 2000 196 SINET-AS Research Organization of Infor
1237 188 33 3 KREONET-AS-KR KISTI, KR
7575 180 316 56 AARNET-AS-AP Australian Academic and Re
58647 176 16 1 KAGAWAU-AS Kagawa University, JP
4538 170 1394 38 ERX-CERNET-BKB China Education and Rese
55824 128 18 19 NKN-CORE-NW NKN Core Network, IN
2697 55 1 7 ERX-ERNET-AS Education and Research Net
1659 54 1298 19 ERX-TANET-ASN1 Taiwan Academic Network
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 228 163 29 RISQ-AS, CA
5786 195 16 1 UPRENET, PR
2152 156 404 46 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 111 16 1 LACOE, US
21976 86 49 15 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3477 67 69 23 NOAA-NWAVE, US
22742 66 48 28 CT-EDU-NET, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 275 1979 234 DFN Verein zur Foerderung eines Deutsch
786 186 1721 178 JANET Jisc Services Limited, GB
8895 174 0 2 ISU Internet Services Unit ISU, SA
559 116 550 107 SWITCH Peering requests: peering at switch
1103 95 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 653 75 ASGARR Consortium GARR, IT
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 61 28 36 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 127 39 SUNET SUNET Swedish University Network,
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 189 41 6 Associacao Rede Nacional de Ensino e Pe
11340 94 22 46 Red Universitaria Nacional, CL
1251 65 12 2 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 49 53 30 Fundacao Carlos Chagas Filho de Amparo
19611 44 16 1 Associacao Antonio Vieira - Unisinos, B
4270 42 16 1 Red de Interconexion Universitaria, AR
61468 41 2 11 CEDIA, EC
28614 38 1 1 Fundacao Universidade Regional de Blume
28571 32 16 1 UNIVERSIDADE DE SAO PAULO, BR
20191 31 16 1 Pontificia Universidad Catolica de Chil
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 335 319 72 TENET-1, ZA
327687 135 28 3 RENU, UG
36914 100 82 3 KENET-AS, KE
8094 55 48 4 PUKNET, ZA
327700 35 16 1 MoRENet, MZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7497 662 112 4 CSTNET-AS-AP Computer Network Informati
2907 619 2000 196 SINET-AS Research Organization of Infor
2018 335 319 72 TENET-1, ZA
680 275 1979 234 DFN Verein zur Foerderung eines Deutsch
376 228 163 29 RISQ-AS, CA
5786 195 16 1 UPRENET, PR
1916 189 41 6 Associacao Rede Nacional de Ensino e Pe
1237 188 33 3 KREONET-AS-KR KISTI, KR
786 186 1721 178 JANET Jisc Services Limited, GB
7575 180 316 56 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
2907 619 423 SINET-AS Research Organization of Information a
2018 335 263 TENET-1, ZA
376 228 199 RISQ-AS, CA
5786 195 194 UPRENET, PR
1237 188 185 KREONET-AS-KR KISTI, KR
1916 189 183 Associacao Rede Nacional de Ensino e Pesquisa,
58647 176 175 KAGAWAU-AS Kagawa University, JP
8895 174 172 ISU Internet Services Unit ISU, SA
4538 170 132 ERX-CERNET-BKB China Education and Research Net
18558 136 132 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
14822 UNALLOCATED 40.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 40.163.64.0/24 10466 MAGPI, US
14822 UNALLOCATED 40.163.70.0/24 10466 MAGPI, US
14822 UNALLOCATED 40.163.128.0/17 10466 MAGPI, US
22063 UNALLOCATED 53.10.0.0/16 2152 CSUNET-NW, US
99354 UNALLOCATED 85.19.228.0/22 0 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.28.128.0/18 13796 UCONN-ARIN, US
0.245.128.0/17 7497 CSTNET-AS-AP Computer Network Information Cente
0.245.128.0/24 7497 CSTNET-AS-AP Computer Network Information Cente
0.245.160.0/27 7497 CSTNET-AS-AP Computer Network Information Cente
0.245.192.0/24 7497 CSTNET-AS-AP Computer Network Information Cente
0.245.193.0/24 7497 CSTNET-AS-AP Computer Network Information Cente
0.245.194.0/24 7497 CSTNET-AS-AP Computer Network Information Cente
0.245.200.0/21 7497 CSTNET-AS-AP Computer Network Information Cente
0.245.208.0/21 7497 CSTNET-AS-AP Computer Network Information Cente
0.73.144.0/21 34511 F-INTEGRA-AS Manresa 5, ES
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
41.78.0.0/16 Origin: 680 DFN Verein zur Foerderung eines Deutsche
41.78.0.0/16 Transit: 20965 GEANT The GEANT IP Service, NL
Complete listing at https://bgp.nsrc.org/REN/ASREN/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 /10:2 /11:1 /12:10
/13:19 /14:35 /15:102 /16:1669 /17:277 /18:303
/19:440 /20:662 /21:723 /22:1133 /23:1212 /24:7571
/25:165 /26:144 /27:110 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7497 464 662 CSTNET-AS-AP Computer Network Information Cente
2907 341 619 SINET-AS Research Organization of Information a
2018 238 335 TENET-1, ZA
1916 184 189 Associacao Rede Nacional de Ensino e Pesquisa,
680 138 275 DFN Verein zur Foerderung eines Deutschen Forsc
327687 130 135 RENU, UG
1237 106 188 KREONET-AS-KR KISTI, KR
270 94 119 AS270, US
11340 92 94 Red Universitaria Nacional, CL
376 68 228 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:264 2:401 3:529 4:427 5:206 6:198
7:177 8:60 9:157 10:180 11:18 12:175
13:4 14:18 16:49 17:17 18:22 19:31
20:9 21:27 22:13 23:2 24:39 28:65
29:31 30:84 31:84 32:51 33:138 34:87
36:186 37:107 38:10 39:4 40:34 41:2
42:21 43:32 44:27 46:122 47:26 48:7
49:13 50:19 51:6 52:61 53:6 54:24
55:36 56:65 57:25 58:42 59:116 60:25
61:15 62:11 63:61 64:35 65:53 66:1
67:16 68:102 69:9 70:43 72:2 73:1
75:20 76:8 77:8 78:1 79:7 80:21
82:5 84:4 85:36 86:2 87:17 88:12
89:5 90:36 91:6 92:1170 93:186 94:110
95:58 96:174 97:5 98:327 99:179
End of report
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