[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Nov 30 17:05:29 UTC 2021
Global R&E Routing Table Report 17:05 GMT Tue 30 Nov, 2021
BGP Table (R&E) as seen at ASREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14381
Prefixes after maximum aggregation (per Origin AS): 8299
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 9151
Total ASes present in the Internet Routing Table: 2164
Prefixes per ASN: 6.65
Origin-only ASes present in the Internet Routing Table: 1859
Origin ASes announcing only one prefix: 882
Transit ASes present in the Internet Routing Table: 305
Transit-only ASes present in the Internet Routing Table: 37
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: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 37932
Number of 32-bit ASNs visible in the Routing Table: 486
Prefixes from 32-bit ASNs in the Routing Table: 1396
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: 0
Number of addresses announced to Internet: 176375040
Equivalent to 10 /8s, 131 /16s and 69 /24s
Percentage of available address space announced: 4.8
Percentage of allocated address space announced: 4.8
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: 1645
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3864
Total APNIC prefixes after maximum aggregation: 2034
APNIC Deaggregation factor: 1.90
Prefixes being announced from the APNIC address blocks: 3866
Unique aggregates announced from the APNIC address blocks: 2235
APNIC Region origin ASes present in the Internet Routing Table: 451
APNIC Prefixes per ASN: 8.57
APNIC Region origin ASes announcing only one prefix: 193
APNIC Region transit ASes present in the Internet Routing Table: 48
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: 169
Number of APNIC addresses announced to Internet: 44593984
Equivalent to 2 /8s, 168 /16s and 115 /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, 131072-151865
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: 5415
Total ARIN prefixes after maximum aggregation: 3200
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 5426
Unique aggregates announced from the ARIN address blocks: 3607
ARIN Region origin ASes present in the Internet Routing Table: 869
ARIN Prefixes per ASN: 6.24
ARIN Region origin ASes announcing only one prefix: 312
ARIN Region transit ASes present in the Internet Routing Table: 116
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 113
Number of ARIN addresses announced to Internet: 70356480
Equivalent to 4 /8s, 49 /16s and 142 /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: 3106
Total RIPE prefixes after maximum aggregation: 2484
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3099
Unique aggregates announced from the RIPE address blocks: 2580
RIPE Region origin ASes present in the Internet Routing Table: 611
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 298
RIPE Region transit ASes present in the Internet Routing Table: 101
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: 120
Number of RIPE addresses announced to Internet: 55686624
Equivalent to 3 /8s, 81 /16s and 181 /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: 1048
Total LACNIC prefixes after maximum aggregation: 417
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1046
Unique aggregates announced from the LACNIC address blocks: 501
LACNIC Region origin ASes present in the Internet Routing Table: 146
LACNIC Prefixes per ASN: 7.16
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 22
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: 60
Number of LACNIC addresses announced to Internet: 3070432
Equivalent to 0 /8s, 46 /16s and 217 /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: 944
Total AfriNIC prefixes after maximum aggregation: 160
AfriNIC Deaggregation factor: 5.90
Prefixes being announced from the AfriNIC address blocks: 944
Unique aggregates announced from the AfriNIC address blocks: 228
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 20.09
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2667520
Equivalent to 0 /8s, 40 /16s and 180 /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
2907 622 2156 457 SINET-AS Research Organization of Infor
7497 424 177 19 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
4538 172 4192 72 ERX-CERNET-BKB China Education and Rese
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
2697 54 3 32 ERX-ERNET-AS Education and Research Net
1659 51 1434 33 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
5786 195 16 1 UPRENET, PR
2152 157 507 85 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 112 34 6 LACOE, US
376 109 9 78 RISQ-AS, CA
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
22742 68 53 34 CT-EDU-NET, US
3477 65 71 38 NOAA-NWAVE, 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
680 278 1998 238 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 176 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 97 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 59 33 57 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 167 49 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 183 178 36 Associacao Rede Nacional de Ensino e Pe
11340 95 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 42 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 30 21 19 UNIVERSIDADE DE SAO PAULO, BR
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
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 345 319 71 TENET-1, ZA
36914 204 82 3 KENET-AS, KE
327687 125 28 3 RENU, UG
8094 50 48 4 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
37074 10 7 7 UG-AS, GH
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
2907 622 2156 457 SINET-AS Research Organization of Infor
7497 424 177 19 CSTNET-AS-AP Computer Network Informati
2018 345 319 71 TENET-1, ZA
680 278 1998 238 DFN Verein zur Foerderung eines Deutsch
36914 204 82 3 KENET-AS, KE
5786 195 16 1 UPRENET, PR
1237 188 74 135 KREONET-AS-KR KISTI, KR
786 186 1774 183 JANET Jisc Services Limited, GB
1916 183 178 36 Associacao Rede Nacional de Ensino e Pe
8895 176 24 4 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 424 405 CSTNET-AS-AP Computer Network Information Cente
2018 345 274 TENET-1, ZA
36914 204 201 KENET-AS, KE
5786 195 194 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
1916 183 147 Associacao Rede Nacional de Ensino e Pesquisa,
18558 136 132 NETBLK-RCOEK, US
327687 125 122 RENU, UG
55824 128 106 NKN-CORE-NW NKN Core Network, IN
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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
29955 UNALLOCATED 192.104.1.0/24 2495 KANREN, US
29955 UNALLOCATED 198.252.8.0/21 2495 KANREN, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
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 /15:107 /16:1670 /17:289 /18:300
/19:444 /20:666 /21:725 /22:1115 /23:1206 /24:7603
/25:73 /26:61 /27:54 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 190 204 KENET-AS, KE
8895 171 176 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
327700 38 44 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 29 32 HCCS, US
200521 29 48 SEAP-AGE, ES
37215 28 34 MAREN, MW
1916 27 183 Associacao Rede Nacional de Ensino e Pesquisa,
30220 25 25 SWTELCOOP, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:84 23:2
24:6 31:1 37:6 38:3 41:151 42:9
44:4 45:29 46:6 49:10 58:4 59:10
60:4 61:2 62:6 63:4 64:12 66:24
67:34 68:1 69:17 71:1 72:10 74:16
76:3 77:6 78:3 79:10 80:10 81:26
82:2 83:7 84:3 85:23 86:7 87:1
88:1 89:10 91:45 93:18 94:2 95:5
96:5 101:4 102:15 103:217 104:6 106:1
108:4 109:9 110:3 111:16 112:4 114:14
116:5 117:2 118:17 119:21 121:27 122:8
123:8 124:39 125:1 128:66 129:30 130:84
131:79 132:51 133:138 134:88 136:186 137:103
138:8 139:4 140:34 141:2 142:22 143:31
144:25 145:1 146:123 147:24 148:7 149:13
150:19 151:2 152:22 153:6 154:24 155:46
156:67 157:25 158:39 159:116 160:25 161:15
162:14 163:56 164:40 165:53 166:1 167:11
168:98 169:8 170:43 172:2 173:2 175:21
176:8 177:5 178:1 179:9 180:21 182:6
184:2 185:35 186:3 187:17 188:13 189:3
190:47 191:6 192:1173 193:182 194:102 195:58
196:175 197:113 198:338 199:181 200:215 201:38
202:363 203:279 204:275 205:123 206:135 207:129
208:43 209:94 210:177 211:2 212:172 213:3
216:50 217:13 218:5 219:13 220:12 222:4
223:2
End of report
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