[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jun 26 17:05:40 UTC 2021
Global R&E Routing Table Report 17:05 GMT Sat 26 Jun, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14712
Prefixes after maximum aggregation (per Origin AS): 8555
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 9546
Total ASes present in the Internet Routing Table: 2164
Prefixes per ASN: 6.80
Origin-only ASes present in the Internet Routing Table: 1867
Origin ASes announcing only one prefix: 889
Transit ASes present in the Internet Routing Table: 297
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: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 36436
Number of 32-bit ASNs visible in the Routing Table: 457
Prefixes from 32-bit ASNs in the Routing Table: 1340
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: 177172000
Equivalent to 10 /8s, 143 /16s and 110 /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: 1795
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3885
Total APNIC prefixes after maximum aggregation: 2069
APNIC Deaggregation factor: 1.88
Prefixes being announced from the APNIC address blocks: 3887
Unique aggregates announced from the APNIC address blocks: 2277
APNIC Region origin ASes present in the Internet Routing Table: 458
APNIC Prefixes per ASN: 8.49
APNIC Region origin ASes announcing only one prefix: 199
APNIC Region transit ASes present in the Internet Routing Table: 47
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 168
Number of APNIC addresses announced to Internet: 45113408
Equivalent to 2 /8s, 176 /16s and 96 /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: 5602
Total ARIN prefixes after maximum aggregation: 3344
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 5613
Unique aggregates announced from the ARIN address blocks: 3833
ARIN Region origin ASes present in the Internet Routing Table: 869
ARIN Prefixes per ASN: 6.46
ARIN Region origin ASes announcing only one prefix: 314
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: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 104
Number of ARIN addresses announced to Internet: 71015424
Equivalent to 4 /8s, 59 /16s and 156 /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: 3146
Total RIPE prefixes after maximum aggregation: 2518
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3141
Unique aggregates announced from the RIPE address blocks: 2593
RIPE Region origin ASes present in the Internet Routing Table: 634
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 306
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: 118
Number of RIPE addresses announced to Internet: 56104576
Equivalent to 3 /8s, 88 /16s and 22 /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: 902
Total LACNIC prefixes after maximum aggregation: 439
LACNIC Deaggregation factor: 2.05
Prefixes being announced from the LACNIC address blocks: 900
Unique aggregates announced from the LACNIC address blocks: 550
LACNIC Region origin ASes present in the Internet Routing Table: 127
LACNIC Prefixes per ASN: 7.09
LACNIC Region origin ASes announcing only one prefix: 52
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: 45
Number of LACNIC addresses announced to Internet: 2398816
Equivalent to 0 /8s, 36 /16s and 154 /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: 1170
Total AfriNIC prefixes after maximum aggregation: 179
AfriNIC Deaggregation factor: 6.54
Prefixes being announced from the AfriNIC address blocks: 1170
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 40
AfriNIC Prefixes per ASN: 29.25
AfriNIC Region origin ASes announcing only one prefix: 18
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 22
Number of AfriNIC addresses announced to Internet: 2535680
Equivalent to 0 /8s, 38 /16s and 177 /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 618 2155 455 SINET-AS Research Organization of Infor
7497 421 209 20 CSTNET-AS-AP Computer Network Informati
1237 192 75 137 KREONET-AS-KR KISTI, KR
7575 181 331 127 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
4538 169 4192 72 ERX-CERNET-BKB China Education and Rese
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
2697 55 3 31 ERX-ERNET-AS Education and Research Net
1659 54 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
132524 48 9 11 TIFR-AS Tata Institute of Fundamental R
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
376 233 180 157 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
2152 160 507 91 CSUNET-NW, US
270 117 297 87 AS270, US
2920 112 34 6 LACOE, US
18558 108 18 4 NETBLK-RCOEK, US
21976 86 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
22742 66 51 32 CT-EDU-NET, US
3477 65 71 39 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
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
786 187 1787 185 JANET Jisc Services Limited, GB
8895 173 24 4 ISU Internet Services Unit (ISU), SA
559 116 550 107 SWITCH Peering requests: (peering at switc
1103 95 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 62 32 59 ROEDUNET, RO
1930 56 82 51 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 151 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 117 114 47 Associacao Rede Nacional de Ensino e Pe
11340 94 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 51 53 33 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 27 26 15 UNIVERSIDADE DE SAO PAULO, BR
3597 23 2 17 Fundacion InnovaT, AR
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
36914 408 82 3 KENET-AS, KE
2018 321 319 72 TENET-1, ZA
327687 135 28 3 RENU, UG
2561 74 5 34 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 11 8 1 TERNET, TZ
37501 11 49 6 UOFS, 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
2907 618 2155 455 SINET-AS Research Organization of Infor
7497 421 209 20 CSTNET-AS-AP Computer Network Informati
36914 408 82 3 KENET-AS, KE
2018 321 319 72 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
376 233 180 157 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
1237 192 75 137 KREONET-AS-KR KISTI, KR
786 187 1787 185 JANET Jisc Services Limited, GB
7575 181 331 127 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
36914 408 405 KENET-AS, KE
7497 421 401 CSTNET-AS-AP Computer Network Information Cente
2018 321 249 TENET-1, ZA
5786 201 200 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 173 169 ISU Internet Services Unit (ISU), SA
327687 135 132 RENU, UG
55824 128 106 NKN-CORE-NW NKN Core Network, IN
2920 112 106 LACOE, US
18558 108 104 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
36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
328439 UNALLOCATED 164.160.240.0/20 327992 GHANAIAN-ACADEMIC-AND-RESEAR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.240.0/20 Origin: 328439 UNASSIGNED
Transit: 327992 GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK,
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 /15:103 /16:1685 /17:268 /18:297
/19:454 /20:661 /21:735 /22:1139 /23:1188 /24:7927
/25:79 /26:58 /27:50 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 380 408 KENET-AS, KE
8895 168 173 ISU Internet Services Unit (ISU), SA
23024 53 56 OCDE, US
327700 33 39 MoRENet, MZ
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
25977 29 32 HCCS, US
200521 28 44 SEAP-AGE, ES
1916 24 117 Associacao Rede Nacional de Ensino e Pesquisa,
2614 24 62 ROEDUNET, RO
37215 23 29 MAREN, MW
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 24:2
31:1 37:6 38:5 41:236 42:9 44:4
45:32 46:6 49:10 58:4 59:10 60:4
61:3 62:6 63:4 64:13 66:6 67:42
68:1 69:14 71:1 72:11 74:12 76:9
77:7 78:3 79:10 80:13 81:29 82:3
83:7 84:3 85:29 86:9 87:1 88:1
89:10 91:46 93:11 94:2 95:3 96:5
101:3 102:8 103:215 104:5 106:1 108:4
109:8 110:3 111:16 112:4 114:21 116:4
117:14 118:17 119:18 121:27 122:8 124:40
128:66 129:31 130:82 131:86 132:51 133:137
134:84 136:191 137:135 138:14 139:4 140:34
141:2 142:40 143:34 144:27 146:121 147:30
148:7 149:12 150:19 151:5 152:62 153:6
154:24 155:33 156:64 157:25 158:41 159:114
160:26 161:16 162:11 163:60 164:37 165:15
167:16 168:99 169:9 170:41 172:2 173:1
175:20 176:8 177:5 178:1 179:11 180:21
182:5 184:8 185:35 186:2 187:1 188:13
190:66 191:25 192:1195 193:220 194:110 195:85
196:168 197:197 198:343 199:188 200:146 201:7
202:386 203:294 204:283 205:147 206:142 207:132
208:45 209:92 210:174 211:2 212:168 213:4
216:46 217:16 218:5 219:13 220:15 222:4
223:2
End of report
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