[REN-BGP-stats-all] Global R&E Routing Table Report - UbuntuNet Alliance R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jun 12 18:00:12 UTC 2021
Global R&E Routing Table Report 18:00 GMT Sat 12 Jun, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 17964
Prefixes after maximum aggregation (per Origin AS): 10100
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 11340
Total ASes present in the Internet Routing Table: 2685
Prefixes per ASN: 6.69
Origin-only ASes present in the Internet Routing Table: 2300
Origin ASes announcing only one prefix: 1086
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 63
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 16
Number of instances of unregistered ASNs: 16
Number of 32-bit ASNs allocated by the RIRs: 36312
Number of 32-bit ASNs visible in the Routing Table: 579
Prefixes from 32-bit ASNs in the Routing Table: 1669
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 3
Number of addresses announced to Internet: 202368768
Equivalent to 12 /8s, 15 /16s and 231 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
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: 2172
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4730
Total APNIC prefixes after maximum aggregation: 2344
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4732
Unique aggregates announced from the APNIC address blocks: 2696
APNIC Region origin ASes present in the Internet Routing Table: 568
APNIC Prefixes per ASN: 8.33
APNIC Region origin ASes announcing only one prefix: 242
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 210
Number of APNIC addresses announced to Internet: 46380288
Equivalent to 2 /8s, 195 /16s and 181 /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: 7354
Total ARIN prefixes after maximum aggregation: 4299
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 7372
Unique aggregates announced from the ARIN address blocks: 4858
ARIN Region origin ASes present in the Internet Routing Table: 1161
ARIN Prefixes per ASN: 6.35
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 146
Number of ARIN addresses announced to Internet: 91284224
Equivalent to 5 /8s, 112 /16s and 227 /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: 3359
Total RIPE prefixes after maximum aggregation: 2739
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3352
Unique aggregates announced from the RIPE address blocks: 2747
RIPE Region origin ASes present in the Internet Routing Table: 673
RIPE Prefixes per ASN: 4.98
RIPE Region origin ASes announcing only one prefix: 323
RIPE Region transit ASes present in the Internet Routing Table: 108
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 128
Number of RIPE addresses announced to Internet: 58193664
Equivalent to 3 /8s, 119 /16s and 247 /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: 1390
Total LACNIC prefixes after maximum aggregation: 544
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1390
Unique aggregates announced from the LACNIC address blocks: 804
LACNIC Region origin ASes present in the Internet Routing Table: 169
LACNIC Prefixes per ASN: 8.22
LACNIC Region origin ASes announcing only one prefix: 67
LACNIC Region transit ASes present in the Internet Routing Table: 29
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 71
Number of LACNIC addresses announced to Internet: 3834112
Equivalent to 0 /8s, 58 /16s and 129 /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: 1115
Total AfriNIC prefixes after maximum aggregation: 159
AfriNIC Deaggregation factor: 7.01
Prefixes being announced from the AfriNIC address blocks: 1115
Unique aggregates announced from the AfriNIC address blocks: 232
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 23.72
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 2.5
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2671872
Equivalent to 0 /8s, 40 /16s and 197 /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 607 2155 455 SINET-AS Research Organization of Infor
7497 436 213 26 CSTNET-AS-AP Computer Network Informati
1237 189 75 137 KREONET-AS-KR KISTI, KR
7575 182 331 126 AARNET-AS-AP Australian Academic and Re
4538 168 4192 72 ERX-CERNET-BKB China Education and Rese
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 127 19 22 NKN-CORE-NW NKN Core Network, IN
4621 82 37 11 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 245 51 7 NU-AS, US
376 235 180 158 RISQ-AS, CA
2152 159 507 91 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
270 117 297 87 AS270, US
2920 109 34 6 LACOE, US
1736 80 16 1 MU-AS, US
3 78 528 13 MIT-GATEWAYS, US
22742 67 52 31 CT-EDU-NET, US
3477 66 71 39 NOAA-NWAVE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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 139 24 4 ISU Internet Services Unit (ISU), SA
559 116 550 107 SWITCH Peering requests: (peering at switc
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
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
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 179 207 40 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
27884 97 6 2 CABLECOLOR S.A., HN
11340 94 24 54 Red Universitaria Nacional, CL
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
20191 31 16 1 Pontificia Universidad Catolica de Chil
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 399 82 3 KENET-AS, KE
2018 323 319 74 TENET-1, ZA
327687 135 28 3 RENU, UG
8094 55 48 4 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
37182 11 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 607 2155 455 SINET-AS Research Organization of Infor
7497 436 213 26 CSTNET-AS-AP Computer Network Informati
36914 399 82 3 KENET-AS, KE
2018 323 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 245 51 7 NU-AS, US
376 235 180 158 RISQ-AS, CA
1237 189 75 137 KREONET-AS-KR KISTI, KR
786 187 1787 185 JANET Jisc Services Limited, GB
7575 182 331 126 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 436 410 CSTNET-AS-AP Computer Network Information Cente
36914 399 396 KENET-AS, KE
2018 323 249 TENET-1, ZA
7896 245 238 NU-AS, US
58647 164 162 KAGAWAU-AS Kagawa University, JP
1916 179 139 Associacao Rede Nacional de Ensino e Pesquisa,
8895 139 135 ISU Internet Services Unit (ISU), SA
18558 137 133 NETBLK-RCOEK, US
327687 135 132 RENU, UG
55824 127 105 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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
19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.23.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.252.0/22 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
36843 UNALLOCATED 162.223.23.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.240.0/20 Origin: 328439 UNASSIGNED
Transit: 327992 GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK,
192.31.196.0/24 Origin: 112 UNASSIGNED
Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Transit: 11537 INTERNET2-RESEARCH-EDU, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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 /14:36 /15:117 /16:1977 /17:372 /18:414
/19:572 /20:849 /21:866 /22:1381 /23:1449 /24:9898
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 373 399 KENET-AS, KE
8895 134 139 ISU Internet Services Unit (ISU), SA
27884 94 97 CABLECOLOR S.A., HN
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
327700 32 38 MoRENet, MZ
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 8:2 12:1 14:83 18:41
23:5 24:6 31:6 37:6 38:9 40:1
41:234 42:31 44:5 45:62 46:7 47:1
49:10 50:1 52:1 58:4 59:20 60:4
61:4 62:7 63:34 64:46 65:1 66:38
67:43 68:8 69:17 71:1 72:11 74:19
76:32 77:5 78:3 79:10 80:14 81:32
82:4 83:7 84:9 85:34 86:9 87:1
88:1 89:10 91:47 92:1 93:12 94:4
95:4 96:5 97:1 98:2 101:3 102:9
103:287 104:14 106:1 108:8 109:8 110:3
111:19 112:4 114:23 115:1 116:5 117:63
118:35 119:18 121:30 122:8 123:8 124:40
125:13 128:86 129:174 130:24 131:89 132:60
133:137 134:91 136:2 137:144 138:14 139:4
140:33 141:2 142:43 143:32 144:53 146:125
147:62 148:159 149:13 150:37 151:5 152:72
153:11 154:24 155:47 156:64 157:25 158:45
159:115 160:26 161:16 162:17 163:61 164:40
165:15 166:1 167:15 168:128 169:9 170:50
171:1 172:2 173:2 175:32 176:8 177:5
178:1 179:12 180:21 181:11 182:5 184:11
185:41 186:3 187:17 188:13 189:6 190:142
191:30 192:1379 193:208 194:143 195:66 196:168
197:191 198:462 199:242 200:224 201:38 202:641
203:412 204:349 205:172 206:182 207:166 208:58
209:111 210:185 211:14 212:164 213:4 216:65
217:16 218:26 219:14 220:24 222:4 223:2
End of report
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