[REN-BGP-stats-all] Global R&E Routing Table Report - UbuntuNet Alliance R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Nov 4 18:30:31 UTC 2021
Global R&E Routing Table Report 18:30 GMT Thu 04 Nov, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 16951
Prefixes after maximum aggregation (per Origin AS): 9784
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 10958
Total ASes present in the Internet Routing Table: 2622
Prefixes per ASN: 6.46
Origin-only ASes present in the Internet Routing Table: 2266
Origin ASes announcing only one prefix: 1074
Transit ASes present in the Internet Routing Table: 356
Transit-only ASes present in the Internet Routing Table: 50
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 19
Number of instances of unregistered ASNs: 19
Number of 32-bit ASNs allocated by the RIRs: 37731
Number of 32-bit ASNs visible in the Routing Table: 584
Prefixes from 32-bit ASNs in the Routing Table: 1686
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: 4
Number of addresses announced to Internet: 196812032
Equivalent to 11 /8s, 187 /16s and 29 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 1682
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4576
Total APNIC prefixes after maximum aggregation: 2259
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4578
Unique aggregates announced from the APNIC address blocks: 2551
APNIC Region origin ASes present in the Internet Routing Table: 571
APNIC Prefixes per ASN: 8.02
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 223
Number of APNIC addresses announced to Internet: 45552640
Equivalent to 2 /8s, 183 /16s and 20 /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: 7320
Total ARIN prefixes after maximum aggregation: 4211
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 7341
Unique aggregates announced from the ARIN address blocks: 4757
ARIN Region origin ASes present in the Internet Routing Table: 1163
ARIN Prefixes per ASN: 6.31
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 150
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 153
Number of ARIN addresses announced to Internet: 89278720
Equivalent to 5 /8s, 82 /16s and 73 /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: 3371
Total RIPE prefixes after maximum aggregation: 2741
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3360
Unique aggregates announced from the RIPE address blocks: 2751
RIPE Region origin ASes present in the Internet Routing Table: 667
RIPE Prefixes per ASN: 5.04
RIPE Region origin ASes announcing only one prefix: 321
RIPE Region transit ASes present in the Internet Routing Table: 105
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: 129
Number of RIPE addresses announced to Internet: 58101760
Equivalent to 3 /8s, 118 /16s and 144 /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: 814
Total LACNIC prefixes after maximum aggregation: 381
LACNIC Deaggregation factor: 2.14
Prefixes being announced from the LACNIC address blocks: 817
Unique aggregates announced from the LACNIC address blocks: 603
LACNIC Region origin ASes present in the Internet Routing Table: 115
LACNIC Prefixes per ASN: 7.10
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 53
Number of LACNIC addresses announced to Internet: 1124608
Equivalent to 0 /8s, 17 /16s and 41 /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: 851
Total AfriNIC prefixes after maximum aggregation: 186
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 851
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 16.69
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2753280
Equivalent to 0 /8s, 42 /16s and 3 /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 609 2156 456 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
4538 174 4192 72 ERX-CERNET-BKB China Education and Rese
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
4621 80 37 10 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 250 51 7 NU-AS, US
376 233 180 157 RISQ-AS, CA
2152 155 507 84 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
2920 109 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 79 528 13 MIT-GATEWAYS, US
3477 72 71 42 NOAA-NWAVE, US
22742 68 53 34 CT-EDU-NET, 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
680 275 1997 237 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 143 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
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 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
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
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
52286 53 4 31 Columbus Networks Guatemala, GT
4270 43 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
3597 23 2 17 Fundacion InnovaT, AR
28068 21 2 2 Universidad Nacional de San Luis, AR
27790 18 2 2 Universidad Nacional de Cordoba, AR
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
2018 341 319 71 TENET-1, ZA
327687 138 28 3 RENU, UG
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
36914 31 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37182 14 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
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 609 2156 456 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 341 319 71 TENET-1, ZA
680 275 1997 237 DFN Verein zur Foerderung eines Deutsch
7896 250 51 7 NU-AS, US
376 233 180 157 RISQ-AS, CA
786 186 1774 183 JANET Jisc Services Limited, GB
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
4538 174 4192 72 ERX-CERNET-BKB China Education and Rese
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 430 406 CSTNET-AS-AP Computer Network Information Cente
2018 341 270 TENET-1, ZA
7896 250 243 NU-AS, US
58647 164 162 KAGAWAU-AS Kagawa University, JP
8895 143 139 ISU Internet Services Unit ISU, SA
327687 138 135 RENU, UG
18558 137 133 NETBLK-RCOEK, US
55824 128 106 NKN-CORE-NW NKN Core Network, IN
2920 109 103 LACOE, US
4538 174 102 ERX-CERNET-BKB China Education and Research Net
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
14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US
14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US
14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, 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
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
205.166.145.0/24 Origin: 394784 UNASSIGNED
205.166.145.0/24 Transit: 40831 PHS, 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 /14:34 /15:122 /16:1918 /17:353 /18:396
/19:529 /20:777 /21:805 /22:1316 /23:1401 /24:9267
/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
8895 138 143 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
327700 35 41 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
40326 29 33 ECKERD-COLLEGE, US
200521 29 48 SEAP-AGE, ES
37215 27 33 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 5:15 8:2 12:1 14:84 18:42
23:8 24:5 31:6 37:6 38:9 40:1
41:86 42:9 44:5 45:58 46:6 47:1
49:10 50:1 52:1 58:4 59:20 60:4
61:3 62:7 63:34 64:46 66:36 67:42
68:8 69:21 71:1 72:10 74:20 76:32
77:6 78:3 79:10 80:17 81:27 82:4
83:7 84:5 85:33 86:9 87:1 88:1
89:10 91:46 92:1 93:19 94:4 95:4
96:5 97:1 98:2 101:8 102:16 103:309
104:15 106:1 108:8 109:9 110:3 111:19
112:4 114:23 116:5 117:61 118:32 119:20
121:27 122:8 123:8 124:39 125:1 128:83
129:174 130:93 131:87 132:61 133:138 134:97
136:3 137:141 138:8 139:4 140:35 141:2
142:43 143:25 144:54 146:123 147:58 148:159
149:13 150:36 151:6 152:29 153:11 154:24
155:49 156:67 157:23 158:42 159:117 160:25
161:16 162:20 163:59 164:42 165:54 166:2
167:16 168:162 169:10 170:51 172:2 173:2
175:18 176:8 177:1 178:1 179:7 180:21
181:12 182:5 184:1 185:39 187:1 188:13
190:53 191:30 192:1303 193:254 194:138 195:93
196:182 197:4 198:452 199:245 200:86 201:6
202:615 203:398 204:344 205:168 206:180 207:164
208:56 209:113 210:181 211:14 212:171 213:4
216:84 217:14 218:6 219:13 220:16 222:5
223:2
End of report
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