[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jan 31 18:30:40 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Wed 31 Jan, 2024
IPv4 BGP Table (R&E) as seen at UbuntuNet Alliance.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 17657
Prefixes after maximum aggregation (per Origin AS): 10206
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 11313
Number of IPv4 prefixes with a valid ROA: 5204
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 12453
Total ASes present in the Internet Routing Table: 2694
Prefixes per ASN: 6.55
Origin-only ASes present in the Internet Routing Table: 2323
Origin ASes announcing only one prefix: 1052
Transit ASes present in the Internet Routing Table: 371
Transit-only ASes present in the Internet Routing Table: 75
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 16
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 43515
Number of 32-bit ASNs visible in the Routing Table: 619
Prefixes from 32-bit ASNs in the Routing Table: 1896
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: 2
Number of addresses announced to Internet: 198411520
Equivalent to 11 /8s, 211 /16s and 133 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 5.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 1713
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4572
Total APNIC prefixes after maximum aggregation: 2229
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4571
Unique aggregates announced from the APNIC address blocks: 2540
APNIC Region origin ASes present in the Internet Routing Table: 516
APNIC Prefixes per ASN: 8.86
APNIC Region origin ASes announcing only one prefix: 227
APNIC Region transit ASes present in the Internet Routing Table: 54
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 186
Number of APNIC addresses announced to Internet: 45461760
Equivalent to 2 /8s, 181 /16s and 177 /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, 131072-153913
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: 7426
Total ARIN prefixes after maximum aggregation: 4404
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 7456
Unique aggregates announced from the ARIN address blocks: 4916
ARIN Region origin ASes present in the Internet Routing Table: 1209
ARIN Prefixes per ASN: 6.17
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 155
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 191
Number of ARIN addresses announced to Internet: 88901632
Equivalent to 5 /8s, 76 /16s and 136 /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: 3551
Total RIPE prefixes after maximum aggregation: 2856
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3538
Unique aggregates announced from the RIPE address blocks: 2892
RIPE Region origin ASes present in the Internet Routing Table: 682
RIPE Prefixes per ASN: 5.19
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 104
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: 148
Number of RIPE addresses announced to Internet: 57568256
Equivalent to 3 /8s, 110 /16s and 108 /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
196608-216475
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: 1277
Total LACNIC prefixes after maximum aggregation: 526
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1274
Unique aggregates announced from the LACNIC address blocks: 735
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 8.17
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 25
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: 64
Number of LACNIC addresses announced to Internet: 3785728
Equivalent to 0 /8s, 57 /16s and 196 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 816
Total AfriNIC prefixes after maximum aggregation: 179
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 816
Unique aggregates announced from the AfriNIC address blocks: 228
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 15.40
AfriNIC Region origin ASes announcing only one prefix: 30
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 2.4
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2691840
Equivalent to 0 /8s, 41 /16s and 19 /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 590 2162 464 SINET-AS Research Organization of Infor
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
1237 194 74 142 KREONET-AS-KR KISTI, KR
4538 181 4193 75 ERX-CERNET-BKB China Education and Rese
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
55824 128 19 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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
376 200 162 150 RISQ-AS, CA
2152 145 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, US
270 118 329 82 AS270, US
23024 109 7 22 OCDE, US
2920 103 34 7 LACOE, US
21976 81 51 19 NJEDGE-NET, US
1736 79 16 1 MU-AS, US
237 72 527 44 MERIT-AS-14, 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
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
3267 79 44 68 RUNNET, RU
553 78 462 78 BELWUE BelWue-Koordination, DE
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 154 10 67 Universidad Juarez Autonoma de Tabasco,
1916 148 175 41 Rede Nacional de Ensino e Pesquisa, BR
11340 106 24 50 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 34 4 3 Universidad Autonoma Metropolitana, MX
263683 33 10 21 Universidad de Costa Rica, CR
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 380 319 70 TENET-1, ZA
327687 161 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
36914 27 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37215 11 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
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 590 2162 464 SINET-AS Research Organization of Infor
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 70 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
376 200 162 150 RISQ-AS, CA
1237 194 74 142 KREONET-AS-KR KISTI, KR
786 184 1767 181 JANET Jisc Services Limited, GB
4538 181 4193 75 ERX-CERNET-BKB China Education and Rese
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 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 439 416 CSTNET-AS-AP Computer Network Information Cente
2018 380 310 TENET-1, ZA
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 161 158 RENU, UG
18558 141 137 NETBLK-RCOEK, US
8895 133 128 ISU Internet Services Unit ISU, SA
55824 128 110 NKN-CORE-NW NKN Core Network, IN
1916 148 107 Rede Nacional de Ensino e Pesquisa, BR
4538 181 106 ERX-CERNET-BKB China Education and Research Net
81 126 96 NCREN, US
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
26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
220.156.176.0/21 Origin: 23767 A-STAR-AS-AP A-STAR, SG
220.156.176.0/21 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
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 /10:1 /11:1 /12:10
/13:19 /14:35 /15:120 /16:1957 /17:417 /18:442
/19:557 /20:819 /21:836 /22:1443 /23:1464 /24:9535
/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 128 133 ISU Internet Services Unit ISU, SA
23024 52 109 OCDE, US
32440 38 62 LONI, US
327700 38 42 MoRENet, MZ
3267 36 79 RUNNET, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 54 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:89 23:5
24:3 31:1 35:6 38:8 40:1 41:61
42:16 44:7 45:43 46:5 47:1 49:9
50:1 52:1 58:10 59:20 60:6 61:3
62:10 63:32 64:49 65:1 66:45 67:40
68:10 69:17 70:2 71:1 72:7 74:51
76:41 77:10 78:3 79:10 80:12 81:24
82:7 83:7 84:8 85:31 86:4 87:1
89:10 91:50 92:2 93:4 94:2 95:2
96:5 97:1 98:2 101:5 102:38 103:228
104:76 108:8 109:7 111:15 114:24 116:8
117:61 118:33 119:19 121:28 122:8 123:8
124:40 125:5 128:84 129:41 130:83 131:61
132:52 133:155 134:106 136:10 137:135 138:57
139:4 140:36 141:3 142:38 143:23 144:23
145:2 146:133 147:54 148:193 149:12 150:43
151:12 152:132 153:14 154:30 155:63 156:67
157:18 158:35 159:115 160:30 161:15 162:20
163:74 164:13 165:47 166:1 167:13 168:119
169:7 170:89 171:1 172:3 173:7 175:18
176:8 177:5 179:12 180:15 181:1 182:1
184:2 185:54 186:3 187:17 188:14 189:3
190:17 191:3 192:1416 193:269 194:143 195:77
196:201 197:5 198:451 199:243 200:261 201:37
202:624 203:424 204:350 205:125 206:184 207:142
208:72 209:110 210:193 211:16 212:161 213:5
216:82 217:10 218:22 219:5 220:16 222:3
223:14
End of report
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