[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Feb 19 22:10:43 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Sun 19 Feb, 2023
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 24777
Prefixes after maximum aggregation (per Origin AS): 12324
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 13968
Number of IPv4 prefixes with a valid ROA: 10564
Number of IPv4 prefixes with an invalid ROA: 220
Number of IPv4 prefixes with no ROA: 13993
Total ASes present in the Internet Routing Table: 2764
Prefixes per ASN: 8.96
Origin-only ASes present in the Internet Routing Table: 2382
Origin ASes announcing only one prefix: 1045
Transit ASes present in the Internet Routing Table: 382
Transit-only ASes present in the Internet Routing Table: 67
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 41222
Number of 32-bit ASNs visible in the Routing Table: 641
Prefixes from 32-bit ASNs in the Routing Table: 4426
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: 4
Number of addresses announced to Internet: 243071997
Equivalent to 14 /8s, 124 /16s and 251 /24s
Percentage of available address space announced: 6.6
Percentage of allocated address space announced: 6.6
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: 3286
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4725
Total APNIC prefixes after maximum aggregation: 2306
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4772
Unique aggregates announced from the APNIC address blocks: 2684
APNIC Region origin ASes present in the Internet Routing Table: 580
APNIC Prefixes per ASN: 8.23
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 64
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 45841984
Equivalent to 2 /8s, 187 /16s and 126 /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: 13991
Total ARIN prefixes after maximum aggregation: 6304
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 13804
Unique aggregates announced from the ARIN address blocks: 7102
ARIN Region origin ASes present in the Internet Routing Table: 1226
ARIN Prefixes per ASN: 11.26
ARIN Region origin ASes announcing only one prefix: 420
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 188
Number of ARIN addresses announced to Internet: 132525889
Equivalent to 7 /8s, 230 /16s and 47 /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: 3619
Total RIPE prefixes after maximum aggregation: 2871
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3760
Unique aggregates announced from the RIPE address blocks: 3082
RIPE Region origin ASes present in the Internet Routing Table: 686
RIPE Prefixes per ASN: 5.48
RIPE Region origin ASes announcing only one prefix: 307
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 142
Number of RIPE addresses announced to Internet: 58018304
Equivalent to 3 /8s, 117 /16s and 74 /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: 1487
Total LACNIC prefixes after maximum aggregation: 663
LACNIC Deaggregation factor: 2.24
Prefixes being announced from the LACNIC address blocks: 1488
Unique aggregates announced from the LACNIC address blocks: 867
LACNIC Region origin ASes present in the Internet Routing Table: 150
LACNIC Prefixes per ASN: 9.92
LACNIC Region origin ASes announcing only one prefix: 50
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 4054396
Equivalent to 0 /8s, 61 /16s and 221 /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: 950
Total AfriNIC prefixes after maximum aggregation: 175
AfriNIC Deaggregation factor: 5.43
Prefixes being announced from the AfriNIC address blocks: 949
Unique aggregates announced from the AfriNIC address blocks: 229
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 18.61
AfriNIC Region origin ASes announcing only one prefix: 23
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: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2630144
Equivalent to 0 /8s, 40 /16s and 34 /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 593 2157 463 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 134 KREONET-AS-KR KISTI, KR
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 119 18 12 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2605 3583 352 GOOGLE-CLOUD-PLATFORM, US
16509 1933 1631 767 AMAZON-02, US
15169 796 2254 63 GOOGLE, US
14618 740 3995 551 AMAZON-AES, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 151 491 91 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 175 24 3 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 180 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 114 25 50 Red Universitaria Nacional, CL
27947 113 0 86 Telconet S.A, EC
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 45 16 1 Red de Interconexion Universitaria, AR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 372 319 72 TENET-1, ZA
36914 253 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327687 39 28 3 RENU, UG
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
37182 31 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2605 3583 352 GOOGLE-CLOUD-PLATFORM, US
16509 1933 1631 767 AMAZON-02, US
15169 796 2254 63 GOOGLE, US
14618 740 3995 551 AMAZON-AES, US
2907 593 2157 463 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 372 319 72 TENET-1, ZA
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 253 82 3 KENET-AS, KE
376 200 178 149 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 1933 1166 AMAZON-02, US
15169 796 733 GOOGLE, US
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 372 300 TENET-1, ZA
36914 253 250 KENET-AS, KE
5786 199 198 UPRENET, PR
14618 740 189 AMAZON-AES, US
58647 177 175 KAGAWAU-AS Kagawa University, JP
8895 175 172 ISU Internet Services Unit ISU, SA
1916 180 136 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 27750 Cooperacion Latino Americana de Redes Av
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
216.169.147.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /11:4 /12:20
/13:34 /14:81 /15:160 /16:2087 /17:490 /18:474
/19:721 /20:2784 /21:1011 /22:1620 /23:1694 /24:13185
/25:86 /26:58 /27:94 /28:26 /29:74 /30:35
/31:30 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 280 1933 AMAZON-02, US
15169 271 796 GOOGLE, US
14618 247 740 AMAZON-AES, US
36914 240 253 KENET-AS, KE
396982 172 2605 GOOGLE-CLOUD-PLATFORM, US
8895 170 175 ISU Internet Services Unit ISU, SA
27947 91 113 Telconet S.A, EC
32440 79 94 LONI, US
23024 52 113 OCDE, US
46115 32 35 LUTHER, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:64 5:17 8:28 12:1 13:42
14:89 15:62 16:29 18:47 23:115 24:3
31:10 34:8 35:48 37:1 38:9 40:1
41:138 42:10 44:5 45:45 46:10 47:1
49:7 50:1 52:556 54:228 58:1 59:20
60:4 61:3 62:11 63:36 64:160 65:13
66:64 67:60 68:10 69:36 70:41 71:3
72:15 74:145 76:45 77:11 78:3 79:10
80:17 81:28 82:6 83:6 84:8 85:47
86:5 87:2 89:17 91:55 92:3 93:4
94:4 95:2 96:7 97:1 98:11 99:46
101:7 102:14 103:336 104:200 107:33 108:98
109:13 110:2 111:16 114:31 115:1 116:8
117:61 118:32 119:21 121:28 122:8 123:8
124:39 125:4 128:86 129:45 130:142 131:63
132:64 133:149 134:99 135:4 136:282 137:93
138:9 139:18 140:43 141:4 142:248 143:28
144:39 145:2 146:145 147:67 148:201 149:16
150:130 151:12 152:80 153:14 154:29 155:65
156:70 157:34 158:41 159:148 160:27 161:30
162:63 163:80 164:20 165:54 166:1 167:18
168:160 169:14 170:101 171:1 172:113 173:111
174:2 175:32 176:11 177:8 178:1 179:8
180:17 182:1 184:3 185:88 186:3 187:19
188:19 189:3 190:2 191:36 192:1467 193:314
194:128 195:65 196:155 197:156 198:495 199:301
200:210 201:32 202:631 203:429 204:362 205:150
206:199 207:183 208:121 209:157 210:186 211:18
212:171 213:15 216:162 217:12 218:22 219:6
220:16 222:5 223:4
End of report
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