[REN-BGP-stats-all] IPv4 R&E Routing Table Report - WACREN (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Tue May 9 18:05:38 UTC 2023


IPv4 R&E Routing Table Report   18:05 GMT Tue 09 May, 2023

  IPv4 BGP Table (R&E) as seen at WACREN.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/WACREN/

Analysis Summary
----------------

BGP routing table entries examined:                               18611
    Prefixes after maximum aggregation (per Origin AS):           10380
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       11539
    Number of IPv4 prefixes with a valid ROA:                      4586
    Number of IPv4 prefixes with an invalid ROA:                      6
    Number of IPv4 prefixes with no ROA:                          14019
Total ASes present in the Internet Routing Table:                  2714
    Prefixes per ASN:                                              6.86
Origin-only ASes present in the Internet Routing Table:            2338
Origin ASes announcing only one prefix:                            1036
Transit ASes present in the Internet Routing Table:                 376
Transit-only ASes present in the Internet Routing Table:             67
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      41813
Number of 32-bit ASNs visible in the Routing Table:                 626
Prefixes from 32-bit ASNs in the Routing Table:                    1804
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:                    202292672
    Equivalent to 12 /8s, 14 /16s and 189 /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:               99.6
Total number of prefixes smaller than registry allocations:        2178

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4664
    Total APNIC prefixes after maximum aggregation:                2251
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4665
    Unique aggregates announced from the APNIC address blocks:     2558
APNIC Region origin ASes present in the Internet Routing Table:     534
    APNIC Prefixes per ASN:                                        8.74
APNIC Region origin ASes announcing only one prefix:                223
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    200
Number of APNIC addresses announced to Internet:               45800768
    Equivalent to 2 /8s, 186 /16s and 221 /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:                      7765
    Total ARIN prefixes after maximum aggregation:                 4481
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7780
    Unique aggregates announced from the ARIN address blocks:      5006
ARIN Region origin ASes present in the Internet Routing Table:     1213
    ARIN Prefixes per ASN:                                         6.41
ARIN Region origin ASes announcing only one prefix:                 426
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     187
Number of ARIN addresses announced to Internet:                91777376
    Equivalent to 5 /8s, 120 /16s and 105 /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:                      3652
    Total RIPE prefixes after maximum aggregation:                 2870
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3644
    Unique aggregates announced from the RIPE address blocks:      2898
RIPE Region origin ASes present in the Internet Routing Table:      685
    RIPE Prefixes per ASN:                                         5.32
RIPE Region origin ASes announcing only one prefix:                 303
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:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     145
Number of RIPE addresses announced to Internet:                58011648
    Equivalent to 3 /8s, 117 /16s and 48 /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:                    1510
    Total LACNIC prefixes after maximum aggregation:                565
    LACNIC Deaggregation factor:                                   2.67
Prefixes being announced from the LACNIC address blocks:           1507
    Unique aggregates announced from the LACNIC address blocks:     783
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       9.42
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4015904
    Equivalent to 0 /8s, 61 /16s and 71 /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:                   1014
    Total AfriNIC prefixes after maximum aggregation:               207
    AfriNIC Deaggregation factor:                                  4.90
Prefixes being announced from the AfriNIC address blocks:          1013
    Unique aggregates announced from the AfriNIC address blocks:    292
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     19.86
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.3
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2686208
    Equivalent to 0 /8s, 40 /16s and 253 /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         602       2154     466  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  1237         192         74     139  KREONET-AS-KR KISTI, KR
  4538         192       4192      73  ERX-CERNET-BKB China Education and Rese
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
 55824         118         18      11  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/WACREN/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2152         139        507      91  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         109         34       7  LACOE, US
 32440         107         35      18  LONI, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         177         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  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/WACREN/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         260        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  1251          60         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
 61468          42          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         382        319      72  TENET-1, ZA
 36914         254         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          59         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
327700          32         16       1  MoRENet, MZ
  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/WACREN/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         602       2154     466  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         382        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
  1916         260        208      44  Rede Nacional de Ensino e Pesquisa, BR
 36914         254         82       3  KENET-AS, KE
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         192         74     139  KREONET-AS-KR KISTI, KR
  4538         192       4192      73  ERX-CERNET-BKB China Education and Rese

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         382          310  TENET-1, ZA
 36914         254          251  KENET-AS, KE
  1916         260          216  Rede Nacional de Ensino e Pesquisa, BR
  5786         198          197  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         177          172  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  4538         192          119  ERX-CERNET-BKB China Education and Research Net
 55824         118          107  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/WACREN/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:    396390  INDIANA-UNIVERSITY-NEAAR, US
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/WACREN/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      /15:121     /16:1969    /17:409     /18:434     
/19:562     /20:840     /21:838     /22:1471    /23:1525    /24:10127   
/25:89      /26:66      /27:91      /28:1       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         241         254  KENET-AS, KE
  8895         172         177  ISU Internet Services Unit ISU, SA
 32440          79         107  LONI, US
 23024          52         113  OCDE, US
  1916          39         260  Rede Nacional de Ensino e Pesquisa, BR
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         5:15        8:2        12:1        14:89       23:6      
  24:3        31:7        35:6        38:9        40:1        41:104    
  42:15       44:5        45:35       46:5        47:1        49:6      
  50:1        52:1        58:12       59:20       60:4        61:3      
  62:11       63:33       64:52       65:1        66:33       67:41     
  68:8        69:19       70:2        71:1        72:7        74:50     
  76:40       77:9        78:3        79:10       80:17       81:26     
  82:7        83:6        84:7        85:42       86:10       87:1      
  89:10       91:49       92:2        93:4        94:4        95:2      
  96:5        97:1        98:2       101:4       102:16      103:242    
 104:76      108:8       109:10      110:2       111:16      114:23     
 116:6       117:61      118:33      119:21      121:30      122:8      
 123:8       124:39      125:4       128:87      129:41      130:87     
 131:58      132:52      133:157     134:99      136:198     137:88     
 138:9       139:6       140:33      141:1       142:39      143:29     
 144:23      145:2       146:131     147:54      148:192     149:12     
 150:130     151:10      152:144     153:14      154:31      155:55     
 156:69      157:35      158:38      159:115     160:27      161:20     
 162:19      163:71      164:10      165:51      166:1       167:13     
 168:125     169:7       170:63      171:1       172:3       173:7      
 175:19      176:8       177:9       179:10      180:15      181:1      
 182:1       184:3       185:53      186:3       187:17      188:13     
 189:3       190:18      191:36      192:1416    193:348     194:146    
 195:108     196:170     197:161     198:458     199:247     200:310    
 201:38      202:628     203:420     204:344     205:124     206:180    
 207:164     208:68      209:112     210:187     211:17      212:169    
 213:5       216:86      217:10      218:22      219:12      220:16     
 222:6       223:14     

End of report


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