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

REN Routing Table Report cscora at frr.nsrc.org
Tue Apr 4 18:05:42 UTC 2023


IPv4 R&E Routing Table Report   18:05 GMT Tue 04 Apr, 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:                               18614
    Prefixes after maximum aggregation (per Origin AS):           10431
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11595
    Number of IPv4 prefixes with a valid ROA:                      4633
    Number of IPv4 prefixes with an invalid ROA:                      6
    Number of IPv4 prefixes with no ROA:                          13975
Total ASes present in the Internet Routing Table:                  2748
    Prefixes per ASN:                                              6.77
Origin-only ASes present in the Internet Routing Table:            2374
Origin ASes announcing only one prefix:                            1053
Transit ASes present in the Internet Routing Table:                 374
Transit-only ASes present in the Internet Routing Table:             64
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:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      41592
Number of 32-bit ASNs visible in the Routing Table:                 642
Prefixes from 32-bit ASNs in the Routing Table:                    1806
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:                    202130272
    Equivalent to 12 /8s, 12 /16s and 67 /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:        2184

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

Prefixes being announced by APNIC Region ASes:                     4760
    Total APNIC prefixes after maximum aggregation:                2301
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4761
    Unique aggregates announced from the APNIC address blocks:     2623
APNIC Region origin ASes present in the Internet Routing Table:     576
    APNIC Prefixes per ASN:                                        8.27
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     60
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:    224
Number of APNIC addresses announced to Internet:               45890368
    Equivalent to 2 /8s, 188 /16s and 59 /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:                      7746
    Total ARIN prefixes after maximum aggregation:                 4496
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             7760
    Unique aggregates announced from the ARIN address blocks:      5015
ARIN Region origin ASes present in the Internet Routing Table:     1214
    ARIN Prefixes per ASN:                                         6.39
ARIN Region origin ASes announcing only one prefix:                 426
ARIN Region transit ASes present in the Internet Routing Table:     158
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:     186
Number of ARIN addresses announced to Internet:                91721856
    Equivalent to 5 /8s, 119 /16s and 144 /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:                      3615
    Total RIPE prefixes after maximum aggregation:                 2859
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3607
    Unique aggregates announced from the RIPE address blocks:      2885
RIPE Region origin ASes present in the Internet Routing Table:      683
    RIPE Prefixes per ASN:                                         5.28
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     102
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:     142
Number of RIPE addresses announced to Internet:                57910272
    Equivalent to 3 /8s, 115 /16s and 164 /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:                    1470
    Total LACNIC prefixes after maximum aggregation:                563
    LACNIC Deaggregation factor:                                   2.61
Prefixes being announced from the LACNIC address blocks:           1467
    Unique aggregates announced from the LACNIC address blocks:     778
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       9.40
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               3949472
    Equivalent to 0 /8s, 60 /16s and 67 /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:                   1018
    Total AfriNIC prefixes after maximum aggregation:               207
    AfriNIC Deaggregation factor:                                  4.92
Prefixes being announced from the AfriNIC address blocks:          1017
    Unique aggregates announced from the AfriNIC address blocks:    292
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     19.56
AfriNIC Region origin ASes announcing only one prefix:               24
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:              2657536
    Equivalent to 0 /8s, 40 /16s and 141 /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         601       2160     465  SINET-AS Research Organization of Infor
  7497         434        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         198        178     148  RISQ-AS, CA
  2152         155        507      92  CSUNET-NW, US
  5786         146         16       1  UPRENET, PR
 18558         139         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         108         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          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/WACREN/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         263        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340          99         24      46  Red Universitaria Nacional, CL
  1251          59         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         256         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          63         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
327700          31         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         601       2160     465  SINET-AS Research Organization of Infor
  7497         434        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         263        208      44  Rede Nacional de Ensino e Pesquisa, BR
 36914         256         82       3  KENET-AS, KE
   376         198        178     148  RISQ-AS, CA
  1237         192         74     139  KREONET-AS-KR KISTI, KR
  4538         192       4192      73  ERX-CERNET-BKB China Education and Rese
   786         186       1775     183  JANET Jisc Services Limited, GB

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         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         382          310  TENET-1, ZA
 36914         256          253  KENET-AS, KE
  1916         263          219  Rede Nacional de Ensino e Pesquisa, BR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         177          172  ISU Internet Services Unit ISU, SA
  5786         146          145  UPRENET, PR
 18558         139          135  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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, 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     /16:1967    /17:410     /18:437     
/19:554     /20:843     /21:839     /22:1468    /23:1536    /24:10120   
/25:91      /26:66      /27:93      /28:1       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         243         256  KENET-AS, KE
  8895         172         177  ISU Internet Services Unit ISU, SA
 32440          80         108  LONI, US
 23024          52         113  OCDE, US
  1916          40         263  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        41:106    
  42:15       44:5        45:37       46:5        47:1        49:6      
  50:1        52:1        58:12       59:21       60:4        61:3      
  62:11       63:33       64:53       65:1        66:33       67:42     
  68:8        69:19       70:2        71:1        72:7        74:50     
  76:42       77:9        78:3        79:10       80:17       81:28     
  82:7        83:6        84:7        85:42       86:5        87:1      
  89:10       91:48       92:2        93:4        94:4        95:2      
  96:5        97:1        98:2       101:8       102:16      103:300    
 104:77      108:8       109:11      110:2       111:16      114:23     
 116:6       117:61      118:33      119:21      121:29      122:8      
 123:8       124:39      125:4       128:86      129:42      130:87     
 131:58      132:49      133:157     134:99      136:151     137:91     
 138:9       139:6       140:38      141:1       142:39      143:29     
 144:23      145:2       146:128     147:53      148:192     149:12     
 150:130     151:9       152:144     153:14      154:31      155:55     
 156:69      157:34      158:36      159:115     160:27      161:20     
 162:20      163:73      164:10      165:51      166:1       167:16     
 168:123     169:8       170:63      171:1       172:3       173:7      
 175:31      176:8       177:9       179:9       180:15      181:1      
 182:1       184:3       185:49      186:3       187:18      188:13     
 189:3       190:18      191:36      192:1403    193:345     194:146    
 195:90      196:169     197:159     198:466     199:246     200:278    
 201:38      202:639     203:430     204:349     205:125     206:183    
 207:159     208:67      209:113     210:185     211:17      212:170    
 213:5       216:86      217:10      218:22      219:12      220:16     
 222:6       223:14     

End of report


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