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

REN Routing Table Report cscora at frr.nsrc.org
Thu Mar 23 22:15:36 UTC 2023


IPv4 R&E Routing Table Report   22:15 GMT Thu 23 Mar, 2023

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

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

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

BGP routing table entries examined:                               18554
    Prefixes after maximum aggregation (per Origin AS):           10432
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11565
    Number of IPv4 prefixes with a valid ROA:                      4516
    Number of IPv4 prefixes with an invalid ROA:                    109
    Number of IPv4 prefixes with no ROA:                          13929
Total ASes present in the Internet Routing Table:                  2754
    Prefixes per ASN:                                              6.74
Origin-only ASes present in the Internet Routing Table:            2376
Origin ASes announcing only one prefix:                            1054
Transit ASes present in the Internet Routing Table:                 378
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:             83
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                86
    Number of instances of unregistered ASNs:                        86
Number of 32-bit ASNs allocated by the RIRs:                      41505
Number of 32-bit ASNs visible in the Routing Table:                 643
Prefixes from 32-bit ASNs in the Routing Table:                    1800
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:                    202225081
    Equivalent to 12 /8s, 13 /16s and 181 /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:        2211

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

Prefixes being announced by APNIC Region ASes:                     4720
    Total APNIC prefixes after maximum aggregation:                2306
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4721
    Unique aggregates announced from the APNIC address blocks:     2636
APNIC Region origin ASes present in the Internet Routing Table:     575
    APNIC Prefixes per ASN:                                        8.21
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    223
Number of APNIC addresses announced to Internet:               45821504
    Equivalent to 2 /8s, 187 /16s and 46 /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:                      7800
    Total ARIN prefixes after maximum aggregation:                 4500
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7817
    Unique aggregates announced from the ARIN address blocks:      5021
ARIN Region origin ASes present in the Internet Routing Table:     1214
    ARIN Prefixes per ASN:                                         6.44
ARIN Region origin ASes announcing only one prefix:                 423
ARIN Region transit ASes present in the Internet Routing Table:     159
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     185
Number of ARIN addresses announced to Internet:                91838400
    Equivalent to 5 /8s, 121 /16s and 87 /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:                      3574
    Total RIPE prefixes after maximum aggregation:                 2834
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3562
    Unique aggregates announced from the RIPE address blocks:      2882
RIPE Region origin ASes present in the Internet Routing Table:      683
    RIPE Prefixes per ASN:                                         5.22
RIPE Region origin ASes announcing only one prefix:                 305
RIPE Region transit ASes present in the Internet Routing Table:     101
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:     144
Number of RIPE addresses announced to Internet:                57913600
    Equivalent to 3 /8s, 115 /16s and 177 /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:                    1411
    Total LACNIC prefixes after maximum aggregation:                575
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1490
    Unique aggregates announced from the LACNIC address blocks:     795
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       9.37
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:                       3.9
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4013497
    Equivalent to 0 /8s, 61 /16s and 61 /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:                    963
    Total AfriNIC prefixes after maximum aggregation:               175
    AfriNIC Deaggregation factor:                                  5.50
Prefixes being announced from the AfriNIC address blocks:           962
    Unique aggregates announced from the AfriNIC address blocks:    229
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     18.86
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.4
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2637312
    Equivalent to 0 /8s, 40 /16s and 62 /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         605       2157     464  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
 58647         178         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         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/RedCLARA/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  5786         199         16       1  UPRENET, PR
   376         198        178     148  RISQ-AS, CA
  2152         150        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
   270         120        329      85  AS270, US
 23024         112          7      17  OCDE, US
  2920         109         34       7  LACOE, US
 32440         107         34      17  LONI, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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         174         24       3  ISU Internet Services Unit ISU, SA
   559         113        533     105  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  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/RedCLARA/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         103         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 
 61468          46          3      14  CEDIA, EC
  4270          45         16       1  Red de Interconexion Universitaria, AR
 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/RedCLARA/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         381        319      72  TENET-1, ZA
 36914         239         82       3  KENET-AS, KE
327687          61         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
 37182          32          8       1  TERNET, TZ
327700          30         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/RedCLARA/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         605       2157     464  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         381        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         239         82       3  KENET-AS, KE
  5786         199         16       1  UPRENET, PR
   376         198        178     148  RISQ-AS, CA
  1237         192         74     139  KREONET-AS-KR KISTI, KR
   786         186       1775     183  JANET Jisc Services Limited, GB
  1916         180        208      44  Rede Nacional de Ensino e Pesquisa, BR

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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         381          309  TENET-1, ZA
 36914         239          236  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         174          171  ISU Internet Services Unit ISU, SA
  1916         180          136  Rede Nacional de Ensino e Pesquisa, BR
 18558         134          130  NETBLK-RCOEK, US
 65085         158          123  UNASSIGNED
 55824         118          107  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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
     65248  PRIVATE      134.171.169.0/24         11340  Red Universitaria Nacional, 
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
     65085  PRIVATE      200.17.33.0/24            1916  Rede Nacional de Ensino e Pe
     65085  PRIVATE      200.17.34.0/24            1916  Rede Nacional de Ensino e Pe
     65085  PRIVATE      200.17.35.0/24            1916  Rede Nacional de Ensino e Pe
     65085  PRIVATE      200.17.36.0/24            1916  Rede Nacional de Ensino e Pe
     65085  PRIVATE      200.17.37.0/24            1916  Rede Nacional de Ensino e Pe

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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      
/13:18      /14:35      /15:121     /16:1970    /17:407     /18:432     
/19:550     /20:842     /21:836     /22:1458    /23:1528    /24:10046   
/25:92      /26:70      /27:95      /28:7       /29:15      /30:10      
/31:0       /32:8       

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

   ASN  No of nets  Total ann.  Description
 36914         226         239  KENET-AS, KE
  8895         169         174  ISU Internet Services Unit ISU, SA
 32440          80         107  LONI, US
 23024          51         112  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 37182          31          32  TERNET, TZ
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

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

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

   1:2         5:15        8:2        12:1        14:89       23:8      
  24:3        31:7        35:6        38:9        40:1        41:135    
  42:10       44:5        45:38       46:5        47:1        49:6      
  50:1        52:1        58:1        59:20       60:4        61:3      
  62:11       63:33       64:53       65:1        66:33       67:42     
  68:8        69:19       70:2        72:7        74:50       76:42     
  77:9        78:3        79:10       80:17       81:28       82:7      
  83:6        84:8        85:42       86:5        87:1        89:10     
  91:46       92:2        93:4        94:4        95:2        96:5      
  97:1        98:2       101:6       102:15      103:298     104:81     
 108:8       109:10      110:2       111:16      114:23      116:6      
 117:61      118:32      119:21      121:28      122:8       123:8      
 124:39      125:4       128:86      129:41      130:87      131:60     
 132:49      133:157     134:97      136:199     137:91      138:9      
 139:6       140:37      141:1       142:39      143:29      144:23     
 145:2       146:133     147:54      148:192     149:12      150:130    
 151:9       152:144     153:14      154:29      155:55      156:66     
 157:30      158:36      159:115     160:27      161:20      162:20     
 163:74      164:10      165:51      166:1       167:16      168:124    
 169:10      170:63      171:1       172:3       173:7       175:31     
 176:8       177:9       179:10      180:15      181:1       182:1      
 184:3       185:48      186:3       187:19      188:13      189:3      
 190:18      191:36      192:1416    193:296     194:128     195:58     
 196:169     197:144     198:466     199:246     200:276     201:39     
 202:635     203:430     204:344     205:124     206:183     207:159    
 208:66      209:112     210:186     211:17      212:169     213:5      
 216:86      217:10      218:22      219:6       220:16      222:5      
 223:4      

End of report


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