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

REN Routing Table Report cscora at frr.nsrc.org
Fri Apr 14 18:45:43 UTC 2023


IPv4 R&E Routing Table Report   18:45 GMT Fri 14 Apr, 2023

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

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

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

BGP routing table entries examined:                               15501
    Prefixes after maximum aggregation (per Origin AS):            8169
    Deaggregation factor:                                          1.90
    Unique aggregates announced (without unneeded subnets):        9289
    Number of IPv4 prefixes with a valid ROA:                      2784
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                          12707
Total ASes present in the Internet Routing Table:                  2153
    Prefixes per ASN:                                              7.20
Origin-only ASes present in the Internet Routing Table:            1861
Origin ASes announcing only one prefix:                             776
Transit ASes present in the Internet Routing Table:                 292
Transit-only ASes present in the Internet Routing Table:             54
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      19
    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:                      41653
Number of 32-bit ASNs visible in the Routing Table:                 429
Prefixes from 32-bit ASNs in the Routing Table:                    1344
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:                    160664064
    Equivalent to 9 /8s, 147 /16s and 138 /24s
    Percentage of available address space announced:                4.3
    Percentage of allocated address space announced:                4.3
    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:        1563

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

Prefixes being announced by APNIC Region ASes:                     4236
    Total APNIC prefixes after maximum aggregation:                2097
    APNIC Deaggregation factor:                                    2.02
Prefixes being announced from the APNIC address blocks:            4237
    Unique aggregates announced from the APNIC address blocks:     2391
APNIC Region origin ASes present in the Internet Routing Table:     478
    APNIC Prefixes per ASN:                                        8.86
APNIC Region origin ASes announcing only one prefix:                196
APNIC Region transit ASes present in the Internet Routing Table:     53
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    145
Number of APNIC addresses announced to Internet:               45600256
    Equivalent to 2 /8s, 183 /16s and 206 /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:                      7988
    Total ARIN prefixes after maximum aggregation:                 4719
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             8002
    Unique aggregates announced from the ARIN address blocks:      5292
ARIN Region origin ASes present in the Internet Routing Table:     1230
    ARIN Prefixes per ASN:                                         6.51
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     187
Number of ARIN addresses announced to Internet:                95402752
    Equivalent to 5 /8s, 175 /16s and 187 /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:                       953
    Total RIPE prefixes after maximum aggregation:                  643
    RIPE Deaggregation factor:                                     1.48
Prefixes being announced from the RIPE address blocks:              945
    Unique aggregates announced from the RIPE address blocks:       647
RIPE Region origin ASes present in the Internet Routing Table:      210
    RIPE Prefixes per ASN:                                         4.50
RIPE Region origin ASes announcing only one prefix:                  87
RIPE Region transit ASes present in the Internet Routing Table:      33
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:      25
Number of RIPE addresses announced to Internet:                13235456
    Equivalent to 0 /8s, 201 /16s and 245 /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:                    1483
    Total LACNIC prefixes after maximum aggregation:                571
    LACNIC Deaggregation factor:                                   2.60
Prefixes being announced from the LACNIC address blocks:           1480
    Unique aggregates announced from the LACNIC address blocks:     788
LACNIC Region origin ASes present in the Internet Routing Table:    154
    LACNIC Prefixes per ASN:                                       9.61
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               3988736
    Equivalent to 0 /8s, 60 /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:                    836
    Total AfriNIC prefixes after maximum aggregation:               134
    AfriNIC Deaggregation factor:                                  6.24
Prefixes being announced from the AfriNIC address blocks:           835
    Unique aggregates announced from the AfriNIC address blocks:    169
AfriNIC Region origin ASes present in the Internet Routing Table:    24
    AfriNIC Prefixes per ASN:                                     34.79
AfriNIC Region origin ASes announcing only one prefix:               10
AfriNIC Region transit ASes present in the Internet Routing Table:    6
Average AfriNIC Region AS path length visible:                      2.5
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2436096
    Equivalent to 0 /8s, 37 /16s and 44 /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         596       2155     466  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  1237         189         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         174        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
  4621          69         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
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         210        620     178  DNIC-AS-00668, US
  5786         199         16       1  UPRENET, PR
   376         198        178     148  RISQ-AS, CA
  2152         151        507      92  CSUNET-NW, US
 18558         138         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8895         135         24       3  ISU Internet Services Unit ISU, SA
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  3267          56         63      41  RUNNET, RU
  1653          50        151      47  SUNET SUNET Swedish University Network,
  1741          39        149      18  FUNETAS, FI
  5495          26          7       8  ASN-SPBGU St.Petersburg, Russia, RU
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          17          2      11  NETNOD-IX Netnod AB, SE
   224          13        256      13  UNINETT UNINETT, The Norwegian Universi
  1101          13        481      13  IP-EEND-AS IP-EEND BV, NL

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         223        208      43  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          44         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/TENET/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         380        319      72  TENET-1, ZA
 36914         253         82       3  KENET-AS, KE
327687          63         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          32         16       1  MoRENet, MZ
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW
 36982           8         33       8  UCT, ZA
 31960           5          1       1  EMUNET, MZ
328358           5          1       1  Makerere-AS, UG

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         596       2155     466  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         380        319      72  TENET-1, ZA
 36914         253         82       3  KENET-AS, KE
  1916         223        208      43  Rede Nacional de Ensino e Pesquisa, BR
   668         210        620     178  DNIC-AS-00668, US
  5786         199         16       1  UPRENET, PR
   376         198        178     148  RISQ-AS, CA
  1237         189         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP

Complete listing at https://bgp.nsrc.org/REN/TENET/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         380          308  TENET-1, ZA
 36914         253          250  KENET-AS, KE
  5786         199          198  UPRENET, PR
  1916         223          180  Rede Nacional de Ensino e Pesquisa, BR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
 18558         138          134  NETBLK-RCOEK, US
  8895         135          132  ISU Internet Services Unit ISU, SA
  2920         107          100  LACOE, US
    81         129           97  NCREN, US

Complete listing at https://bgp.nsrc.org/REN/TENET/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
     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
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/TENET/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:         0  UNALLOCATED
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/TENET/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       /12:9       
/13:17      /14:30      /15:88      /16:1479    /17:354     /18:396     
/19:474     /20:745     /21:687     /22:1174    /23:1256    /24:8788    
/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
 36914         240         253  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
 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
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:1         4:2         6:4         8:2        12:1        23:9      
  24:3        35:8        38:9        40:1        41:104      42:10     
  44:4        45:27       47:1        49:3        50:1        52:1      
  58:1        59:20       60:4        61:3        62:6        63:33     
  64:53       65:1        66:33       67:41       68:8        69:19     
  70:2        71:1        72:7        74:50       76:41       77:6      
  80:8        81:1        82:4        84:4        85:18       86:5      
  87:1        89:2        91:14       92:2        93:1        96:5      
  97:1        98:2       101:6       102:9       103:195     104:76     
 108:9       109:6       110:2       111:16      114:23      116:6      
 117:61      118:32      119:21      121:28      122:8       123:8      
 124:39      125:4       128:83      129:33      130:87      131:53     
 132:62      133:157     134:99      136:198     137:84      138:9      
 139:5       140:49      141:1       142:39      143:27      144:1      
 146:131     147:54      148:186     149:12      150:130     151:8      
 152:144     153:2       154:30      155:55      156:66      157:34     
 158:5       159:114     160:27      161:21      162:21      163:80     
 164:10      165:51      166:1       167:16      168:124     169:7      
 170:63      171:1       172:3       173:7       175:31      176:8      
 177:9       179:10      180:1       181:1       182:1       184:3      
 185:15      186:3       187:19      188:3       189:3       190:18     
 191:36      192:1043    193:36      194:58      195:20      196:161    
 197:157     198:482     199:277     200:309     201:39      202:595    
 203:429     204:354     205:131     206:186     207:166     208:63     
 209:115     210:185     211:17      212:130     213:3       214:8      
 216:86      217:1       218:22      219:6       220:12      222:5      
 223:4      

End of report


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