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

REN Routing Table Report cscora at frr.nsrc.org
Fri May 12 18:45:40 UTC 2023


IPv4 R&E Routing Table Report   18:45 GMT Fri 12 May, 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:                               15906
    Prefixes after maximum aggregation (per Origin AS):            8351
    Deaggregation factor:                                          1.90
    Unique aggregates announced (without unneeded subnets):        9549
    Number of IPv4 prefixes with a valid ROA:                      3139
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                          12757
Total ASes present in the Internet Routing Table:                  2215
    Prefixes per ASN:                                              7.18
Origin-only ASes present in the Internet Routing Table:            1914
Origin ASes announcing only one prefix:                             805
Transit ASes present in the Internet Routing Table:                 301
Transit-only ASes present in the Internet Routing Table:             58
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:                 4
    Number of instances of unregistered ASNs:                         4
Number of 32-bit ASNs allocated by the RIRs:                      41846
Number of 32-bit ASNs visible in the Routing Table:                 488
Prefixes from 32-bit ASNs in the Routing Table:                    1492
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:                    160850944
    Equivalent to 9 /8s, 150 /16s and 100 /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:        1581

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

Prefixes being announced by APNIC Region ASes:                     4570
    Total APNIC prefixes after maximum aggregation:                2241
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4571
    Unique aggregates announced from the APNIC address blocks:     2555
APNIC Region origin ASes present in the Internet Routing Table:     530
    APNIC Prefixes per ASN:                                        8.62
APNIC Region origin ASes announcing only one prefix:                222
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    199
Number of APNIC addresses announced to Internet:               45670912
    Equivalent to 2 /8s, 184 /16s and 226 /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:                      7970
    Total ARIN prefixes after maximum aggregation:                 4713
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             7982
    Unique aggregates announced from the ARIN address blocks:      5290
ARIN Region origin ASes present in the Internet Routing Table:     1228
    ARIN Prefixes per ASN:                                         6.50
ARIN Region origin ASes announcing only one prefix:                 431
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:     185
Number of ARIN addresses announced to Internet:                95458816
    Equivalent to 5 /8s, 176 /16s and 150 /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:                       961
    Total RIPE prefixes after maximum aggregation:                  645
    RIPE Deaggregation factor:                                     1.49
Prefixes being announced from the RIPE address blocks:              954
    Unique aggregates announced from the RIPE address blocks:       652
RIPE Region origin ASes present in the Internet Routing Table:      210
    RIPE Prefixes per ASN:                                         4.54
RIPE Region origin ASes announcing only one prefix:                  87
RIPE Region transit ASes present in the Internet Routing Table:      34
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:      27
Number of RIPE addresses announced to Internet:                13239040
    Equivalent to 0 /8s, 202 /16s and 3 /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:                    1475
    Total LACNIC prefixes after maximum aggregation:                569
    LACNIC Deaggregation factor:                                   2.59
Prefixes being announced from the LACNIC address blocks:           1472
    Unique aggregates announced from the LACNIC address blocks:     788
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       9.26
LACNIC Region origin ASes announcing only one prefix:                56
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:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4021248
    Equivalent to 0 /8s, 61 /16s and 92 /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:                    926
    Total AfriNIC prefixes after maximum aggregation:               179
    AfriNIC Deaggregation factor:                                  5.17
Prefixes being announced from the AfriNIC address blocks:           925
    Unique aggregates announced from the AfriNIC address blocks:    262
AfriNIC Region origin ASes present in the Internet Routing Table:    27
    AfriNIC Prefixes per ASN:                                     34.26
AfriNIC Region origin ASes announcing only one prefix:                9
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      2.6
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   10
Number of AfriNIC addresses announced to Internet:              2460160
    Equivalent to 0 /8s, 37 /16s and 138 /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         595       2154     465  SINET-AS Research Organization of Infor
  7497         435        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         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/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
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2152         134        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         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         137         24       5  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          24          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         220        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          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/TENET/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         254         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          56         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW
 36982           8         33       8  UCT, ZA

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         595       2154     465  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         381        319      72  TENET-1, ZA
 36914         254         82       3  KENET-AS, KE
  1916         220        208      43  Rede Nacional de Ensino e Pesquisa, BR
   668         210        620     178  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  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         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         381          309  TENET-1, ZA
 36914         254          251  KENET-AS, KE
  5786         198          197  UPRENET, PR
  1916         220          177  Rede Nacional de Ensino e Pesquisa, BR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         137          132  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
 55824         118          107  NKN-CORE-NW NKN Core Network, IN
  2920         107          100  LACOE, 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
     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      /16:1480    /17:351     /18:393     
/19:484     /20:747     /21:696     /22:1208    /23:1285    /24:9114    
/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         242         254  KENET-AS, KE
  8895         132         137  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)
----------------------------------------------

   1:2         4:2         6:4         8:2        12:1        14:89     
  23:9        24:3        35:8        38:9        40:1        41:107    
  42:10       44:3        45:34       47:1        49:6        50:1      
  52:1        58:1        59:19       60:4        61:3        62:6      
  63:33       64:52       65:1        66:33       67:41       68:8      
  69:19       70:2        71:1        72:7        74:50       76:40     
  77:6        80:8        81:1        82:4        84:4        85:18     
  86:10       87:1        89:2        91:15       92:2        93:1      
  96:5        97:1        98:2       101:2       102:10      103:242    
 104:76      108:9       109:6       110:2       111:16      114:23     
 116:6       117:61      118:32      119:21      121:29      122:8      
 123:8       124:39      125:4       128:84      129:33      130:87     
 131:53      132:52      133:157     134:99      136:197     137:78     
 138:9       139:6       140:46      141:1       142:39      143:27     
 144:23      146:130     147:54      148:186     149:12      150:130    
 151:9       152:144     153:2       154:30      155:55      156:66     
 157:35      158:37      159:114     160:27      161:20      162:21     
 163:80      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       179:11      180:15      181:1       182:1      
 184:3       185:19      186:3       187:18      188:3       189:3      
 190:18      191:36      192:1055    193:82      194:58      195:64     
 196:166     197:158     198:478     199:277     200:311     201:39     
 202:624     203:428     204:350     205:130     206:183     207:167    
 208:68      209:115     210:187     211:17      212:128     213:3      
 214:8       216:86      217:1       218:22      219:6       220:16     
 222:5       223:4      

End of report


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