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

REN Routing Table Report cscora at frr.nsrc.org
Sat Apr 8 18:45:43 UTC 2023


IPv4 R&E Routing Table Report   18:45 GMT Sat 08 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:                               15932
    Prefixes after maximum aggregation (per Origin AS):            8395
    Deaggregation factor:                                          1.90
    Unique aggregates announced (without unneeded subnets):        9589
    Number of IPv4 prefixes with a valid ROA:                      3201
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                          12721
Total ASes present in the Internet Routing Table:                  2250
    Prefixes per ASN:                                              7.08
Origin-only ASes present in the Internet Routing Table:            1951
Origin ASes announcing only one prefix:                             821
Transit ASes present in the Internet Routing Table:                 299
Transit-only ASes present in the Internet Routing Table:             56
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:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      41635
Number of 32-bit ASNs visible in the Routing Table:                 508
Prefixes from 32-bit ASNs in the Routing Table:                    1503
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:                    161062912
    Equivalent to 9 /8s, 153 /16s and 160 /24s
    Percentage of available address space announced:                4.4
    Percentage of allocated address space announced:                4.4
    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:        1570

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

Prefixes being announced by APNIC Region ASes:                     4653
    Total APNIC prefixes after maximum aggregation:                2288
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4654
    Unique aggregates announced from the APNIC address blocks:     2611
APNIC Region origin ASes present in the Internet Routing Table:     571
    APNIC Prefixes per ASN:                                        8.15
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        4.9
    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:               45839104
    Equivalent to 2 /8s, 187 /16s and 115 /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:                      7968
    Total ARIN prefixes after maximum aggregation:                 4725
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             7979
    Unique aggregates announced from the ARIN address blocks:      5291
ARIN Region origin ASes present in the Internet Routing Table:     1232
    ARIN Prefixes per ASN:                                         6.48
ARIN Region origin ASes announcing only one prefix:                 430
ARIN Region transit ASes present in the Internet Routing Table:     160
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:                95408128
    Equivalent to 5 /8s, 175 /16s and 208 /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:                       924
    Total RIPE prefixes after maximum aggregation:                  632
    RIPE Deaggregation factor:                                     1.46
Prefixes being announced from the RIPE address blocks:              917
    Unique aggregates announced from the RIPE address blocks:       637
RIPE Region origin ASes present in the Internet Routing Table:      206
    RIPE Prefixes per ASN:                                         4.45
RIPE Region origin ASes announcing only one prefix:                  83
RIPE Region transit ASes present in the Internet Routing Table:      30
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:      25
Number of RIPE addresses announced to Internet:                13203712
    Equivalent to 0 /8s, 201 /16s and 121 /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:                    1455
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.56
Prefixes being announced from the LACNIC address blocks:           1452
    Unique aggregates announced from the LACNIC address blocks:     786
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       9.31
LACNIC Region origin ASes announcing only one prefix:                52
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:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               4151040
    Equivalent to 0 /8s, 63 /16s and 87 /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:                    929
    Total AfriNIC prefixes after maximum aggregation:               179
    AfriNIC Deaggregation factor:                                  5.19
Prefixes being announced from the AfriNIC address blocks:           928
    Unique aggregates announced from the AfriNIC address blocks:    262
AfriNIC Region origin ASes present in the Internet Routing Table:    27
    AfriNIC Prefixes per ASN:                                     34.37
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         594       2160     464  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         176         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         198        178     148  RISQ-AS, CA
  5786         169         16       1  UPRENET, PR
  2152         150        507      92  CSUNET-NW, US
 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         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
  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
 47862          12          1       4  ANKABUT, AE

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          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         379        319      72  TENET-1, ZA
 36914         252         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          62         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         594       2160     464  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         379        319      72  TENET-1, ZA
 36914         252         82       3  KENET-AS, KE
  1916         223        208      43  Rede Nacional de Ensino e Pesquisa, BR
   668         210        620     178  DNIC-AS-00668, US
   376         198        178     148  RISQ-AS, CA
  1237         189         74     139  KREONET-AS-KR KISTI, KR
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re

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         379          307  TENET-1, ZA
 36914         252          249  KENET-AS, KE
  1916         223          180  Rede Nacional de Ensino e Pesquisa, BR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  5786         169          168  UPRENET, PR
 18558         139          135  NETBLK-RCOEK, US
  8895         137          132  ISU Internet Services Unit ISU, SA
 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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, 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      /16:1482    /17:357     /18:399     
/19:481     /20:751     /21:697     /22:1205    /23:1301    /24:9111    
/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         239         252  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        41:106    
  42:10       44:3        45:34       47:1        49:6        50:1      
  52:1        58:1        59:20       60:4        61:3        62:6      
  63:33       64:53       65:1        66:33       67:42       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       102:10      103:297    
 104:76      108:9       109:7       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      132:56      133:155     134:99      136:168     137:83     
 138:9       139:6       140:49      141:1       142:39      143:27     
 144:23      146:131     147:54      148:186     149:12      150:129    
 151:8       152:144     153:2       154:30      155:55      156:66     
 157:34      158:36      159:114     160:27      161:20      162:21     
 163:80      164:10      165:51      166:1       167:16      168:123    
 169:7       170:63      171:1       172:3       173:7       175:31     
 176:8       177:9       179:9       180:15      181:1       182:1      
 184:3       185:15      186:3       187:19      188:3       189:3      
 190:18      191:36      192:1044    193:80      194:56      195:47     
 196:166     197:155     198:483     199:277     200:282     201:39     
 202:635     203:430     204:355     205:131     206:186     207:162    
 208:67      209:115     210:185     211:17      212:129     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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