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

REN Routing Table Report cscora at frr.nsrc.org
Sat Feb 5 18:45:29 UTC 2022


IPv4 R&E Routing Table Report   18:45 GMT Sat 05 Feb, 2022

  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:                               16244
    Prefixes after maximum aggregation (per Origin AS):            8479
    Deaggregation factor:                                          1.92
    Unique aggregates announced (without unneeded subnets):        9792
    Number of IPv4 prefixes with a valid ROA:                      2488
    Number of IPv4 prefixes with an invalid ROA:                     23
    Number of IPv4 prefixes with no ROA:                          13733
Total ASes present in the Internet Routing Table:                  2282
    Prefixes per ASN:                                              7.12
Origin-only ASes present in the Internet Routing Table:            1981
Origin ASes announcing only one prefix:                             872
Transit ASes present in the Internet Routing Table:                 301
Transit-only ASes present in the Internet Routing Table:             45
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
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:                      38510
Number of 32-bit ASNs visible in the Routing Table:                 507
Prefixes from 32-bit ASNs in the Routing Table:                    1489
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    162782976
    Equivalent to 9 /8s, 179 /16s and 223 /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:               99.5
Total number of prefixes smaller than registry allocations:        1582

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

Prefixes being announced by APNIC Region ASes:                     4659
    Total APNIC prefixes after maximum aggregation:                2323
    APNIC Deaggregation factor:                                    2.01
Prefixes being announced from the APNIC address blocks:            4659
    Unique aggregates announced from the APNIC address blocks:     2643
APNIC Region origin ASes present in the Internet Routing Table:     585
    APNIC Prefixes per ASN:                                        7.96
APNIC Region origin ASes announcing only one prefix:                252
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               46027776
    Equivalent to 2 /8s, 190 /16s and 84 /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:                      8315
    Total ARIN prefixes after maximum aggregation:                 4755
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8325
    Unique aggregates announced from the ARIN address blocks:      5426
ARIN Region origin ASes present in the Internet Routing Table:     1236
    ARIN Prefixes per ASN:                                         6.74
ARIN Region origin ASes announcing only one prefix:                 445
ARIN Region transit ASes present in the Internet Routing Table:     159
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     170
Number of ARIN addresses announced to Internet:                96667904
    Equivalent to 5 /8s, 195 /16s and 9 /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:                       903
    Total RIPE prefixes after maximum aggregation:                  623
    RIPE Deaggregation factor:                                     1.45
Prefixes being announced from the RIPE address blocks:              893
    Unique aggregates announced from the RIPE address blocks:       617
RIPE Region origin ASes present in the Internet Routing Table:      209
    RIPE Prefixes per ASN:                                         4.27
RIPE Region origin ASes announcing only one prefix:                  97
RIPE Region transit ASes present in the Internet Routing Table:      31
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:      29
Number of RIPE addresses announced to Internet:                13405952
    Equivalent to 0 /8s, 204 /16s and 143 /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:                    1517
    Total LACNIC prefixes after maximum aggregation:                612
    LACNIC Deaggregation factor:                                   2.48
Prefixes being announced from the LACNIC address blocks:           1518
    Unique aggregates announced from the LACNIC address blocks:     838
LACNIC Region origin ASes present in the Internet Routing Table:    178
    LACNIC Prefixes per ASN:                                       8.53
LACNIC Region origin ASes announcing only one prefix:                73
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    72
Number of LACNIC addresses announced to Internet:               4183552
    Equivalent to 0 /8s, 63 /16s and 214 /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:                    847
    Total AfriNIC prefixes after maximum aggregation:               163
    AfriNIC Deaggregation factor:                                  5.20
Prefixes being announced from the AfriNIC address blocks:           847
    Unique aggregates announced from the AfriNIC address blocks:    266
AfriNIC Region origin ASes present in the Internet Routing Table:    26
    AfriNIC Prefixes per ASN:                                     32.58
AfriNIC Region origin ASes announcing only one prefix:                5
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:                        5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2497280
    Equivalent to 0 /8s, 38 /16s and 27 /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         571       2157     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  7575         175        330     122  AARNET-AS-AP Australian Academic and Re
 58647         165         18       2  KAGAWAU-AS Kagawa University, JP
 55824         130         19      23  NKN-CORE-NW NKN Core Network, IN
  4538         128       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          80         37      10  UNINET-AS-AP UNINET-, TH
  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
  7896         251         51       7  NU-AS, US
   376         203        178     152  RISQ-AS, CA
   668         201        684     170  DNIC-AS-00668, US
  5786         200         16       1  UPRENET, PR
  2152         148        507      90  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
 23024         114          7      17  OCDE, US
  2920         108         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, 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         143         24       4  ISU Internet Services Unit ISU, SA
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
  1653          52        167      49  SUNET SUNET Swedish University Network,
  1741          40        165      19  FUNETAS, FI
   288          26          5      26  ESA Robert Bosch Strasse 5, DE
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  3267          21         67      17  RUNNET, RU
  8674          16          2      11  NETNOD-IX Netnod Internet Exchange Sver
   224          13        256      13  UNINETT UNINETT, The Norwegian Universi
 47862          13          1       5  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         176        207      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      55  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          54          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          39          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume

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         351        319      74  TENET-1, ZA
 36914         204         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          35         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          12          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 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         571       2157     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         351        319      74  TENET-1, ZA
  7896         251         51       7  NU-AS, US
 36914         204         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA
   668         201        684     170  DNIC-AS-00668, US
  5786         200         16       1  UPRENET, PR
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  1916         176        207      41  Rede Nacional de Ensino e Pesquisa, BR

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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         351          277  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         204          201  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         165          163  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         176          135  Rede Nacional de Ensino e Pesquisa, BR
 18558         136          132  NETBLK-RCOEK, US
 55824         130          107  NKN-CORE-NW NKN Core Network, IN

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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     11537  INTERNET2-RESEARCH-EDU, US

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       
/13:16      /14:31      /15:89      /16:1504    /17:348     /18:396     
/19:484     /20:767     /21:735     /22:1161    /23:1326    /24:9374    
/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         191         204  KENET-AS, KE
  8895         138         143  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          30          34  MoRENet, MZ
 18632          29          55  VOLCANO-VISION, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US

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

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

   1:4         4:2         6:4         8:1        12:1        14:85     
  18:42       23:11       24:2        35:2        38:9        40:1      
  41:117      42:9        44:3        45:36       47:1        49:10     
  50:4        52:1        59:20       60:4        61:3        62:2      
  63:38       64:51       65:4        66:50       67:44       68:9      
  69:19       71:1        72:10       74:20       76:33       77:4      
  80:7        81:1        82:3        84:1        85:14       86:4      
  87:1        89:2        91:15       92:1        93:1        95:1      
  96:5        97:1        98:2       101:6       102:6       103:318    
 104:75      106:1       107:16      108:11      109:7       110:3      
 111:20      112:4       114:23      116:5       117:61      118:32     
 119:22      121:26      122:8       123:8       124:39      125:4      
 128:79      129:170     130:91      131:81      132:58      133:139    
 134:98      136:192     137:79      138:8       139:5       140:50     
 141:3       142:42      143:33      144:52      146:128     147:57     
 148:186     149:13      150:39      151:11      152:76      153:1      
 154:25      155:51      156:66      157:26      158:42      159:115    
 160:25      161:38      162:26      163:65      164:43      165:65     
 166:1       167:16      168:161     169:10      170:70      171:1      
 172:2       173:7       175:31      176:8       177:13      179:11     
 180:21      181:13      182:6       184:3       185:12      186:3      
 187:18      188:3       189:5       190:49      191:33      192:1069   
 193:80      194:53      195:52      196:147     197:114     198:499    
 199:281     200:253     201:40      202:632     203:423     204:330    
 205:173     206:197     207:171     208:70      209:121     210:185    
 211:13      212:136     213:2       214:7       216:86      217:1      
 218:25      219:3       220:17      222:5       223:3      

End of report


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