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

REN Routing Table Report cscora at frr.nsrc.org
Tue Jan 31 20:25:49 UTC 2023


IPv4 R&E Routing Table Report   20:25 GMT Tue 31 Jan, 2023

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

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

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

BGP routing table entries examined:                               35035
    Prefixes after maximum aggregation (per Origin AS):           14368
    Deaggregation factor:                                          2.44
    Unique aggregates announced (without unneeded subnets):       16248
    Number of IPv4 prefixes with a valid ROA:                     14641
    Number of IPv4 prefixes with an invalid ROA:                    276
    Number of IPv4 prefixes with no ROA:                          20118
Total ASes present in the Internet Routing Table:                  3542
    Prefixes per ASN:                                              9.89
Origin-only ASes present in the Internet Routing Table:            3022
Origin ASes announcing only one prefix:                            1245
Transit ASes present in the Internet Routing Table:                 520
Transit-only ASes present in the Internet Routing Table:             84
Paths with bogon ASNs present in the IPv4 Routing Table:              6
Average AS path length visible in the Internet Routing Table:       6.3
    Max AS path length visible:                                      23
    Max AS path prepend of ASN (136205)                              15
Prefixes from unregistered ASNs in the Routing Table:                10
    Number of instances of unregistered ASNs:                        10
Number of 32-bit ASNs allocated by the RIRs:                      41157
Number of 32-bit ASNs visible in the Routing Table:                1065
Prefixes from 32-bit ASNs in the Routing Table:                    6450
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:              5
Number of addresses announced to Internet:                    236767232
    Equivalent to 14 /8s, 28 /16s and 200 /24s
    Percentage of available address space announced:                6.4
    Percentage of allocated address space announced:                6.4
    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:        2807

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

Prefixes being announced by APNIC Region ASes:                    20397
    Total APNIC prefixes after maximum aggregation:                5593
    APNIC Deaggregation factor:                                    3.65
Prefixes being announced from the APNIC address blocks:           20204
    Unique aggregates announced from the APNIC address blocks:     6404
APNIC Region origin ASes present in the Internet Routing Table:    1250
    APNIC Prefixes per ASN:                                       16.16
APNIC Region origin ASes announcing only one prefix:                396
APNIC Region transit ASes present in the Internet Routing Table:    188
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    634
Number of APNIC addresses announced to Internet:               60874240
    Equivalent to 3 /8s, 160 /16s and 222 /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:                      8509
    Total ARIN prefixes after maximum aggregation:                 5043
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             8598
    Unique aggregates announced from the ARIN address blocks:      5701
ARIN Region origin ASes present in the Internet Routing Table:     1286
    ARIN Prefixes per ASN:                                         6.69
ARIN Region origin ASes announcing only one prefix:                 456
ARIN Region transit ASes present in the Internet Routing Table:     171
Average ARIN Region AS path length visible:                         7.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:     189
Number of ARIN addresses announced to Internet:               108979712
    Equivalent to 6 /8s, 126 /16s and 230 /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:                      3729
    Total RIPE prefixes after maximum aggregation:                 2936
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3726
    Unique aggregates announced from the RIPE address blocks:      2996
RIPE Region origin ASes present in the Internet Routing Table:      705
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 312
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         7.7
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     149
Number of RIPE addresses announced to Internet:                59572736
    Equivalent to 3 /8s, 141 /16s and 2 /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:                    1381
    Total LACNIC prefixes after maximum aggregation:                582
    LACNIC Deaggregation factor:                                   2.37
Prefixes being announced from the LACNIC address blocks:           1382
    Unique aggregates announced from the LACNIC address blocks:     797
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       8.75
LACNIC Region origin ASes announcing only one prefix:                58
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       9.0
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4649472
    Equivalent to 0 /8s, 70 /16s and 242 /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:                   1009
    Total AfriNIC prefixes after maximum aggregation:               204
    AfriNIC Deaggregation factor:                                  4.95
Prefixes being announced from the AfriNIC address blocks:          1120
    Unique aggregates announced from the AfriNIC address blocks:    345
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     21.96
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      7.9
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2689536
    Equivalent to 0 /8s, 41 /16s and 10 /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
 23969        1970        314      16  TOT-NET TOT Public Company Limited, TH
  7470         727        532      45  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         690        171      60  NCIC-TW New Century InfoComm Tech Co., 
131090         614         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         580       2156     460  SINET-AS Research Organization of Infor
  4621         515         73      18  UNINET-AS-AP UNINET-, TH
 45458         483         35      65  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         451         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  9931         447         70      34  CAT-AP The Communication Authoity of Th
131596         447         87      10  TBCOM-NET TBC, TW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         219        702     180  DNIC-AS-00668, US
  2152         210        507      92  CSUNET-NW, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
  8075         104       4107     103  MICROSOFT-CORP-MSN-AS-BLOCK, US
 19551         102          6      73  INCAPSULA, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         284       1919     250  DFN Verein zur Foerderung eines Deutsch
   786         188       1775     183  JANET Jisc Services Limited, GB
  8895         134         24       4  ISU Internet Services Unit ISU, SA
   559         114        550     105  SWITCH Peering requests: peering at switch
  1103          97       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          94        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          62        598      58  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         157        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      56  Red Universitaria Nacional, CL
  1251          58         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          43          3      15  CEDIA, EC
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         370        319      71  TENET-1, ZA
 36914         250         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          44         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
327700          32         16       1  MoRENet, MZ
 37182          31          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 23969        1970        314      16  TOT-NET TOT Public Company Limited, TH
  7470         727        532      45  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         690        171      60  NCIC-TW New Century InfoComm Tech Co., 
131090         614         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         580       2156     460  SINET-AS Research Organization of Infor
  4621         515         73      18  UNINET-AS-AP UNINET-, TH
 45458         483         35      65  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         451         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  9931         447         70      34  CAT-AP The Communication Authoity of Th
131596         447         87      10  TBCOM-NET TBC, TW

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7470         727          682  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
  9919         690          630  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090         614          605  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  4621         515          497  UNINET-AS-AP UNINET-, TH
  4750         451          437  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596         447          437  TBCOM-NET TBC, TW
 45458         483          418  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         447          413  CAT-AP The Communication Authoity of Thailand, 
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
133481         414          384  AIS-FIBRE-AS-AP AIS Fibre, TH

Complete listing at https://bgp.nsrc.org/REN/AIT/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     56096  UNALLOCATED  27.100.7.0/24            45455  TH-2S1N-AP Two S One N Co Lt
    141730  UNALLOCATED  103.161.0.0/24           55423  JASTEL-NETWORK-TH-IDC-AP Jas
    138219  UNALLOCATED  103.207.69.0/24          23884  PROENNET-AS Proen Corp Publi
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     64558  PRIVATE      202.44.52.0/22           23932  WINTH-AS-AP Internet Service
     64558  PRIVATE      202.52.4.0/22            23932  WINTH-AS-AP Internet Service
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
27.100.7.0/24        Origin:     56096  UNASSIGNED
27.100.7.0/24       Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
103.141.224.0/24     Origin:    136744  DPTL-AS-AP DREAM POWER TECHNOLOGY LIMITE
103.141.224.0/24    Transit:    138678  GTDC-AS-AP Grandbo Technology Developmen
103.161.0.0/24       Origin:    141730  UNASSIGNED
103.161.0.0/24      Transit:     55423  JASTEL-NETWORK-TH-IDC-AP JasTel Network,
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/AIT/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       /11:4       /12:12      
/13:25      /14:45      /15:139     /16:2150    /17:615     /18:838     
/19:1076    /20:1380    /21:1580    /22:3620    /23:2570    /24:20822   
/25:2       /26:3       /27:3       /28:3       /29:12      /30:41      
/31:32      /32:60      

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

   ASN  No of nets  Total ann.  Description
 36914         237         250  KENET-AS, KE
132280         155         304  SYMPHONY-AP-TH Symphony Communication Thailand 
  4621         150         515  UNINET-AS-AP UNINET-, TH
  8895         129         134  ISU Internet Services Unit ISU, SA
133481          62         414  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          52         113  OCDE, US
131207          43          77  SINET-KH SINET, Cambodias specialist Internet a
133385          36          48  ATOMMYANMAR-AS-AP Atom Myanmar Limited, MM
 18632          34          65  VOLCANO-VISION, US
 32440          34          49  LONI, US

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

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

   1:489       2:1         5:16        6:4         8:4         9:1      
  12:1        13:38       14:93       16:1        23:16       24:4      
  27:196      31:7        35:6        36:9        37:34       38:14     
  39:5        40:2        41:141      42:19       43:227      44:5      
  45:181      46:5        47:6        49:547      50:5        52:3      
  58:306      59:30       60:58       61:385      62:12       63:39     
  64:62       65:12       66:57       67:45       68:8        69:23     
  70:2        71:1        72:39       74:54       76:38       77:8      
  78:3        79:11       80:17       81:29       82:5        83:37     
  84:11       85:42       86:5        87:7        89:10       90:1      
  91:48       92:2        93:4        94:4        95:4        96:69     
  97:3        98:2       101:110     102:17      103:1280    104:82     
 106:75      107:51      108:8       109:9       110:464     111:122    
 112:42      113:145     114:41      115:141     116:72      117:79     
 118:377     119:298     120:6       121:33      122:323     123:108    
 124:160     125:197     128:95      129:45      130:89      131:79     
 132:63      133:149     134:310     135:6       136:223     137:85     
 138:10      139:20      140:64      141:15      142:39      143:32     
 144:41      145:3       146:164     147:87      148:199     149:15     
 150:156     151:7       152:73      153:14      154:114     155:54     
 156:75      157:36      158:41      159:255     160:26      161:93     
 162:24      163:99      164:89      165:102     166:3       167:52     
 168:176     169:10      170:82      171:194     172:5       173:8      
 175:101     176:10      177:9       179:10      180:132     181:2      
 182:223     183:36      184:13      185:76      186:3       187:19     
 188:15      189:3       190:18      191:39      192:1408    193:355    
 194:157     195:96      196:155     197:153     198:528     199:293    
 200:222     201:37      202:1308    203:1606    204:377     205:145    
 206:203     207:185     208:77      209:145     210:556     211:31     
 212:170     213:7       214:8       216:88      217:12      218:152    
 219:11      220:53      221:36      222:8       223:97     

End of report


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