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

REN Routing Table Report cscora at frr.nsrc.org
Wed Jul 12 20:25:42 UTC 2023


IPv4 R&E Routing Table Report   20:25 GMT Wed 12 Jul, 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:                               24460
    Prefixes after maximum aggregation (per Origin AS):           11533
    Deaggregation factor:                                          2.12
    Unique aggregates announced (without unneeded subnets):       13165
    Number of IPv4 prefixes with a valid ROA:                      9179
    Number of IPv4 prefixes with an invalid ROA:                    169
    Number of IPv4 prefixes with no ROA:                          15112
Total ASes present in the Internet Routing Table:                  3014
    Prefixes per ASN:                                              8.12
Origin-only ASes present in the Internet Routing Table:            2583
Origin ASes announcing only one prefix:                            1125
Transit ASes present in the Internet Routing Table:                 431
Transit-only ASes present in the Internet Routing Table:             88
Paths with bogon ASNs present in the IPv4 Routing Table:              8
Average AS path length visible in the Internet Routing Table:       6.3
    Max AS path length visible:                                      23
    Max AS path prepend of ASN (395156)                              12
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:                      42266
Number of 32-bit ASNs visible in the Routing Table:                 794
Prefixes from 32-bit ASNs in the Routing Table:                    4126
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:              4
Number of addresses announced to Internet:                    196504768
    Equivalent to 11 /8s, 182 /16s and 108 /24s
    Percentage of available address space announced:                5.3
    Percentage of allocated address space announced:                5.3
    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:        2430

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

Prefixes being announced by APNIC Region ASes:                    10076
    Total APNIC prefixes after maximum aggregation:                3140
    APNIC Deaggregation factor:                                    3.21
Prefixes being announced from the APNIC address blocks:            9967
    Unique aggregates announced from the APNIC address blocks:     3876
APNIC Region origin ASes present in the Internet Routing Table:     758
    APNIC Prefixes per ASN:                                       13.15
APNIC Region origin ASes announcing only one prefix:                287
APNIC Region transit ASes present in the Internet Routing Table:    102
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    362
Number of APNIC addresses announced to Internet:               37770176
    Equivalent to 2 /8s, 64 /16s and 83 /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, 131072-153913
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:                      8232
    Total ARIN prefixes after maximum aggregation:                 4781
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             8299
    Unique aggregates announced from the ARIN address blocks:      5356
ARIN Region origin ASes present in the Internet Routing Table:     1262
    ARIN Prefixes per ASN:                                         6.58
ARIN Region origin ASes announcing only one prefix:                 449
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         7.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:     192
Number of ARIN addresses announced to Internet:                93866752
    Equivalent to 5 /8s, 152 /16s and 75 /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:                      3629
    Total RIPE prefixes after maximum aggregation:                 2869
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3670
    Unique aggregates announced from the RIPE address blocks:      2933
RIPE Region origin ASes present in the Internet Routing Table:      685
    RIPE Prefixes per ASN:                                         5.36
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     108
Average RIPE Region AS path length visible:                         7.0
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     146
Number of RIPE addresses announced to Internet:                57921792
    Equivalent to 3 /8s, 115 /16s and 209 /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:                    1436
    Total LACNIC prefixes after maximum aggregation:                560
    LACNIC Deaggregation factor:                                   2.56
Prefixes being announced from the LACNIC address blocks:           1434
    Unique aggregates announced from the LACNIC address blocks:     761
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       8.74
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       9.0
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4211200
    Equivalent to 0 /8s, 64 /16s and 66 /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:                   1077
    Total AfriNIC prefixes after maximum aggregation:               173
    AfriNIC Deaggregation factor:                                  6.23
Prefixes being announced from the AfriNIC address blocks:          1086
    Unique aggregates announced from the AfriNIC address blocks:    235
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     21.29
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      7.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2729728
    Equivalent to 0 /8s, 41 /16s and 167 /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
  7470         738        533      52  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         593         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  4621         507         73      18  UNINET-AS-AP UNINET-, TH
 45458         488         37      44  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         465         70      33  CAT-AP The Communication Authoity of Th
  7497         431        180      23  CSTNET-AS-AP Computer Network Informati
133481         409         74      32  AIS-FIBRE-AS-AP AIS Fibre, TH
131293         273         23      64  TOT-LLI-AS-AP TOT Public Company Limite
  4765         208         13      95  PACIFICINTERNET-AS-AP Pacific Internet 
  1237         190         74     139  KREONET-AS-KR KISTI, KR

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
  2152         269        507      94  CSUNET-NW, US
   668         217        636     180  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
    81         128        521      31  NCREN, US
 23024         113          7      17  OCDE, US
 19551         109          7      78  INCAPSULA, US
  2920         107         34       7  LACOE, US
 21976          85         51      18  NJEDGE-NET, 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         285       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         189       1767     183  JANET Jisc Services Limited, GB
  8895         132         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          95       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      74  ROEDUNET, RO
   137          94        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  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         219        176      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          56         36      15  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          48         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
  3596          34          4       3  Universidad Autonoma Metropolitana, MX

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         364        319      72  TENET-1, ZA
 36914         256         82       3  KENET-AS, KE
327687         166         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          39         16       1  MoRENet, MZ
 37215          37          8       1  MAREN, MW
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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
  7470         738        533      52  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         593         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  4621         507         73      18  UNINET-AS-AP UNINET-, TH
 45458         488         37      44  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         465         70      33  CAT-AP The Communication Authoity of Th
  7497         431        180      23  CSTNET-AS-AP Computer Network Informati
133481         409         74      32  AIS-FIBRE-AS-AP AIS Fibre, TH
  2018         364        319      72  TENET-1, ZA
   680         285       1903     249  DFN Verein zur Foerderung eines Deutsch
131293         273         23      64  TOT-LLI-AS-AP TOT Public Company Limite

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

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

   ASN  No of nets  Net Savings  Description
131090         593          584  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  4621         507          489  UNINET-AS-AP UNINET-, TH
 45458         488          444  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         465          432  CAT-AP The Communication Authoity of Thailand, 
  7497         431          408  CSTNET-AS-AP Computer Network Information Cente
133481         409          377  AIS-FIBRE-AS-AP AIS Fibre, TH
  2018         364          292  TENET-1, ZA
 36914         256          253  KENET-AS, KE
131293         273          209  TOT-LLI-AS-AP TOT Public Company Limited, TH
  5786         198          197  UPRENET, PR

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
     29867  UNALLOCATED  64.202.80.0/20           22742  CT-EDU-NET, US
    138219  UNALLOCATED  103.207.69.0/24          23884  PROENNET-AS Proen Corp Publi
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65200  PRIVATE      119.63.69.0/24           65128  UNASSIGNED
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     29867  UNALLOCATED  192.160.243.0/24         22742  CT-EDU-NET, US
     29867  UNALLOCATED  192.160.244.0/24         22742  CT-EDU-NET, 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
    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
64.202.80.0/20       Origin:     29867  UNASSIGNED
64.202.80.0/20      Transit:     22742  CT-EDU-NET, US
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
202.58.231.0/24      Origin:    134096  EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24     Transit:      7575  AARNET-AS-AP Australian Academic and Res

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       /11:1       /12:10      
/13:18      /14:34      /15:123     /16:1846    /17:460     /18:543     
/19:626     /20:1004    /21:920     /22:2105    /23:1810    /24:14806   
/25:2       /26:3       /27:3       /28:3       /29:12      /30:39      
/31:30      /32:59      

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

   ASN  No of nets  Total ann.  Description
 36914         244         256  KENET-AS, KE
  4621         145         507  UNINET-AS-AP UNINET-, TH
  8895         127         132  ISU Internet Services Unit ISU, SA
133481          65         409  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
 18632          34          66  VOLCANO-VISION, US
327700          34          39  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 19551          32         109  INCAPSULA, US

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

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

   1:138       2:1         5:15        6:4         8:4        12:1      
  14:94       18:1        23:26       24:1        27:66       31:7      
  35:2        38:9        40:1        41:142      42:10       43:96     
  44:6        45:120      46:5        47:4        49:556      50:3      
  52:1        58:210      59:10       60:4        61:303      62:12     
  63:38       64:58       65:5        66:48       67:43       68:8      
  69:19       70:2        71:1        72:7        74:50       76:41     
  77:9        78:3        79:10       80:9        81:26       82:7      
  83:6        84:11       85:42       86:11       87:1        89:10     
  90:1        91:47       92:2        93:4        94:4        95:14     
  96:1        97:2        98:2       101:23      102:31      103:470    
 104:80      106:67      107:50      108:10      109:8       110:419    
 111:55      112:26      113:47      114:34      115:10      116:58     
 117:61      118:105     119:239     121:16      122:224     123:15     
 124:42      125:12      128:92      129:46      130:91      131:64     
 132:62      133:11      134:306     136:204     137:133     138:10     
 139:15      140:52      141:7       142:39      143:23      144:36     
 145:3       146:132     147:71      148:199     149:13      150:44     
 151:11      152:136     153:14      154:60      155:63      156:68     
 157:31      158:37      159:241     160:1       161:28      162:26     
 163:91      164:65      165:47      166:1       167:18      168:168    
 169:8       170:84      171:144     172:4       173:7       174:1      
 175:19      176:8       177:5       179:12      180:76      181:1      
 182:44      183:9       184:18      185:65      186:3       187:17     
 188:14      189:3       190:18      191:13      192:1316    193:299    
 194:136     195:88      196:205     197:164     198:543     199:287    
 200:297     201:38      202:739     203:1067    204:363     205:142    
 206:194     207:191     208:74      209:160     210:255     211:5      
 212:166     213:5       214:8       216:87      217:11      218:24     
 220:17      221:36      222:2       223:59     

End of report


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