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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 19 22:41:18 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 19 Apr, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              1001625
    Prefixes after maximum aggregation (per Origin AS):          366049
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      460454
Total ASes present in the Internet Routing Table:                 75916
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65036
Origin ASes announcing only one prefix:                           25932
Transit ASes present in the Internet Routing Table:               10880
Transit-only ASes present in the Internet Routing Table:            535
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1188
    Number of instances of unregistered ASNs:                      1190
Number of 32-bit ASNs allocated by the RIRs:                      44201
Number of 32-bit ASNs visible in the Routing Table:               36361
Prefixes from 32-bit ASNs in the Routing Table:                  195727
Number of bogon 32-bit ASNs visible in the Routing Table:           170
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            638
Number of addresses announced to Internet:                   3031090868
    Equivalent to 180 /8s, 170 /16s and 198 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      342470

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

Prefixes being announced by APNIC Region ASes:                   260700
    Total APNIC prefixes after maximum aggregation:               74433
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          252819
    Unique aggregates announced from the APNIC address blocks:   100581
APNIC Region origin ASes present in the Internet Routing Table:   14171
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4233
APNIC Region transit ASes present in the Internet Routing Table:   1899
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9527
Number of APNIC addresses announced to Internet:              762354080
    Equivalent to 45 /8s, 112 /16s and 153 /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:                    284021
    Total ARIN prefixes after maximum aggregation:               126276
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288756
    Unique aggregates announced from the ARIN address blocks:    133316
ARIN Region origin ASes present in the Internet Routing Table:    19171
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                6945
ARIN Region transit ASes present in the Internet Routing Table:    1962
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4891
Number of ARIN addresses announced to Internet:              1269361986
    Equivalent to 75 /8s, 168 /16s and 237 /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, 393216-402332
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:                    283923
    Total RIPE prefixes after maximum aggregation:               129350
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           277621
    Unique aggregates announced from the RIPE address blocks:    163548
RIPE Region origin ASes present in the Internet Routing Table:    28691
    RIPE Prefixes per ASN:                                         9.68
RIPE Region origin ASes announcing only one prefix:               12075
RIPE Region transit ASes present in the Internet Routing Table:    4008
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11784
Number of RIPE addresses announced to Internet:               714895218
    Equivalent to 42 /8s, 156 /16s and 111 /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
                       196608-216475
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:                  136953
    Total LACNIC prefixes after maximum aggregation:              29019
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135380
    Unique aggregates announced from the LACNIC address blocks:   49483
LACNIC Region origin ASes present in the Internet Routing Table:  11093
    LACNIC Prefixes per ASN:                                      12.20
LACNIC Region origin ASes announcing only one prefix:              2081
LACNIC Region transit ASes present in the Internet Routing Table:  2463
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8962
Number of LACNIC addresses announced to Internet:             177249376
    Equivalent to 10 /8s, 144 /16s and 156 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                  34840
    Total AfriNIC prefixes after maximum aggregation:              6235
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         46410
    Unique aggregates announced from the AfriNIC address blocks:  13034
AfriNIC Region origin ASes present in the Internet Routing Table:  1831
    AfriNIC Prefixes per ASN:                                     25.35
AfriNIC Region origin ASes announcing only one prefix:              598
AfriNIC Region transit ASes present in the Internet Routing Table:  359
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1197
Number of AfriNIC addresses announced to Internet:            106907136
    Equivalent to 6 /8s, 95 /16s and 70 /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
  9808        9882       8744      69  CHINAMOBILE-CN China Mobile Communicati
  7545        5664        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5023       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4583        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3880       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3639       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3595        499     257  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2782        864     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2495      11524     585  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9834      11363    3486  AMAZON-02, US
   174        5235       6629     837  COGENT-174, US
 11492        4603        305     604  CABLEONE, US
  7155        4176        288      92  VIASAT-SP-BACKBONE, US
  6327        3609       1320      75  SHAW, CA
 22773        3548       3064     239  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3202      54912    2454  DNIC-AS-00749, US
 16625        3168       1345    2245  AKAMAI-AS, US
   367        2835       3548    1354  DNIC-ASBLK-00306-00371, US
  7018        2774      23648    1777  ATT-INTERNET4, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9062       1223    2272  TTNET, TR
 12479        7711       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3951       3396     150  AKAMAI-ASN1, NL
  9009        3295        286    1611  M247, RO
 12389        2952       2301     892  ROSTELECOM-AS, RU
  8551        2639        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2491       1852      14  TE-AS TE-AS, EG
 34984        2395        367     575  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12419       3319     490  UNINET, MX
 10620        3522        495     906  Telmex Colombia S.A., CO
 13999        2530        350     660  Mega Cable, S.A. de C.V., MX
 11830        2004        369      64  Instituto Costarricense de Electricidad
 28573        1547       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1230        216      21  ETB - Colombia, CO
 11664        1155        175     428  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1125         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1630        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1501        389      20  LINKdotNET-AS, EG
 36992        1368       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1205         76      63  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         544         82       3  KENET-AS, KE
 15399         529         55      49  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12419       3319     490  UNINET, MX
  9808        9882       8744      69  CHINAMOBILE-CN China Mobile Communicati
 16509        9834      11363    3486  AMAZON-02, US
 47331        9062       1223    2272  TTNET, TR
 12479        7711       1709     144  UNI2-AS, ES
  7545        5664        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5235       6629     837  COGENT-174, US
  4538        5023       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4603        305     604  CABLEONE, US

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

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

   ASN  No of nets  Net Savings  Description
  9808        9882         9813  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7711         7567  UNI2-AS, ES
 47331        9062         6790  TTNET, TR
 16509        9834         6348  AMAZON-02, US
  7545        5664         4987  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5023         4947  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4583         4560  FPT-AS-AP FPT Telecom Company, VN
   174        5235         4398  COGENT-174, US
  7155        4176         4084  VIASAT-SP-BACKBONE, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.154.9.0/24        Origin:     52025  PARADOXNETWORKS, GB
23.154.9.0/24       Transit:       835  GOCODEIT-EDGE, CA
23.175.120.0/24      Origin:    400967  ASSUREDNET-ASN1, US
23.175.120.0/24     Transit:     21700  NEPTUNE-NETWORKS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:95      /12:301     
/13:586     /14:1211    /15:2143    /16:13429   /17:8503    /18:14207   
/19:25490   /20:45501   /21:54118   /22:115060  /23:107994  /24:607916  
/25:1103    /26:1070    /27:1516    /28:165     /29:280     /30:124     
/31:117     /32:628     

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

   ASN  No of nets  Total ann.  Description
 47331        8169        9062  TTNET, TR
 12479        6826        7711  UNI2-AS, ES
  8151        6438       12419  UNINET, MX
 11492        3516        4603  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3406        3609  SHAW, CA
  7155        3119        4176  VIASAT-SP-BACKBONE, US
 22773        2637        3548  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2149        2495  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2135        3522  Telmex Colombia S.A., CO

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

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

   1:2337      2:1705      3:325       4:22        5:4713      6:163    
   7:6         8:1616      9:2        11:172      12:1460     13:367    
  14:2450     15:317      16:209      17:373      18:765      20:379    
  21:4        22:188      23:6736     24:3118     25:2        27:2679   
  29:19       31:2867     32:60       34:66       35:132      36:2328   
  37:4607     38:8494     39:898      40:126      41:4668     42:2202   
  43:2428     44:319      45:18588    46:4553     47:310      49:1951   
  50:1948     51:577      52:1617     54:311      55:925      56:5      
  57:178      58:2133     59:1268     60:1033     61:2778     62:2843   
  63:1931     64:5750     65:2399     66:4851     67:3080     68:1363   
  69:4162     70:1385     71:588      72:2970     74:2633     75:1588   
  76:614      77:2591     78:4161     79:2525     80:2219     81:2209   
  82:1635     83:1392     84:1649     85:4068     86:941      87:2292   
  88:3047     89:4214     90:675      91:8265     92:2301     93:2690   
  94:3832     95:5382     96:1307     97:315      98:1059     99:742    
 100:97      101:1198    102:3654    103:32971   104:4868    105:2083   
 106:1009    107:2793    108:1123    109:4158    110:2183    111:3285   
 112:2093    113:1835    114:1792    115:2149    116:1905    117:2640   
 118:2868    119:2045    120:1812    121:1358    122:2796    123:2264   
 124:1698    125:2896    126:32      128:1563    129:1036    130:1176   
 131:2047    132:930     133:410     134:1727    135:361     136:949    
 137:1073    138:3204    139:1569    140:1396    141:1377    142:1622   
 143:1640    144:1010    145:345     146:2101    147:1866    148:2519   
 149:2643    150:1047    151:1365    152:2038    153:594     154:6844   
 155:1467    156:2514    157:1764    158:1156    159:2339    160:2744   
 161:1668    162:3623    163:1718    164:1709    165:2189    166:1175   
 167:1827    168:4249    169:827     170:5333    171:1031    172:3851   
 173:3073    174:905     175:1253    176:3810    177:6281    178:3713   
 179:2767    180:2455    181:3807    182:3409    183:2056    184:2294   
 185:21077   186:5721    187:5229    188:4272    189:4626    190:9727   
 191:2051    192:11038   193:9136    194:7647    195:5482    196:3663   
 197:2928    198:6092    199:7702    200:8673    201:6629    202:10834  
 203:10567   204:4636    205:3815    206:4564    207:3555    208:4204   
 209:5146    210:4797    211:2612    212:4404    213:3580    214:1061   
 215:50      216:6890    217:3066    218:1387    219:606     220:2053   
 221:1043    222:883     223:2241   

End of report


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