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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 17 22:41:02 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 17 May, 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:                              1008137
    Prefixes after maximum aggregation (per Origin AS):          367130
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      462073
Total ASes present in the Internet Routing Table:                 76068
    Prefixes per ASN:                                             13.25
Origin-only ASes present in the Internet Routing Table:           65200
Origin ASes announcing only one prefix:                           26072
Transit ASes present in the Internet Routing Table:               10868
Transit-only ASes present in the Internet Routing Table:            521
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:              1124
    Number of instances of unregistered ASNs:                      1126
Number of 32-bit ASNs allocated by the RIRs:                      44485
Number of 32-bit ASNs visible in the Routing Table:               36545
Prefixes from 32-bit ASNs in the Routing Table:                  197007
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:            667
Number of addresses announced to Internet:                   3029429620
    Equivalent to 180 /8s, 145 /16s and 109 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      344910

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

Prefixes being announced by APNIC Region ASes:                   263759
    Total APNIC prefixes after maximum aggregation:               74755
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255717
    Unique aggregates announced from the APNIC address blocks:   101093
APNIC Region origin ASes present in the Internet Routing Table:   14249
    APNIC Prefixes per ASN:                                       17.95
APNIC Region origin ASes announcing only one prefix:               4265
APNIC Region transit ASes present in the Internet Routing Table:   1914
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9593
Number of APNIC addresses announced to Internet:              762169248
    Equivalent to 45 /8s, 109 /16s and 199 /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:                    286716
    Total ARIN prefixes after maximum aggregation:               126782
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           291462
    Unique aggregates announced from the ARIN address blocks:    133748
ARIN Region origin ASes present in the Internet Routing Table:    19199
    ARIN Prefixes per ASN:                                        15.18
ARIN Region origin ASes announcing only one prefix:                6962
ARIN Region transit ASes present in the Internet Routing Table:    1984
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4915
Number of ARIN addresses announced to Internet:              1267824962
    Equivalent to 75 /8s, 145 /16s and 121 /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:                    285773
    Total RIPE prefixes after maximum aggregation:               129457
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279528
    Unique aggregates announced from the RIPE address blocks:    164103
RIPE Region origin ASes present in the Internet Routing Table:    28735
    RIPE Prefixes per ASN:                                         9.73
RIPE Region origin ASes announcing only one prefix:               12099
RIPE Region transit ASes present in the Internet Routing Table:    3965
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11837
Number of RIPE addresses announced to Internet:               714541170
    Equivalent to 42 /8s, 151 /16s and 8 /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:                  135806
    Total LACNIC prefixes after maximum aggregation:              29148
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134233
    Unique aggregates announced from the LACNIC address blocks:   49528
LACNIC Region origin ASes present in the Internet Routing Table:  11102
    LACNIC Prefixes per ASN:                                      12.09
LACNIC Region origin ASes announcing only one prefix:              2132
LACNIC Region transit ASes present in the Internet Routing Table:  2449
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        60
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8983
Number of LACNIC addresses announced to Internet:             177016352
    Equivalent to 10 /8s, 141 /16s and 14 /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:                  34959
    Total AfriNIC prefixes after maximum aggregation:              6280
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         46529
    Unique aggregates announced from the AfriNIC address blocks:  13100
AfriNIC Region origin ASes present in the Internet Routing Table:  1853
    AfriNIC Prefixes per ASN:                                     25.11
AfriNIC Region origin ASes announcing only one prefix:              614
AfriNIC Region transit ASes present in the Internet Routing Table:  355
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1217
Number of AfriNIC addresses announced to Internet:            107415296
    Equivalent to 6 /8s, 103 /16s and 7 /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        9848       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5638        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5030       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4540       1893      45  VNPT-AS-VN VNPT Corp, VN
 18403        4429        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3909       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3734        508     263  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3606       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2795        864     379  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2485      11522     581  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        9929      11378    3550  AMAZON-02, US
   174        5433       8782     871  COGENT-174, US
 11492        4616        306     604  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3597       1320      79  SHAW, CA
 22773        3543       3057     232  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3224      54904    2476  DNIC-AS-00749, US
 16625        3159       1343    2249  AKAMAI-AS, US
  7018        2818      23659    1776  ATT-INTERNET4, US
   367        2786       3442    1311  DNIC-ASBLK-00306-00371, 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        9136       1227    2143  TTNET, TR
 12479        7767       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3912       3396     152  AKAMAI-ASN1, NL
  9009        3359        292    1661  M247, RO
 12389        2987       2304     900  ROSTELECOM-AS, RU
  8551        2639        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2576       1852      14  TE-AS TE-AS, EG
  5384        2488        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2391        365     580  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       12216       3321     494  UNINET, MX
 10620        3511        492     939  Telmex Colombia S.A., CO
 13999        2538        353     664  Mega Cable, S.A. de C.V., MX
 11830        2004        369      64  Instituto Costarricense de Electricidad
 28573        1557       2314     252  Claro NXT Telecomunicacoes Ltda, BR
  3816        1321        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1183        176     443  Techtel LMDS Comunicaciones Interactiva
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1125        314     478  Axtel, S.A.B. de C.V., MX

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        1634        314      37  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1502        389      20  LINKdotNET-AS, EG
 36992        1373       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1200         77      60  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         553         82       3  KENET-AS, KE
 15399         527         55      54  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       12216       3321     494  UNINET, MX
 16509        9929      11378    3550  AMAZON-02, US
  9808        9848       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9136       1227    2143  TTNET, TR
 12479        7767       1708     145  UNI2-AS, ES
  7545        5638        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5433       8782     871  COGENT-174, US
  4538        5030       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4616        306     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        9848         9778  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7767         7622  UNI2-AS, ES
 47331        9136         6993  TTNET, TR
 16509        9929         6379  AMAZON-02, US
  7545        5638         4964  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5030         4956  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
   174        5433         4562  COGENT-174, US
 45899        4540         4495  VNPT-AS-VN VNPT Corp, VN
 18403        4429         4406  FPT-AS-AP FPT Telecom Company, VN

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
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, 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      /11:94      /12:297     
/13:583     /14:1197    /15:2123    /16:13417   /17:8522    /18:14733   
/19:25773   /20:45750   /21:54517   /22:115566  /23:108308  /24:610954  
/25:1124    /26:1098    /27:1610    /28:316     /29:523     /30:521     
/31:355     /32:688     

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

   ASN  No of nets  Total ann.  Description
 47331        8243        9136  TTNET, TR
 12479        6863        7767  UNI2-AS, ES
  8151        6238       12216  UNINET, MX
 11492        3525        4616  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3393        3597  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2639        3543  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2153        2499  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2137        3511  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)
----------------------------------------------

   1:2317      2:1719      3:348       4:22        5:4759      6:164    
   7:6         8:1619      9:1        11:172      12:1458     13:361    
  14:2486     15:318      16:211      17:373      18:767      20:393    
  21:4        22:188      23:6811     24:3125     25:2        27:2633   
  29:19       31:2745     32:61       34:65       35:137      36:2331   
  37:4612     38:8722     39:904      40:125      41:4713     42:2184   
  43:2443     44:321      45:18456    46:4600     47:313      49:1968   
  50:1926     51:580      52:1611     54:313      55:999      56:5      
  57:187      58:2138     59:1270     60:1028     61:2816     62:2834   
  63:1932     64:5735     65:2392     66:4842     67:3069     68:1351   
  69:4145     70:1388     71:595      72:2950     74:2631     75:1596   
  76:623      77:2636     78:4185     79:2550     80:2228     81:2267   
  82:1691     83:1408     84:1669     85:4086     86:1008     87:2321   
  88:3111     89:4235     90:680      91:8290     92:2390     93:2734   
  94:3901     95:5450     96:1296     97:316      98:1052     99:742    
 100:90      101:1200    102:3752    103:33121   104:4824    105:2089   
 106:1017    107:2778    108:1161    109:4190    110:2184    111:3290   
 112:2114    113:1841    114:1806    115:2185    116:1919    117:2675   
 118:2856    119:2080    120:1796    121:1364    122:2843    123:2272   
 124:1706    125:2905    126:32      128:1554    129:1038    130:1194   
 131:2032    132:920     133:412     134:1742    135:365     136:1022   
 137:1083    138:3222    139:1567    140:1397    141:1365    142:1602   
 143:1652    144:1019    145:365     146:2100    147:1942    148:2539   
 149:2823    150:1050    151:1350    152:2179    153:595     154:6836   
 155:1466    156:2320    157:1817    158:1159    159:2348    160:2761   
 161:1721    162:3592    163:1771    164:1717    165:2188    166:1175   
 167:1830    168:4232    169:832     170:5349    171:1056    172:3880   
 173:3078    174:896     175:1258    176:3841    177:6287    178:3855   
 179:2689    180:2479    181:3835    182:3408    183:2011    184:2286   
 185:21167   186:5589    187:5189    188:4346    189:4564    190:9811   
 191:2076    192:11074   193:9196    194:7692    195:5500    196:3702   
 197:2893    198:6106    199:7884    200:8559    201:6534    202:10876  
 203:10699   204:4655    205:3809    206:4542    207:3656    208:4211   
 209:5140    210:4790    211:2672    212:4446    213:3593    214:1071   
 215:49      216:6949    217:3234    218:1369    219:613     220:2051   
 221:1045    222:978     223:2254   

End of report


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