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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Nov 21 22:41:34 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 21 Nov, 2023

  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:                              983560
    Prefixes after maximum aggregation (per Origin AS):          361739
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454934
Total ASes present in the Internet Routing Table:                 75262
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64581
Origin ASes announcing only one prefix:                           25967
Transit ASes present in the Internet Routing Table:               10681
Transit-only ASes present in the Internet Routing Table:            477
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1228
    Number of instances of unregistered ASNs:                      1231
Number of 32-bit ASNs allocated by the RIRs:                      43080
Number of 32-bit ASNs visible in the Routing Table:               35514
Prefixes from 32-bit ASNs in the Routing Table:                  185518
Number of bogon 32-bit ASNs visible in the Routing Table:           193
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            610
Number of addresses announced to Internet:                   3051204413
    Equivalent to 181 /8s, 221 /16s and 175 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      338573

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

Prefixes being announced by APNIC Region ASes:                   256205
    Total APNIC prefixes after maximum aggregation:               72372
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          249327
    Unique aggregates announced from the APNIC address blocks:    99285
APNIC Region origin ASes present in the Internet Routing Table:   13827
    APNIC Prefixes per ASN:                                       18.03
APNIC Region origin ASes announcing only one prefix:               4104
APNIC Region transit ASes present in the Internet Routing Table:   1872
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9144
Number of APNIC addresses announced to Internet:              772343200
    Equivalent to 46 /8s, 9 /16s and 5 /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:                    281700
    Total ARIN prefixes after maximum aggregation:               125741
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286224
    Unique aggregates announced from the ARIN address blocks:    132311
ARIN Region origin ASes present in the Internet Routing Table:    19091
    ARIN Prefixes per ASN:                                        14.99
ARIN Region origin ASes announcing only one prefix:                6926
ARIN Region transit ASes present in the Internet Routing Table:    1956
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4833
Number of ARIN addresses announced to Internet:              1276998720
    Equivalent to 76 /8s, 29 /16s and 116 /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:                    281725
    Total RIPE prefixes after maximum aggregation:               127881
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275088
    Unique aggregates announced from the RIPE address blocks:    160737
RIPE Region origin ASes present in the Internet Routing Table:    28566
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12066
RIPE Region transit ASes present in the Internet Routing Table:    3931
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11486
Number of RIPE addresses announced to Internet:               715248861
    Equivalent to 42 /8s, 161 /16s and 212 /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:                  128626
    Total LACNIC prefixes after maximum aggregation:              28871
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127704
    Unique aggregates announced from the LACNIC address blocks:   49277
LACNIC Region origin ASes present in the Internet Routing Table:  11059
    LACNIC Prefixes per ASN:                                      11.55
LACNIC Region origin ASes announcing only one prefix:              2278
LACNIC Region transit ASes present in the Internet Routing Table:  2377
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8892
Number of LACNIC addresses announced to Internet:             178454400
    Equivalent to 10 /8s, 162 /16s and 255 /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:                  34076
    Total AfriNIC prefixes after maximum aggregation:              6100
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44606
    Unique aggregates announced from the AfriNIC address blocks:  12810
AfriNIC Region origin ASes present in the Internet Routing Table:  1820
    AfriNIC Prefixes per ASN:                                     24.51
AfriNIC Region origin ASes announcing only one prefix:              593
AfriNIC Region transit ASes present in the Internet Routing Table:  348
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1159
Number of AfriNIC addresses announced to Internet:            107707904
    Equivalent to 6 /8s, 107 /16s and 126 /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        9754       8730      44  CHINAMOBILE-CN China Mobile Communicati
  7545        5689        788     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5016       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4348        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3833       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3601       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3265        494     246  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3265       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2733      11270     604  KIXS-AS-KR Korea Telecom, KR
 24560        2593        852     373  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9340      11143    3285  AMAZON-02, US
 11492        4557        302     676  CABLEONE, US
  7155        4184        289     100  VIASAT-SP-BACKBONE, US
   174        3896       6655     635  COGENT-174, US
 22773        3630       3077     304  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3552       1320      68  SHAW, CA
   749        3159      54932    2411  DNIC-AS-00749, US
 16625        3153       1404    2320  AKAMAI-AS, US
   367        3036       3870    1423  DNIC-ASBLK-00306-00371, US
396982        2723       3631     374  GOOGLE-CLOUD-PLATFORM, 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        8703       1184    2855  TTNET, TR
 12479        7475       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4085       3398     169  AKAMAI-ASN1, NL
  9009        3439        297    1600  M247, RO
  8551        3433        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3017       2298     924  ROSTELECOM-AS, RU
  5384        2498        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2467       1852      14  TE-AS TE-AS, EG
 34984        2367        364     583  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       12152       3376     612  UNINET, MX
 10620        3527        499     871  Telmex Colombia S.A., CO
 13999        2452        334     644  Mega Cable, S.A. de C.V., MX
 11830        2009        369      64  Instituto Costarricense de Electricidad
 28573        1333       2322     236  Claro NXT Telecomunicacoes Ltda, BR
  3816        1301        779     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1251        342     506  Axtel, S.A.B. de C.V., MX
  6147        1102        369      22  Telefonica del Peru S.A.A., PE
 11664        1080        173     438  Techtel LMDS Comunicaciones Interactiva
 28202        1065         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        1626        319      45  Telkom-Internet, ZA
 24863        1606        393      19  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      53  ORANGE-COTE-IVOIRE, CI
 36935         935        521      43  Vodafone-, EG
  6713         552       1861      34  IAM-AS, MA
 36914         526         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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       12152       3376     612  UNINET, MX
  9808        9754       8730      44  CHINAMOBILE-CN China Mobile Communicati
 16509        9340      11143    3285  AMAZON-02, US
 47331        8703       1184    2855  TTNET, TR
 12479        7475       1713     145  UNI2-AS, ES
  7545        5689        788     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5016       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4557        302     676  CABLEONE, US
 18403        4348        347      25  FPT-AS-AP FPT Telecom Company, VN

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        9754         9710  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7475         7330  UNI2-AS, ES
 16509        9340         6055  AMAZON-02, US
 47331        8703         5848  TTNET, TR
  7545        5689         4994  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5016         4941  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4348         4323  FPT-AS-AP FPT Telecom Company, VN
  7155        4184         4084  VIASAT-SP-BACKBONE, US
 20940        4085         3916  AKAMAI-ASN1, NL

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, 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  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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
23.166.56.0/24       Origin:     53684  CWAS02, US
23.166.56.0/24      Transit:      3356  LEVEL3, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, 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      /10:38      /11:99      /12:300     
/13:584     /14:1212    /15:2143    /16:13608   /17:8544    /18:14227   
/19:25634   /20:45602   /21:54277   /22:114441  /23:107314  /24:590616  
/25:1128    /26:1084    /27:1497    /28:161     /29:242     /30:79      
/31:76      /32:623     

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

   ASN  No of nets  Total ann.  Description
 47331        7820        8703  TTNET, TR
 12479        6566        7475  UNI2-AS, ES
  8151        6146       12152  UNINET, MX
 11492        3470        4557  CABLEONE, US
  6327        3362        3552  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3130        4184  VIASAT-SP-BACKBONE, US
  8551        2910        3433  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2677        3630  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2137        2482  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2270      2:1596      3:276       4:8         5:4606      6:162    
   7:6         8:1622      9:1        11:172      12:1498     13:375    
  14:2340     15:304      16:206      17:370      18:678      20:337    
  21:4        22:188      23:6556     24:2975     25:2        27:2665   
  29:19       31:2730     32:76       34:34       35:120      36:2044   
  37:4579     38:6749     39:885      40:151      41:4664     42:2086   
  43:2387     44:333      45:17566    46:4554     47:381      49:1866   
  50:1910     51:577      52:1624     54:393      55:873      56:5      
  57:138      58:1972     59:1191     60:1006     61:2742     62:2853   
  63:1936     64:5693     65:2400     66:5176     67:3135     68:1374   
  69:4175     70:1400     71:614      72:3016     74:2673     75:1610   
  76:629      77:2474     78:4077     79:3054     80:2174     81:2096   
  82:1591     83:1383     84:1633     85:3867     86:885      87:2223   
  88:2957     89:4012     90:632      91:8039     92:2232     93:2678   
  94:3752     95:5130     96:1332     97:317      98:1106     99:738    
 100:125     101:1431    102:3428    103:32877   104:4815    105:2018   
 106:990     107:2800    108:1150    109:4292    110:2167    111:3163   
 112:2103    113:1705    114:1728    115:2093    116:1998    117:2567   
 118:2764    119:2021    120:1810    121:1277    122:2758    123:2262   
 124:1656    125:2680    128:1597    129:1006    130:1103    131:2081   
 132:983     133:407     134:1728    135:340     136:928     137:1053   
 138:2879    139:1585    140:1337    141:1335    142:1575    143:1596   
 144:1009    145:342     146:2010    147:1655    148:2500    149:2371   
 150:1031    151:1275    152:1985    153:595     154:5616    155:1391   
 156:2180    157:1385    158:1064    159:2219    160:2684    161:1627   
 162:3606    163:1645    164:1726    165:1919    166:1082    167:1774   
 168:4019    169:817     170:4917    171:996     172:3783    173:3037   
 174:962     175:1236    176:3781    177:5476    178:3580    179:2426   
 180:2354    181:3655    182:3389    183:2019    184:2285    185:20894  
 186:5134    187:4669    188:4247    189:4305    190:9491    191:1935   
 192:11066   193:9035    194:7532    195:5465    196:3650    197:2927   
 198:6091    199:6563    200:8318    201:6403    202:10995   203:10495  
 204:4633    205:3734    206:4500    207:3566    208:4164    209:4976   
 210:4633    211:2561    212:4378    213:3518    214:1117    215:71     
 216:6866    217:3032    218:1349    219:611     220:2031    221:1007   
 222:868     223:2214   

End of report


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