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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Mar 12 22:41:39 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 12 Mar, 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:                              991733
    Prefixes after maximum aggregation (per Origin AS):          363925
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      458602
Total ASes present in the Internet Routing Table:                 75775
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64935
Origin ASes announcing only one prefix:                           26135
Transit ASes present in the Internet Routing Table:               10840
Transit-only ASes present in the Internet Routing Table:            509
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:                                      60
    Max AS path prepend of ASN (2485408)                              56
Prefixes from unregistered ASNs in the Routing Table:              1188
    Number of instances of unregistered ASNs:                      1301
Number of 32-bit ASNs allocated by the RIRs:                      43825
Number of 32-bit ASNs visible in the Routing Table:               36153
Prefixes from 32-bit ASNs in the Routing Table:                  190100
Number of bogon 32-bit ASNs visible in the Routing Table:           399
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            601
Number of addresses announced to Internet:                   3044915637
    Equivalent to 181 /8s, 125 /16s and 185 /24s
    Percentage of available address space announced:               82.2
    Percentage of allocated address space announced:               82.2
    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:      338893

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

Prefixes being announced by APNIC Region ASes:                   259570
    Total APNIC prefixes after maximum aggregation:               73791
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252119
    Unique aggregates announced from the APNIC address blocks:   100041
APNIC Region origin ASes present in the Internet Routing Table:   14125
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4224
APNIC Region transit ASes present in the Internet Routing Table:   1896
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9464
Number of APNIC addresses announced to Internet:              775100064
    Equivalent to 46 /8s, 51 /16s and 22 /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:                    284161
    Total ARIN prefixes after maximum aggregation:               125438
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           288596
    Unique aggregates announced from the ARIN address blocks:    132629
ARIN Region origin ASes present in the Internet Routing Table:    19161
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                6951
ARIN Region transit ASes present in the Internet Routing Table:    1976
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4875
Number of ARIN addresses announced to Internet:              1270634050
    Equivalent to 75 /8s, 188 /16s and 86 /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:                    282287
    Total RIPE prefixes after maximum aggregation:               128837
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276050
    Unique aggregates announced from the RIPE address blocks:    162534
RIPE Region origin ASes present in the Internet Routing Table:    28665
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12100
RIPE Region transit ASes present in the Internet Routing Table:    4004
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          39
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11699
Number of RIPE addresses announced to Internet:               714868083
    Equivalent to 42 /8s, 156 /16s and 5 /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:                  130307
    Total LACNIC prefixes after maximum aggregation:              28941
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         129016
    Unique aggregates announced from the LACNIC address blocks:   49504
LACNIC Region origin ASes present in the Internet Routing Table:  11078
    LACNIC Prefixes per ASN:                                      11.65
LACNIC Region origin ASes announcing only one prefix:              2251
LACNIC Region transit ASes present in the Internet Routing Table:  2431
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8925
Number of LACNIC addresses announced to Internet:             177523808
    Equivalent to 10 /8s, 148 /16s and 204 /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:                  34220
    Total AfriNIC prefixes after maximum aggregation:              6171
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         45350
    Unique aggregates announced from the AfriNIC address blocks:  13439
AfriNIC Region origin ASes present in the Internet Routing Table:  1831
    AfriNIC Prefixes per ASN:                                     24.77
AfriNIC Region origin ASes announcing only one prefix:              609
AfriNIC Region transit ASes present in the Internet Routing Table:  354
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1190
Number of AfriNIC addresses announced to Internet:            106467072
    Equivalent to 6 /8s, 88 /16s and 143 /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        9819       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5652        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4575        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3840       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3609       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3513        495     253  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3287       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2753        863     363  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2505      11259     578  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        9692      11329    3356  AMAZON-02, US
   174        5033       6644     677  COGENT-174, US
 22773        5017       3079     304  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4578        304     643  CABLEONE, US
  7155        4185        288      97  VIASAT-SP-BACKBONE, US
  6327        3597       1320      75  SHAW, CA
 16625        3227       1400    2303  AKAMAI-AS, US
   749        3200      54920    2452  DNIC-AS-00749, US
   367        2924       3649    1406  DNIC-ASBLK-00306-00371, US
396982        2756       3638     405  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        9008       1212    2341  TTNET, TR
 12479        7610       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3935       3396     150  AKAMAI-ASN1, NL
  9009        3275        284    1597  M247, RO
 12389        2988       2304     905  ROSTELECOM-AS, RU
  8551        2651        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2504        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2461       1852      14  TE-AS TE-AS, EG
 34984        2394        366     582  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       12568       3377     501  UNINET, MX
 10620        3525        496     891  Telmex Colombia S.A., CO
 13999        2505        339     652  Mega Cable, S.A. de C.V., MX
 11830        2001        369      64  Instituto Costarricense de Electricidad
 28573        1343       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1208        349     490  Axtel, S.A.B. de C.V., MX
 11664        1143        179     424  Techtel LMDS Comunicaciones Interactiva
 26615        1117       2504      60  TIM SA, BR
 28202        1105         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      40  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1520        389      20  LINKdotNET-AS, EG
 36992        1368       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1172         75      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         557         82       3  KENET-AS, KE
  6713         553       1861      34  IAM-AS, MA
 15399         524         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       12568       3377     501  UNINET, MX
  9808        9819       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9692      11329    3356  AMAZON-02, US
 47331        9008       1212    2341  TTNET, TR
 12479        7610       1714     147  UNI2-AS, ES
  7545        5652        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5033       6644     677  COGENT-174, US
 22773        5017       3079     304  ASN-CXA-ALL-CCI-22773-RDC, US
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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        9819         9762  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7610         7463  UNI2-AS, ES
 47331        9008         6667  TTNET, TR
 16509        9692         6336  AMAZON-02, US
  7545        5652         4979  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004         4929  ERX-CERNET-BKB China Education and Research Net
 22773        5017         4713  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4575         4550  FPT-AS-AP FPT Telecom Company, VN
   174        5033         4356  COGENT-174, 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
     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            46887  CROWNCASTLE-AS46887, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, 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
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     60539  HUICAST_TELECOM, HK
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      /10:37      /11:98      /12:302     
/13:580     /14:1209    /15:2136    /16:13533   /17:8460    /18:14215   
/19:25342   /20:45552   /21:53805   /22:114553  /23:106944  /24:600028  
/25:1113    /26:1056    /27:1510    /28:160     /29:261     /30:91      
/31:109     /32:608     

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

   ASN  No of nets  Total ann.  Description
 47331        8125        9008  TTNET, TR
 12479        6724        7610  UNI2-AS, ES
  8151        6484       12568  UNINET, MX
 22773        4049        5017  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3491        4578  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3394        3597  SHAW, CA
  7155        3129        4185  VIASAT-SP-BACKBONE, US
 30036        2161        2505  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2131        3525  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)
----------------------------------------------

   1:2304      2:1653      3:311       4:22        5:4702      6:162    
   7:6         8:1631      9:2        11:177      12:1472     13:380    
  14:2449     15:312      16:208      17:374      18:746      20:377    
  21:4        22:188      23:6676     24:3162     25:2        27:2710   
  29:19       31:2820     32:62       34:46       35:125      36:2218   
  37:4644     38:8522     39:901      40:140      41:4645     42:2217   
  43:2387     44:324      45:17774    46:4481     47:301      49:1934   
  50:1935     51:576      52:1620     54:311      55:884      56:5      
  57:163      58:2114     59:1204     60:1023     61:2767     62:2847   
  63:1942     64:5737     65:2365     66:4863     67:3136     68:1598   
  69:4110     70:1513     71:582      72:3037     74:2618     75:1587   
  76:635      77:2535     78:4152     79:2506     80:2188     81:2182   
  82:1576     83:1334     84:1664     85:4035     86:933      87:2272   
  88:3019     89:4163     90:682      91:8154     92:2270     93:2657   
  94:3817     95:5348     96:1302     97:313      98:1098     99:739    
 100:111     101:1188    102:3546    103:32972   104:4795    105:2065   
 106:1003    107:2778    108:1141    109:4130    110:2175    111:3221   
 112:2092    113:1788    114:1792    115:2173    116:1916    117:2624   
 118:2842    119:2028    120:1815    121:1362    122:2825    123:2270   
 124:1682    125:2879    126:28      128:1541    129:1025    130:1138   
 131:1922    132:928     133:410     134:1714    135:355     136:945    
 137:1073    138:3024    139:1585    140:1381    141:1369    142:1591   
 143:1571    144:1026    145:342     146:2062    147:1730    148:2529   
 149:2604    150:1101    151:1347    152:1990    153:595     154:6142   
 155:1377    156:2282    157:1653    158:1105    159:2252    160:2691   
 161:1660    162:3641    163:1737    164:1695    165:2180    166:1079   
 167:1734    168:4124    169:823     170:4984    171:1020    172:3855   
 173:3078    174:935     175:1257    176:3829    177:5346    178:3721   
 179:2510    180:2468    181:3786    182:3417    183:2039    184:2282   
 185:20984   186:5290    187:4840    188:4236    189:4398    190:9516   
 191:1904    192:11011   193:9108    194:7626    195:5450    196:3680   
 197:2955    198:6082    199:7488    200:8429    201:6440    202:10825  
 203:10599   204:4639    205:3762    206:4564    207:3599    208:4211   
 209:5096    210:4792    211:2609    212:4443    213:3562    214:1106   
 215:44      216:6883    217:3052    218:1386    219:607     220:2125   
 221:1028    222:879     223:2238   

End of report


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