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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Dec 24 22:41:22 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 24 Dec, 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:                              987100
    Prefixes after maximum aggregation (per Origin AS):          363247
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      456086
Total ASes present in the Internet Routing Table:                 75381
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64723
Origin ASes announcing only one prefix:                           25992
Transit ASes present in the Internet Routing Table:               10658
Transit-only ASes present in the Internet Routing Table:            475
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      54
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1232
    Number of instances of unregistered ASNs:                      1234
Number of 32-bit ASNs allocated by the RIRs:                      43270
Number of 32-bit ASNs visible in the Routing Table:               35679
Prefixes from 32-bit ASNs in the Routing Table:                  186948
Number of bogon 32-bit ASNs visible in the Routing Table:           178
Special use prefixes present in the Routing Table:                   30
Prefixes being announced from unallocated address space:            587
Number of addresses announced to Internet:                   3049416990
    Equivalent to 181 /8s, 194 /16s and 105 /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:      339407

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

Prefixes being announced by APNIC Region ASes:                   257865
    Total APNIC prefixes after maximum aggregation:               73064
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          250710
    Unique aggregates announced from the APNIC address blocks:    99753
APNIC Region origin ASes present in the Internet Routing Table:   13925
    APNIC Prefixes per ASN:                                       18.00
APNIC Region origin ASes announcing only one prefix:               4136
APNIC Region transit ASes present in the Internet Routing Table:   1877
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9249
Number of APNIC addresses announced to Internet:              771599776
    Equivalent to 45 /8s, 253 /16s and 173 /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:                    282430
    Total ARIN prefixes after maximum aggregation:               126211
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286827
    Unique aggregates announced from the ARIN address blocks:    132765
ARIN Region origin ASes present in the Internet Routing Table:    19097
    ARIN Prefixes per ASN:                                        15.02
ARIN Region origin ASes announcing only one prefix:                6920
ARIN Region transit ASes present in the Internet Routing Table:    1914
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4832
Number of ARIN addresses announced to Internet:              1276342848
    Equivalent to 76 /8s, 19 /16s and 114 /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:                    282005
    Total RIPE prefixes after maximum aggregation:               128163
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275757
    Unique aggregates announced from the RIPE address blocks:    160957
RIPE Region origin ASes present in the Internet Routing Table:    28586
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12084
RIPE Region transit ASes present in the Internet Routing Table:    3965
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          37
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11525
Number of RIPE addresses announced to Internet:               714767582
    Equivalent to 42 /8s, 154 /16s and 124 /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:                  129536
    Total LACNIC prefixes after maximum aggregation:              28941
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         128530
    Unique aggregates announced from the LACNIC address blocks:   49390
LACNIC Region origin ASes present in the Internet Routing Table:  11058
    LACNIC Prefixes per ASN:                                      11.62
LACNIC Region origin ASes announcing only one prefix:              2253
LACNIC Region transit ASes present in the Internet Routing Table:  2386
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        54
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8907
Number of LACNIC addresses announced to Internet:             178441312
    Equivalent to 10 /8s, 162 /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:                  34032
    Total AfriNIC prefixes after maximum aggregation:              6083
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44688
    Unique aggregates announced from the AfriNIC address blocks:  12729
AfriNIC Region origin ASes present in the Internet Routing Table:  1825
    AfriNIC Prefixes per ASN:                                     24.49
AfriNIC Region origin ASes announcing only one prefix:              599
AfriNIC Region transit ASes present in the Internet Routing Table:  349
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1166
Number of AfriNIC addresses announced to Internet:            107952384
    Equivalent to 6 /8s, 111 /16s and 57 /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        9798       8738      50  CHINAMOBILE-CN China Mobile Communicati
  7545        5674        784     686  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5027       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4535        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3841       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3603       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3408        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3358       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2682      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2658        856     374  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        9470      11201    3353  AMAZON-02, US
 11492        4562        303     680  CABLEONE, US
  7155        4182        289      98  VIASAT-SP-BACKBONE, US
   174        4026       6658     654  COGENT-174, US
 22773        3611       3077     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3567       1320      69  SHAW, CA
 16625        3234       1432    2349  AKAMAI-AS, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2971       3855    1415  DNIC-ASBLK-00306-00371, US
396982        2741       3639     386  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        8842       1202    2654  TTNET, TR
 12479        7585       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4066       3398     167  AKAMAI-ASN1, NL
  9009        3505        301    1640  M247, RO
  8551        3364        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3020       2300     911  ROSTELECOM-AS, RU
  5384        2506        585      30  EMIRATES-INTERNET Emirates Internet, AE
 34984        2375        363     586  TELLCOM-AS, TR
  8452        2374       1852      14  TE-AS TE-AS, EG

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       12167       3382     601  UNINET, MX
 10620        3519        497     886  Telmex Colombia S.A., CO
 13999        2493        339     636  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1346       2319     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1307        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1245        341     503  Axtel, S.A.B. de C.V., MX
 28202        1103         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1098        177     429  Techtel LMDS Comunicaciones Interactiva
  6147        1087        369      22  Telefonica del Peru S.A.A., PE

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        1625        316      43  Telkom-Internet, ZA
 24863        1588        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1053         68      50  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         538         82       3  KENET-AS, KE
 15399         531         55      52  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       12167       3382     601  UNINET, MX
  9808        9798       8738      50  CHINAMOBILE-CN China Mobile Communicati
 16509        9470      11201    3353  AMAZON-02, US
 47331        8842       1202    2654  TTNET, TR
 12479        7585       1714     146  UNI2-AS, ES
  7545        5674        784     686  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5027       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4562        303     680  CABLEONE, US
 18403        4535        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        9798         9748  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7585         7439  UNI2-AS, ES
 47331        8842         6188  TTNET, TR
 16509        9470         6117  AMAZON-02, US
  7545        5674         4988  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5027         4952  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4535         4510  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4084  VIASAT-SP-BACKBONE, US
 20940        4066         3899  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               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  LIGHTOWER, 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
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             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
100.66.10.0/24            65534  -Private Use AS-, ZZ
100.70.8.0/24               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
23.176.160.0/24      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
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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     
/13:583     /14:1209    /15:2136    /16:13589   /17:8512    /18:14226   
/19:25691   /20:45660   /21:54405   /22:114458  /23:107469  /24:593776  
/25:1127    /26:1073    /27:1503    /28:164     /29:242     /30:80      
/31:82      /32:647     

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

   ASN  No of nets  Total ann.  Description
 47331        7950        8842  TTNET, TR
 12479        6673        7585  UNI2-AS, ES
  8151        6168       12167  UNINET, MX
 11492        3476        4562  CABLEONE, US
  6327        3371        3567  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3125        4182  VIASAT-SP-BACKBONE, US
  8551        2841        3364  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2651        3611  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2130        2473  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2317      2:1579      3:283       4:8         5:4601      6:163    
   7:6         8:1612      9:1        11:172      12:1494     13:375    
  14:2394     15:309      16:206      17:369      18:710      20:362    
  21:4        22:188      23:6614     24:3013     25:2        27:2651   
  29:19       31:2715     32:74       34:37       35:121      36:2125   
  37:4648     38:6905     39:889      40:148      41:4689     42:2201   
  43:2388     44:332      45:17558    46:4586     47:304      49:1916   
  50:1911     51:577      52:1628     54:377      55:886      56:5      
  57:138      58:2005     59:1193     60:1013     61:2758     62:2880   
  63:1946     64:5714     65:2387     66:5162     67:3123     68:1356   
  69:4107     70:1382     71:618      72:3017     74:2673     75:1598   
  76:630      77:2472     78:4113     79:3054     80:2173     81:2107   
  82:1600     83:1401     84:1641     85:3867     86:893      87:2255   
  88:2967     89:4115     90:662      91:8068     92:2262     93:2671   
  94:3815     95:5244     96:1334     97:317      98:1039     99:745    
 100:121     101:1167    102:3490    103:32960   104:4826    105:2029   
 106:988     107:2785    108:1155    109:4257    110:2173    111:3192   
 112:2106    113:1737    114:1757    115:2106    116:2005    117:2586   
 118:2787    119:2017    120:1813    121:1323    122:2785    123:2251   
 124:1671    125:2814    128:1585    129:1008    130:1113    131:2070   
 132:984     133:411     134:1716    135:335     136:920     137:1052   
 138:2909    139:1572    140:1348    141:1359    142:1582    143:1596   
 144:1006    145:339     146:2050    147:1662    148:2519    149:2465   
 150:1032    151:1332    152:1978    153:599     154:5747    155:1381   
 156:2154    157:1401    158:1092    159:2218    160:2707    161:1643   
 162:3638    163:1656    164:1695    165:1919    166:1086    167:1761   
 168:4023    169:817     170:4944    171:1001    172:3785    173:3060   
 174:901     175:1257    176:3754    177:5545    178:3684    179:2501   
 180:2441    181:3731    182:3420    183:2051    184:2287    185:20851  
 186:5156    187:4748    188:4278    189:4294    190:9657    191:1956   
 192:11069   193:9046    194:7577    195:5486    196:3652    197:2923   
 198:6068    199:6879    200:8500    201:6375    202:10954   203:10515  
 204:4661    205:3712    206:4531    207:3563    208:4152    209:5005   
 210:4724    211:2602    212:4351    213:3530    214:1117    215:49     
 216:6903    217:3030    218:1348    219:614     220:2035    221:1025   
 222:882     223:2228   

End of report


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