[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 14 22:42:08 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 14 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:                              982948
    Prefixes after maximum aggregation (per Origin AS):          361409
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454625
Total ASes present in the Internet Routing Table:                 75257
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           64595
Origin ASes announcing only one prefix:                           25923
Transit ASes present in the Internet Routing Table:               10662
Transit-only ASes present in the Internet Routing Table:            489
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:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1276
    Number of instances of unregistered ASNs:                      1282
Number of 32-bit ASNs allocated by the RIRs:                      43047
Number of 32-bit ASNs visible in the Routing Table:               35466
Prefixes from 32-bit ASNs in the Routing Table:                  185185
Number of bogon 32-bit ASNs visible in the Routing Table:           197
Special use prefixes present in the Routing Table:                   33
Prefixes being announced from unallocated address space:            591
Number of addresses announced to Internet:                   3052341533
    Equivalent to 181 /8s, 239 /16s and 9 /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:      338526

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

Prefixes being announced by APNIC Region ASes:                   255950
    Total APNIC prefixes after maximum aggregation:               72239
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          248967
    Unique aggregates announced from the APNIC address blocks:    98971
APNIC Region origin ASes present in the Internet Routing Table:   13815
    APNIC Prefixes per ASN:                                       18.02
APNIC Region origin ASes announcing only one prefix:               4092
APNIC Region transit ASes present in the Internet Routing Table:   1857
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9124
Number of APNIC addresses announced to Internet:              772715680
    Equivalent to 46 /8s, 14 /16s and 180 /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:                    281731
    Total ARIN prefixes after maximum aggregation:               125849
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285915
    Unique aggregates announced from the ARIN address blocks:    132316
ARIN Region origin ASes present in the Internet Routing Table:    19100
    ARIN Prefixes per ASN:                                        14.97
ARIN Region origin ASes announcing only one prefix:                6929
ARIN Region transit ASes present in the Internet Routing Table:    1926
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4831
Number of ARIN addresses announced to Internet:              1277522752
    Equivalent to 76 /8s, 37 /16s and 115 /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:                    281313
    Total RIPE prefixes after maximum aggregation:               127718
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275023
    Unique aggregates announced from the RIPE address blocks:    160721
RIPE Region origin ASes present in the Internet Routing Table:    28565
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12060
RIPE Region transit ASes present in the Internet Routing Table:    3961
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11482
Number of RIPE addresses announced to Internet:               715512029
    Equivalent to 42 /8s, 165 /16s and 216 /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:                  128598
    Total LACNIC prefixes after maximum aggregation:              28730
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         127744
    Unique aggregates announced from the LACNIC address blocks:   49310
LACNIC Region origin ASes present in the Internet Routing Table:  11058
    LACNIC Prefixes per ASN:                                      11.55
LACNIC Region origin ASes announcing only one prefix:              2263
LACNIC Region transit ASes present in the Internet Routing Table:  2380
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:  8879
Number of LACNIC addresses announced to Internet:             178463584
    Equivalent to 10 /8s, 163 /16s and 35 /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:                  34080
    Total AfriNIC prefixes after maximum aggregation:              6091
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         44707
    Unique aggregates announced from the AfriNIC address blocks:  12805
AfriNIC Region origin ASes present in the Internet Routing Table:  1811
    AfriNIC Prefixes per ASN:                                     24.69
AfriNIC Region origin ASes announcing only one prefix:              579
AfriNIC Region transit ASes present in the Internet Routing Table:  343
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1150
Number of AfriNIC addresses announced to Internet:            107683328
    Equivalent to 6 /8s, 107 /16s and 30 /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        9744       8730      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5704        786     693  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4988       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4252        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3828       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3604       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3263       1872      99  VNPT-AS-VN VNPT Corp, VN
  9498        3252        491     240  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2733      11270     604  KIXS-AS-KR Korea Telecom, KR
 24560        2582        851     375  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        9242      11063    3326  AMAZON-02, US
 11492        4555        302     676  CABLEONE, US
  7155        4182        289     101  VIASAT-SP-BACKBONE, US
   174        3895       6661     629  COGENT-174, US
 22773        3631       3061     305  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3160      54933    2412  DNIC-AS-00749, US
 16625        3145       1401    2316  AKAMAI-AS, US
   367        3041       3874    1438  DNIC-ASBLK-00306-00371, US
396982        2720       3626     394  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        8692       1183    2875  TTNET, TR
 12479        7474       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4085       3398     166  AKAMAI-ASN1, NL
  8551        3441        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3435        297    1596  M247, RO
 12389        3005       2296     919  ROSTELECOM-AS, RU
  5384        2497        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2460       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       12114       3378     603  UNINET, MX
 10620        3545        504     860  Telmex Colombia S.A., CO
 13999        2452        335     635  Mega Cable, S.A. de C.V., MX
 11830        2010        369      64  Instituto Costarricense de Electricidad
 28573        1334       2322     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1297        778     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1251        342     506  Axtel, S.A.B. de C.V., MX
  6147        1106        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1070        172     435  Techtel LMDS Comunicaciones Interactiva

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        1612        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         551       1861      34  IAM-AS, MA
 36914         527         82       3  KENET-AS, KE
 15399         520         54      46  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       12114       3378     603  UNINET, MX
  9808        9744       8730      43  CHINAMOBILE-CN China Mobile Communicati
 16509        9242      11063    3326  AMAZON-02, US
 47331        8692       1183    2875  TTNET, TR
 12479        7474       1713     145  UNI2-AS, ES
  7545        5704        786     693  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4988       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4555        302     676  CABLEONE, US
 18403        4252        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        9744         9701  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7474         7329  UNI2-AS, ES
 16509        9242         5916  AMAZON-02, US
 47331        8692         5817  TTNET, TR
  7545        5704         5011  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4988         4913  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4252         4227  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4081  VIASAT-SP-BACKBONE, US
 20940        4085         3919  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            65512  -Private Use AS-, ZZ
     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             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
100.65.7.0/24             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
23.165.72.0/24       Origin:    399226  SPEEDFI, CA
23.165.72.0/24      Transit:      6939  HURRICANE, 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      /11:100     /12:301     
/13:584     /14:1212    /15:2142    /16:13622   /17:8586    /18:14219   
/19:25629   /20:45625   /21:54275   /22:114413  /23:107261  /24:590034  
/25:1124    /26:1086    /27:1497    /28:160     /29:240     /30:79      
/31:76      /32:614     

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

   ASN  No of nets  Total ann.  Description
 47331        7809        8692  TTNET, TR
 12479        6563        7474  UNI2-AS, ES
  8151        6107       12114  UNINET, MX
 11492        3468        4555  CABLEONE, US
  6327        3364        3555  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3127        4182  VIASAT-SP-BACKBONE, US
  8551        2918        3441  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2677        3631  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2134        2479  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2253      2:1607      3:273       4:8         5:4604      6:161    
   7:6         8:1621      9:1        11:172      12:1499     13:362    
  14:2331     15:304      16:201      17:371      18:677      20:338    
  21:4        22:188      23:6566     24:2972     25:2        27:2656   
  29:19       31:2723     32:76       34:32       35:120      36:2045   
  37:4583     38:6702     39:884      40:150      41:4691     42:2076   
  43:2373     44:334      45:17626    46:4554     47:381      49:1874   
  50:1908     51:577      52:1623     54:393      55:883      56:5      
  57:139      58:1965     59:1191     60:1010     61:2749     62:2839   
  63:1906     64:5693     65:2385     66:5166     67:3119     68:1371   
  69:4151     70:1386     71:615      72:3003     74:2676     75:1613   
  76:637      77:2466     78:4067     79:3052     80:2170     81:2093   
  82:1595     83:1377     84:1630     85:3852     86:858      87:2218   
  88:2951     89:4008     90:636      91:8040     92:2221     93:2675   
  94:3763     95:5126     96:1335     97:316      98:1105     99:737    
 100:121     101:1401    102:3428    103:32737   104:4850    105:1999   
 106:987     107:2797    108:1153    109:4307    110:2161    111:3170   
 112:2105    113:1682    114:1719    115:2093    116:1988    117:2565   
 118:2734    119:2009    120:1809    121:1267    122:2762    123:2255   
 124:1654    125:2668    128:1581    129:1007    130:1100    131:2089   
 132:972     133:408     134:1728    135:341     136:920     137:1004   
 138:2887    139:1590    140:1337    141:1337    142:1579    143:1598   
 144:1010    145:342     146:1998    147:1650    148:2490    149:2407   
 150:895     151:1270    152:1983    153:606     154:5613    155:1393   
 156:2176    157:1381    158:1064    159:2212    160:2690    161:1623   
 162:3587    163:1632    164:1727    165:1917    166:1082    167:1767   
 168:4029    169:820     170:4934    171:996     172:3880    173:3028   
 174:962     175:1234    176:3778    177:5487    178:3572    179:2448   
 180:2347    181:3638    182:3384    183:2015    184:2287    185:21019  
 186:5108    187:4646    188:4248    189:4298    190:9557    191:1908   
 192:11050   193:9035    194:7526    195:5387    196:3720    197:2919   
 198:6071    199:6506    200:8336    201:6416    202:10986   203:10481  
 204:4621    205:3720    206:4511    207:3576    208:4156    209:4970   
 210:4628    211:2579    212:4397    213:3521    214:1116    215:71     
 216:6857    217:3038    218:1350    219:611     220:2038    221:1009   
 222:868     223:2213   

End of report


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